If you play this right, Black Friday vacuum deals can save you $200–$500—but only if you know which type you actually need. The wrong pick turns into buyer’s remorse. The right choice means years of easier cleaning. This guide helps you quickly find the right vacuum for your home and habits at the best price. When Do These Black Friday Deals Go Live? Most Black Friday vacuum deals will launch from November 21 to 24, 2025. The hottest picks, especially robot vacuums with self-emptying/self-washing docks, often sell out by Thanksgiving weekend. If you already know the model you want, grab it before they're gone. What Are the Best Black Friday Vacuum Deals? The best Black Friday vacuum deals target premium robot, wet-dry, and cordless vacuum cleaner models, often 30–50% off. Prioritize self-emptying docks (robot vacuums) and self-cleaning wet-dry rollers (wet dry vacs). You can expect advanced features like navigation and strong suction at the year’s lowest prices. Find Your Perfect Match: 3 Quick Questions 1. Do you want fully automated daily cleaning?  → Jump to Robot Vacuum Black Friday Deals Set it once and let it run on a schedule. Smart mapping keeps busy households' floors tidy. A self-empty/self-wash dock cuts maintenance to minutes per month, which is clutch for pet hair and mixed floors. With a robot vacuum and mop, you’ll maintain a consistently clean baseline between deep cleans. 2. Do you tackle frequent spills and sticky messes?  → Jump to Wet-Dry Vacuum Black Friday Deals Ideal for kitchens, entryways, kids/pets, sealed hard floors. You can vacuum and mop in one pass to clear crumbs, grease, and dried spills faster than a bucket and mop. Fresh-water cleaning plus self-clean/hot-air dry helps prevent odors and keeps the brush hygienic. 3. Do you need lightweight, versatile spot-cleaning?  → Jump to Cordless Stick Deals Grab-and-go convenience for stairs, cars, couches, and quick crumbs. No setup, no app. You can swap tools, and a light frame makes fast touch-ups easy, especially in small spaces. It’s the easiest way to stay on top of daily dust without a full clean. Your Black Friday Pricing Guide: What to Expect Set realistic expectations before you click “Add to Cart.” These are typical promo ranges for quality models, so you can quickly spot a real deal. Premium Robot Vacuums: $400–$800 (Regularly $800–$1,400) Wet Dry Vacuums: $250–$500 (Regularly $400–$700) Cordless Sticks: $200–$400 (Regularly $350–$600) Actual pricing varies by configuration, dock features, and bundles.  Are you prepared for Black Friday shopping this year? Take a look at these 7 Smart Black Friday Shopping Tips to Get the Best Deals in 2025. Get Ready for Best Robot Vacuum Deals (For Hands-Free Cleaning) If you want floors to look guest-ready every day with minimal effort, robot vacuums and mops are your go-to. Especially those with self-emptying dust bags and self-washing, hot-air-drying mop pads. The best Black Friday values usually bundle premium navigation (LDS + AI obstacle avoidance), mop-lifting for carpets, and powerful suction. Hero Pick: Dreame X50 Ultra [product handle="x50-ultra-robot-vacuum" rating="4.9"] Why it’s compelling: Advanced navigation with mop-lift for rugs, robust suction for daily debris, and a dock that empties, washes, and hot-air dries to reduce maintenance. Who it’s for: Busy homes, pet owners, mixed floors (hardwood + carpet), anyone who wants truly hands-off cleaning. Watch for: Bundle add-ons (extra dust bags/mop pads), extended warranties, and limited-time Early Access pricing. Looking to compare all models, docks, and features? Begin by exploring our detailed robot vacuum buying guide to help you get a better grasp on things. Get Ready for Best Wet-Dry Vacuum Deals (For Tough Messes & Spills) If your reality includes spilled cereal + milk, grease splatters, or sticky tracks by the door, a wet-dry vacuum is the fastest, most satisfying clean on sealed hard floors. It vacuums and washes in one pass, then self-cleans to stay fresh. Hero Pick: Dreame H15 Pro CarpetFlex [product handle="h15-pro-carpetflex-wet-dry-vacuum" rating="4.9"] Why it’s compelling: Strong pickup with a self-clean cycle (hot-wash + hot-air dry), thoughtful edge performance, and a design tuned for streak-free results on tile, vinyl, and sealed wood. Who it’s for: Kitchens, bathrooms, entryways, homes with kids/pets, and anyone who wants to replace mop + bucket. Watch for: Extra cleaning solution bundles, spare rollers/filters, and a runtime of 40 minutes. Looking for other models with edge-to-edge cleaning and self-drying? Explore our complete Wet-Dry Vacuum collection. Get Ready for Best Cordless Stick Deals (For Quick Pickups) Cordless sticks are your grab-and-go cleaners: perfect for stairs, cars, tight spaces, and weekday touch-ups. On Black Friday, look for lightweight frames, high-capacity batteries, and anti-tangle floor heads that shine on daily dust and hair. Hero Pick: Dreame Z30 [product handle="z30-cordless-stick-vacuum" rating="4.9"] Why it’s compelling: Strong suction for its weight class, motorized brush head for carpets, and attachments that make quick work of corners, upholstery, and car seats. Who it’s for: Apartments, multi-story homes, pet owners who need frequent touch-ups, anyone craving light + fast. Watch for: Extra filters and accessory kits at limited-time pricing. How to Choose the Right Vacuum on Black Friday Use this checklist to match your home realities with the right tool—before you chase the deepest discount. Floors & Mess Types Mostly hard floors + spills: Wet-dry vacuum wins. One pass = vacuum + wash. Mixed floors (hard + carpet): Robot vacuum with mop-lift for rugs, plus good suction. Carpeted rooms + quick pickups: Cordless stick with a motorized brush. Daily Time Saved vs Deep-Clean Power Always clean with minimal effort: Robot vacuum —set schedules; let the dock handle upkeep. Deep clean now: Wet-dry—destroys sticky messes and liquid spills in a single routine. Five-minute tidy: Cordless stick—light, fast, and easy to carry. Pets & Allergies Shedding + litter: Robot vacuum and mop for routine; wet-dry for kitchen/bath zones; cordless for couches and corners. Allergies: Seek sealed filtration, dust-bag docks, and odor-control features. Home Layout Lots of thresholds, tracks, or uneven joints: Robot vacuum with threshold-climbing design and smart navigation, or a wet-dry with strong edge cleaning. Tight spaces/stairs: Cordless stick with targeted attachments. Maintenance & Ownership Lowest weekly effort: Robot vacuum with self-empty + self-wash + hot-air dry dock. Simple after-care: Wet-dry vacuum with one-click self-clean for rollers and internal lines. Lowest storage footprint: Slim cordless vacuum with wall dock. Picking the right model is just one part of the process. Make sure to plan your shopping wisely to get your Black Friday orders on time.  Robot vs. Wet-Dry vs. Cordless: Which Do You Need? Pick a Robot Vacuum if you want hands-off cleaning that prevents buildup. It quietly keeps floors presentable, day after day. Pick a Wet-Dry Vacuum if your pain points are sticky spills, grease, and muddy prints. Nothing beats it for hard-floor messes. Pick a Cordless Stick if you need lightweight speed for stairs, cars, and small spaces—and want a cleaner that’s always within reach. Pro move many homes love: Run a robot vacuum daily for maintenance; keep a wet-dry for kitchens/baths and a cordless for fast touch-ups. That combo covers 99% of real-life messes with less effort. Shopping FAQ Where can I find more vacuum Black Friday deals? Start with official brand stores and their Black Friday hubs. You’ll often see exclusive bundles, special offers, and subscriber-only codes. Major retailers also host flash drops throughout the week. Are vacuums cheaper on Black Friday? Typically yes. You’ll see some of the lowest prices of the year—especially on premium robots with docks, wet-dry vacuums with self-cleaning, and cordless sticks bundled with extra batteries or accessories. Black Friday vs. Cyber Monday, what’s better for vacuums? Both are strong. Black Friday usually has the widest selection and bundles; Cyber Monday can bring online-only tech picks and last-chance markdowns. If you’re eyeing a specific model/color, buy during Early Access to avoid sellouts. What vacuum cleaner brands go on sale during Black Friday? Expect promos from many top names, including Dreame, Dyson, iRobot, Roborock, and others. Exact savings vary by model, retailer, and region.

Imagine this: You grab your bag, lock the door, and head out. As your phone’s GPS senses you’ve left, the doors auto-lock, the thermostat lowers, the robot vacuum glides into action, and your air purifier switches on low. By the time you return, your home feels cleaner, fresher, and smarter.  That’s not a future fantasy; it’s what smart home automation makes possible today. This guide shares practical smart home ideas you’ll actually use, explains what systems you’ll need, and gives you a starter checklist to make automation simple in 2025. Smart Home or Home Automation? Before diving in, let’s clear up terms people often confuse. What is smart home automation? It’s the setup of devices, sensors, and apps that automate everyday tasks, like lights turning on at sunset or a vacuum running when you leave home. What is a home automation system? Think of it as the “brain” of your setup. Platforms like Apple Home, Google Home, or Home Assistant connect your devices so they work together seamlessly. Smart home vs. home automation: A “smart home” can simply mean you own gadgets like a smart lock or robot vacuum. “Home automation” goes further; it connects these devices to routines, so they act without you lifting a finger. Why does this distinction matter? Because many people stop at “smart home” by buying single devices. The real benefits (time saved, energy reduced, peace of mind) come when you tie them into automation systems. For example, owning a Dreame robot vacuum is great, but linking it to your “Out-the-Door” routine means it works automatically when you leave the house. That’s where convenience turns into lifestyle change. 10 Smart Home Automation Ideas You’ll Actually Use Here’s where the fun starts: practical automations you can build today. 1. Out-the-Door Routine Trigger: Phone GPS senses you’ve left home. Actions: Doors lock, security activates, thermostat lowers, robot vacuum runs in Quiet Mode, and air purifier switches to low. Benefit: Come back to a secure, fresh, and clean home. If you often forget lights, add smart switches to this routine. They’ll shut off automatically, saving both energy and money. Pro-tip Try pairing this with the Dreame L40s Ultra, which can vacuum and mop automatically when you’re away. 2. Doorbell Moments Trigger: Someone rings your doorbell. Actions: Porch lights turn on, your TV shows a snapshot, and your speakers chime. Benefit: You instantly know who’s at the door without scrambling. Pro-tip An enhancement idea would be connecting this to a smart lock so you can remotely unlock the door for a delivery or trusted visitor. 3. Air-Quality Guard Trigger: Sensor detects high PM2.5 or VOCs. Actions: Air purifier boosts and phone alert sent. Benefit: Breathe healthier air right away. Pairing air-quality data with a Dreame air purifier means you don’t just guess your air is better; you’ll see numbers drop in real time. That’s peace of mind for allergy sufferers and families with kids. 4. Kitchen Night Reset Trigger: 11:00 PM. Actions: Lights dim, your robot vacuum makes a quick pass, and air purifier runs for 30 minutes. Benefit: Wake up to crumb-free floors and a fresh-smelling space. Want to level up? Add a smart plug for your dishwasher so it runs during off-peak energy hours, saving money. 5. Gentle Wake Trigger: Sunrise + workday calendar. Actions: Lights warm up, thermostat preheats, coffee machine turns on, and purifier refreshes the air. Benefit: Easier mornings that feel natural. This routine can also sync with your sleep tracker to ensure the wake-up process starts at the lightest phase of your sleep cycle, making mornings even smoother. 6. Cleaning Day Trigger: Saturday at 10:00 AM. Actions: Robot vacuum on high suction + mop, laundry starts, vacuum pauses if motion is detected. Benefit: Chores run themselves while you relax. Check out Dreame’s guide on smart vacuums to learn how they can transform your routine. Pro Tip: If you have pets, schedule this for when you take them for a walk. That way, cleaning happens without scaring them. 7. Kids’ Homework Mode Trigger: After school, kids in the living room. Actions: TV turns off, lights brighten, and purifier goes into Quiet Mode. Benefit: Fewer distractions, cleaner air for focus. You can also restrict internet access to gaming consoles during “Homework Mode” for maximum productivity. 8. Pet Comfort Trigger: Hot day and indoor temperature rises. Actions: Fan switches on, purifier on medium, and robot vacuum avoids pet zones. Benefit: Pets stay cool, calm, and unstressed. For even more comfort, connect an indoor camera so you can check on your pet when you’re away. Peace of mind and happy pets. 9. Movie Nights Trigger: TV turns on after 7 PM. Actions: Lights dim, shades lower, and purifier goes into Quiet Mode. Benefit: Instant cinema vibe in your living room. Enhance the vibe by syncing smart bulbs with the movie soundtrack. The immersive lighting will turn your living room into a theater. 10. Leak & Freeze Sentinel Trigger: Water leak sensor or pipe freeze alert. Actions: Water valve shuts, lights flash blue, and phone receives alert and snapshot. Benefit: Prevent damage before it starts. Some insurers offer discounts for leak detection systems. Check with your provider to see if you qualify. How to Set Up a Smart Home in 5 Steps Smart homes don’t need to be complicated. Start simple: Pick your “brain”: Begin with Apple, Google, or Alexa. Add Home Assistant if you want advanced control. Map one daily routine: Choose morning, bedtime, or away mode. Buy a minimal kit: Don’t splurge. Just start with locks, sensors, and one robot vacuum. Name devices clearly: Use room-based names (e.g., “Kitchen Light”), not brands. Get your Wi-Fi right: Place your router well and use a guest network for smart devices. Mistake to avoid: Buying 20 gadgets at once. Start with 2–3, build routines, and expand gradually. This keeps costs low and avoids setup frustration. Platforms & Apps You’ll Need Apple Home, Google Home, Alexa → Best for voice control and family adoption. Home Assistant → Open-source, powerful, and customizable. IFTTT → Great for connecting apps and devices. Many Dreame devices already integrate with Alexa and Google, meaning you can add vacuuming or air purifying to existing routines without extra apps. How Does Smart Home Automation Work? Smart devices communicate using protocols like Wi-Fi, Zigbee, Z-Wave, and Matter. Pro-tip Choose products that support Matter, the new industry standard designed to make cross-brand setups easier. Dreame devices are Matter-compatible, meaning they work smoothly across ecosystems. Example: Your Zigbee sensor detects movement → it signals your Matter-enabled hub → the Dreame robot vacuum starts cleaning. This chain reaction is what makes automation seamless, and choosing Matter means fewer headaches when adding new devices. Shortlist (Buy These First, Not Everything) Building a smart home doesn’t mean buying every gadget on the market. Start with a few essentials that give you the biggest impact and expand from there. Smart switches and bulbs (lighting is your daily win) Multi-sensors (motion, temperature, humidity, and light) Smart lock and doorbell Robot vacuum (for automated cleaning) Air purifier One bridge (if needed) Check out Dreame’s article on home robots for more innovative devices worth exploring. Privacy & Security Tips for Your Smart Home Keeping your data safe matters as much as convenience. Use a guest network for smart devices. Prefer local control where possible. Keep firmware updated. Limit camera placement and use privacy shutters. Also consider two-factor authentication for smart apps. Hackers rarely target smart homes, but adding this layer ensures your system remains yours alone. FAQs About Smart Homes Are smart homes a good idea? Yes, when set up thoughtfully. They save time, boost security, and cut energy bills. Why may smart homes be a bad idea? They can feel complex and raise privacy concerns. But with local-first setups and careful device choice, risks are manageable. What is the best-rated open-source home automation software? There’s no single “best,” but Home Assistant is popular for advanced control. OpenHAB and Domoticz are also options. Choose one that fits your comfort level. Do smart homes use more electricity? Most smart devices are energy-efficient, and automations (like turning lights off automatically) usually save more energy than they consume. Final Thoughts Smart homes aren’t about showing off gadgets; they’re about making life easier. With simple automations like out-the-door routines, bedtime resets, or cleaning days, you’ll save time and enjoy a fresher, safer space. If you’re starting your journey, keep it simple, choose Matter-compatible devices, and let products like Dreame robot vacuums handle the daily cleaning chores. A smarter home in 2025 doesn’t have to be complicated—it just has to work for you.

Dreame L40s Ultra is the latest flagship robot vacuum and mop combo from Dreame, offering top-tier cleaning performance and nearly hands-free maintenance. With a whopping 19,000Pa suction, advanced dual brushes, and an all-in-one self-cleaning base, it promises to tackle the trickiest messes, wet and dry, hidden in hard floor gaps or rugs. On top of the 100% detangling performance, it reaches tight corners using flexible mops and a side brush and clears obstacles up to 1.57in high. In this in-depth review, we’ll examine how the L40s Ultra performs in real homes, its smart navigation and app features, upkeep costs, and whether its premium price is justified for first-time buyers and seasoned smart home enthusiasts alike. Spoiler: if you’ve been dreaming of a powerful, self-cleaning robot vacuum that actually leaves floors spotless, this might be the one. Hald Floors and Carpets Cleaning Mixed floor cleaning is where the Dreame L40s Ultra truly shines. It’s equipped with Dreame’s 6th-gen TurboForce motor delivering up to 19,000Pa of suction – far above most models on the market– yet engineered to operate quietly even at high power. In our tests, this powerful suction translated to outstanding pickup on all surfaces.  On hard floors, the L40s Ultra collected nearly 100% of dust and debris in a single pass, leaving nothing behind even in tile grout lines. Its suction is strong enough to lift heavier particles like cereal and cat litter, and it automatically avoids scattering debris by modulating airflow. Carpet cleaning is equally impressive. On short-pile carpets, the L40s Ultra’s HyperStream™ Detangling DuoBrush system (one bristled roll + one rubber roll) digs deep to extract dirt and debris without tangling. Our tests showed 0 tangles with hair up to 12 in (30 cm). On long-pile carpets, switching to “Intensive Carpet Cleaning” mode slows the robot for a double pass, delivering thorough debris removal. In our tests, a medium-pile carpet came out visibly refreshed, with 99.99% of embedded hair removed. Edge and corner cleaning is another area where Dreame’s design shows its smarts. The L40s Ultra features Dual Flex Arm Technology, which basically lets it extend its side brush and mop pads outward to reach into corners and along wall edges that many round robots miss. The side brush sweeps debris out of corners effectively as the robot approaches edges head-on. Simultaneously, the two round mop pads can swing slightly beyond the chassis, so even wet scrubbing reaches baseboard edges. The result is minimal debris line left along walls – in our tests, the L40s Ultra picked up over 95% of dust in edges, a noticeable improvement over standard models with fixed brushes. Brushes & Mopping System Dreame includes all the necessary tools on the L40s Ultra for multi-surface cleaning. The main brush assembly is a dual roller (HyperStream DuoBrush) that actively prevents hair wrap. One roller has soft bristles ideal for hard floor crevices, and the other is a TPU rubber brush that excels on carpet – together they cover all floor types with low noise. For dry vacuuming, the side brush sweeps dirt into the suction path. When mopping, the L40s Ultra uses two spinning mop pads that press down on the floor to scrub away dried stains. These mop pads automatically lift 0.41 in (10.5 mm)  off the ground on carpets so your rugs stay dry. If you’re tackling a wet spill on hard floor, you can remove or disable the pads and let the vacuum’s brush do its work – the robot will lift its side brush out of the way to keep it dry and free of gunk. This separated wet/dry approach (vacuum-only vs. mop-only mode) is a thoughtful touch that protects the machine and your floors. We compiled a quick overview of how the L40s Ultra performed across different scenarios: Surface Mode Brush/Mop Used Result (Pickup/Cleanliness) Hard floors Standard suction DuoBrush + side brush ~100% of dust and crumbs removed → no scattering. Sparkling finish with mopping. Short-pile carpet Auto Boost + Mop Lift DuoBrush (bristles + rubber), mop lifted Deep clean, dirt and pet hair fully extracted. No dampness on carpet thanks to 0.41 in mop lift. Long-pile carpet Intensive Carpet Mode DuoBrush (mop removed) Excellent debris pickup. Recommended to detach mops to ensure thorough vacuuming. Edges & corners Edge mode SideReach™ extending side brush, mop extend Nearly all debris in corners captured. Minimal residue along baseboards. Wet spill on tile Mop-only mode Twin spinning mops (167°F hot water) Sticky dried spill completely scrubbed off. No brush contamination (side brush lifted). Bath rugs / entrance mats Vacuum-only or bypass DuoBrush Option to vacuum and remove debris, or skip cleaning to cover more areas quickly. Prevents overwetting and extends mat life. Yoga / play mats No-mop / vacuum-only mode DuoBrush Avoids overwetting to prevent odor/mildew. Maintains mat hygiene without moisture damage. Navigation & Smart Mapping L40s Ultra quickly maps your home using laser mapping (it can save up to 4 floor maps), and it adeptly identifies and navigates around common obstacles like furniture legs, toys, and cords in real time. Navigation is handled by Dreame’s Pathfinder™ LiDAR system, paired with a 3DAdapt™ obstacle avoidance sensor. This model forgoes an RGB camera in favor of a single-laser 3D structured light sensor on the front. This sensor projects infrared light to “see” objects in 3D. In our experience, it works remarkably well: the robot slows down and bypasses shoes, pet bowls, and even stray socks on the floor. You won’t get pet waste recognition without a camera, but the upside is that the L40s Ultra can clean in complete darkness (great for overnight runs) using lasers and IR alone. The accuracy of mapping is excellent: the generated floor plan in the app was precise, allowing us to set reliable no-go zones and room dividers. After the first mapping run, it never mistakenly bumped into marked no-go areas. Threshold Climbing A standout feature is Dreame’s new EasyLeap™ system for obstacle climbing. This robot has 4-wheel drive: two main drive wheels plus two front “auxiliary wheels” shaped like little claws. Working together, these allow the L40s Ultra to climb thresholds up to 1.57 in (40 mm) high – far higher than most robo vacs manage. It handled transitions like thick rug edges and even sliding door tracks without getting stuck. We watched it go over a 0.6in (15mm) tall door saddle effortlessly. If you have raised room dividers or older home layouts, this is a big plus. Maintenance & The Self-Cleaning Dock One of the L40s Ultra’s biggest advantages is its all-in-one “8-in-1” Smart Multifunctional PowerDock™, which handles almost all the dirty work: Automatic dust emptying: After each run, the dock vacuums debris from the robot into a 0.85 gal (3.2 L) bag, good for up to ~100 days. Suction is strong enough to pull fine dust from the filter, and the new dustbin captures 90% more dust per pass than prior models. Emptying is quick (~10s) though loud, and afterwards you simply toss the sealed bag when full. Water refilling & solution mixing: The dock houses two water tanks (1.19 gal clean, 1.06 gal dirty). The dock can refill the robot’s water tank on the fly, so the L40s Ultra mops large areas without stopping for you to manually add water. It also automatically adds floor cleaning solution in measured doses. The solution helps sanitize floors and break down grime. Mop self-washing with Hot Air: After mopping, the L40s Ultra scrubs its pads on a textured AceClean™ DryBoard with 167°F (75°C) water, then pumps waste into the dirty tank, achieving a 99% stain removal rate. An automatic hot-air cycle dries the pads within hours, preventing mildew or odors. Self-maintenance features: Dreame tries to minimize user upkeep. The dock periodically flushes its own pipes and has a scale inhibitor to reduce hard water buildup (useful if you have mineral-rich water). It also supports an optional water line hookup: you can connect the base to your home’s water supply and drain, so it will auto-refill clean water and auto-drain the dirty water without you ever touching the tanks. This kit is sold separately, though, and most people will be fine just refilling the tank every few days.  Are There Any Long-term Costs? Main consumables are the 0.85-gal dust bag, mop pads, and HEPA filter. Bags last about 3 months (3–4 per year) and are inexpensive. Mop pads are washable and can last over a year with heavy use. The HEPA filter can be rinsed but should be replaced annually. Upkeep is modest compared to traditional vac+mop setups, with weekly tasks limited to topping up clean water, adding solution, and emptying the dirty tank. App Experience & Customization The Dreamehome app (available for iOS/Android) is your command center for the L40s Ultra. Setting up the robot via the app was straightforward – you scan a QR code on the unit and it connects to Wi-Fi in seconds. In the app, you can view a live map of your home, split it into individual rooms, and rename those rooms however you like. The level of control and customization is excellent: You can set cleaning schedules (e.g. vacuum the living room and kitchen every morning at 9 AM, mop the foyer every other day in the evening, etc.). The app allows room-specific settings. You can set the L40s Ultra mop the kitchen with high water flow and two-pass scrubbing, while vacuuming the carpeted bedrooms with extra suction but no mopping. No-Go zones. If you have areas you want it to avoid (like pet feeding areas or a cluttered play corner), drawing these on the map is easy and very precise thanks to the accurate mapping. The robot respected these zones perfectly, which is reassuring. Customized cleaning modes. Through the app, you can choose from Quiet, Standard, Strong, and Turbo suction levels, and four mopping modes (from gentle to deep scrub with hot water). There’s even a setting for Intensive Carpet Cleaning (the robot will slow down and do a double vacuum on carpets) and Suction Boost toggle for carpets.  Notifications and alerts: The app will alert you when the dust bag is full or water is low, etc. You also get notified if the robot gets stuck (which, in our case, never happened during testing). The L40s Ultra even uses voice alerts; it speaks in a friendly voice when it starts cleaning, returns to dock, or if it encounters an issue. Integration with smart assistants is supported too; it's compatible with Amazon Alexa, and Google Assistant. The app’s interface is clean and intuitive, a plus for first-time robot owners. Each feature has little info tooltips explaining what it does, which helps in understanding things like “Mop drying time” or “Edge clean” options.  Noise Levels – Quiet or Not? In Quiet mode, we measured the sound at roughly a gentle 55 dB – about the level of a normal conversation in the next room. In this mode, it’s unobtrusive and could run at night if needed (especially since its obstacle avoidance doesn’t need lights). Standard mode bumps it up to around the low 60s dB, still quite tolerable – you’ll know a vacuum is running, but you can watch TV or talk over it.  In Turbo (Max) for deep cleaning, we noted about 70–72 dB right at the vacuum, which is loud but not surprising given the power (a typical upright vacuum is 75+ dB). The robot uses Max power only when necessary (like on carpets or very dirty spots) and for short durations. One nice touch: The dual-brush system runs quietly, avoiding the high-pitched whine common on hard floors. The dock’s dust-emptying is loud (~80 dB) but lasts under 15 seconds, while mop washing/drying are much quieter. You can schedule self-cleaning for when you’re out. In summary, the L40s Ultra is apartment-friendly in terms of noise.  Battery Life On a full charge, the L40s Ultra can clean for up to 220 minutes (over 3.5 hours) in quiet vacuum mode. That means it could vacuum and mop an entire large house (up to ~3,000+ sq ft) on one charge, especially since it returns to base to reload water as needed. Even in a balanced “Standard” mode, expect around 2 to 2.5 hours of runtime, which covers ~1,800 sq ft main level with battery to spare. If you live in a smaller space like an apartment, battery life is a non-issue. For mixed cleaning (vacuuming and mopping with higher suction bursts on carpet), you get around 140–160 minutes per charge, which is still excellent. And if the battery does run low mid-job, the Dreame L40s Ultra will perform “Recharge and Resume”: it drives back to the dock, charges up to an adequate level, then continues cleaning right where it left off.  Charging is 30% faster than previous-gen Dreame models. From empty to full takes roughly 4 hours. Energy efficiency is worth touching on: despite its large battery, the L40s Ultra uses only a few kWh per month—even with daily cleaning and hot drying—adding just $1–$2 to your electric bill. That’s minimal for a device replacing both a vacuum and a mop. Price & Value The Dreame L40s Ultra comes in at a premium price of $1,399.99 MSRP. There’s no sugar-coating that this is a significant investment – it’s in the upper echelon of robot vacuum pricing, on par with other flagship “vacuum and mop with auto-clean dock” models on the market. The question is, do the features and performance justify the cost? [product handle="l40s-ultra-robot-vacuum" rating="4.5"] For tech enthusiasts or those with large homes, the value is definitely there. You are essentially getting several appliances in one: a top-of-the-line vacuum, a floor mopping robot, an automated vacuum dirt bin, a mop washer, and even a part-time air dryer (with the mop drying functionality). If you tried to assemble a similar setup piecemeal, you’d either spend more or end up with a lot more hassle. The L40s Ultra truly takes over the daily floor cleaning routine. There’s a convenience factor here that, once you experience it, is hard to give up. For pet owners and allergy sufferers, the L40s Ultra’s value is even higher. The high suction and tangle-free dual brushes mean it picks up pet hair and dander exceptionally well, and the auto-empty base seals the dust in a bag so it doesn’t puff back into your air. The hot water mop washing also ensures any bacteria from pet messes on the floor are cleaned off the pads hygienically. If you have multiple shedding pets or messy toddlers, this robot can be a game-changer for keeping up with the constant dirt. If you live in a small space or on a tight budget, Dreame offers several models in the L40 lineup that forego some of the luxury features like the mop washing or the extreme suction.  The L40s Ultra is priced competitively for a flagship 2-in-1, often undercutting rivals with less suction or no hot water mopping. Solid build quality, a 3-year US warranty, and all-in-one performance make it a strong long-term value. Value verdict: For those who will utilize its full capabilities, the Dreame L40s Ultra is worth every penny. It’s an investment in a cleaner home and free time gained. Final Verdict The Dreame L40s Ultra is a dream come true for clean floors. It delivers an exceptional blend of raw cleaning power, intelligent features, and true autonomy. After living with it, it’s hard to imagine going back to vacuuming and mopping manually – or even to a simpler robot that still needs frequent intervention. This unit genuinely takes care of itself and keeps your home tidier on a daily basis than most people could manage on their own. It’s particularly well-suited for: Large homes: The huge battery life, fast mapping, and ability to empty and refill itself mean it can handle big cleaning areas, multi-level layouts, and long cleaning sessions with ease. Pet owners: If you have dogs or cats, the L40s Ultra will make your life easier. It handles pet hair without tangling, cleans up tracked litter or kibble, and even mops away paw prints and the occasional accident. Busy families & professionals: Anyone with a hectic schedule will love the “set it and forget it” nature of this robot. Tech aficionados: If you appreciate smart home tech, this robot will satisfy your cravings with its high-end specs and integration options. It’s on the cutting edge. Dreame set out to build an ultimate robot vacuum and mop, and they pretty much nailed it. Pros & Cons  To wrap up, here’s a quick summary of the L40s Ultra’s strengths and areas for improvement: Pros Exceptional cleaning power Over 3 months hands-free maintenance Smart mapping and multi-floor memory Great for carpets and pets 3-year warranty Cons Premium price Larger dock size No onboard camera A slight learning curve At the end of the day, the Dreame L40s Ultra fulfills the promise of a nearly fully autonomous floor cleaning robot. It vacuums, it mops, it cleans its own mop, empties its own dustbin, and navigates adeptly around your home. For those who demand the best and want to delegate the drudgery of cleaning, the L40s Ultra is a fantastic choice. We highly recommend it for its target users – it may very well be the robot vacuum and mop that sets the bar for 2025. Ready to upgrade your cleaning routine? You can learn more or purchase the Dreame L40s Ultra on the official product page – your future spotless floors will thank you! FAQ: Dreame L40s Ultra Robot Vacuum and Mop Q: Is the Dreame L40s Ultra worth it? A: Yes, if you want hands-free cleaning. It vacuums, mops, empties dust, and washes its mop automatically. For small homes or lower budgets, cheaper Dreame models are fine, but the L40s Ultra’s powerful suction, auto-emptying, mop washing, and premium build justify the cost. Q: How well does the L40s Ultra handle pet hair and messes? A: Excellent. Dual brush rolls remove hair without tangling (lab tests: 100% removal, no clogs). Strong suction handles cat litter or kibble, hot-water mopping tackles accidents, and the dock seals hair/dander in a dust bag for allergy relief. Q: Does it work well on carpets and rugs? A: Yes. Ultrasonic sensors detect carpets and boost suction to 19 kPa. Mop pads lift 10.5 mm to avoid wetting, and it cleans low- to medium-pile rugs effectively. For high-pile rugs, remove mop pads or set “vacuum only” zones. Q: What maintenance is needed? A: Refill clean water and empty dirty water weekly. Replace dust bag every ~3 months, clean filters and mop pads when prompted, and wipe sensors/check brushes monthly. Hair rarely tangles, but Dreame includes a cleaning tool for threads. Q: Does the Dreame L40s Ultra integrate with smart home systems? A: Yes, it supports third-party voice control and smart integrations. It's compatible with Alexa, Google Assistant, and Siri Shortcuts for voice control. The Dreamehome app provides full control and cleaning notifications.Overall, it plays nicely with a connected home but doesn’t require it – you can always control it via the app or the button on the unit itself if you’re not into voice commands.

If you want spotless floors without lifting a finger, Dreame’s L40 family delivers. All four models vacuum and mop in a single pass, auto-lift mops on rugs, boost suction on carpets, and self-maintain at the dock—so you spend more time relaxing and less time cleaning. The core experience is shared, with changes in power, obstacle smarts, brushes, and price.Below, we break down how they’re alike, where they differ, and which one fits your home best. In a Nutshell  Dreame’s L40 series offers four closely related robot vacuums with all-in-one cleaning docks.  L40 Ultra – The original “Ultra” experience: fully automated cleaning with 11,000 Pa suction, RGB AI + 3D structured-light obstacle avoidance, and hot-water mop pad washing (~65 °C / 149 °F). A strong value when discounted. L40s Ultra – Performance leader with 19,000 Pa suction, HyperStream™ DuoBrush dual-roller system (excellent anti-tangle and pickup), EasyLeap threshold climbing up to 1.57″ (40 mm), and hotter mop washing (~75 °C / 167 °F). L40s Ultra AE (AI Edition) – Same 19,000 Pa suction as L40s Ultra, adds AI camera for smarter obstacle avoidance. Includes a liftable rubber main brush and a TriCut hair-cutting brush—ideal for homes with pets and kids. L40s Ultra CE (Compact Edition) – Budget-minded pick with 13,000 Pa suction and depth-only avoidance (no camera). Keeps the self-empty, self-wash, and warm-air drying convenience; dock uses cool-water mop washing. Short answer: Want the strongest clean? L40s Ultra. Pets and clutter? L40s Ultra AE. Best budget? L40s Ultra CE. Found a great sale? L40 Ultra still shines. What They Share (Core Experience) Every L40 series robot delivers the fundamentals: Vacuum + mop in one go to finish faster. Automatic mop lifting (~10 mm / ~0.4") on carpet to keep rugs dry. Suction boost on carpet for deeper dust extraction. Self-maintaining dock that empties dust, washes mop pads, and warm-dries them. LDS (LiDAR) mapping for fast, accurate home maps, multi-floor support, and precise no-go/no-mop zones. Dreamehome app to schedule, set room-specific preferences, and control cleaning routines. That means the baseline is already high; your choice is really about how much power, hair-handling, and obstacle intelligence you want. Cleaning Performance Each L40 variant excels at daily cleaning across hardwood, tile, and carpets – but there are subtle differences in their approach and efficiency. Hard Floors All four models are excellent daily cleaners—dust, crumbs, tracked-in dirt, and pet hair disappears quickly. Where you’ll notice the biggest difference is one-pass pickup: L40s Ultra & L40s Ultra AE – 19,000 Pa: The strongest pickup in the lineup. You’ll often get one-pass results even with heavier debris. L40s Ultra CE – 13,000 Pa: Confident everyday cleaning; a slight step down from the 19,000 Pa models but still fast for apartments and medium homes. L40 Ultra – 11,000 Pa: The “earlier-gen” suction—but paired with solid brushwork and boost logic, it handles typical daily debris and pet hair reliably. Hair handling on floors: HyperStream™ DuoBrush (L40s Ultra) uses two counter-rotating rollers to keep constant contact with the floor and move long hair straight into the dust bin—virtually no detangling. TriCut Brush 3.0 (L40s Ultra AE & CE) is a single roller with hair-cutting ridges. It slices long strands as it spins, dramatically reducing wraps. The AE also includes a liftable rubber brush you can swap in as needed. Carpets & Rugs All models detect carpet, lift the mops (10.5 mm / 0.4″), and boost suction. On mid-pile carpet, they pull embedded dust and dander effectively. On thicker carpets, turning on Intensive Clean mode (slow + double pass) helps. Dual-roller advantage (L40s Ultra, and AE when using the rubber brush): Two angles of agitation improve dirt extraction on carpet. Tip: In homes with very plush rugs, consider enabling “avoid carpet while mopping,” then run a separate vacuum pass—this optimizes both tasks. Edges & Corners Robot vacuums traditionally struggle to reach wall edges and corners, but the L40 series has clever solutions. All models have an extendable side brush that swings out to pull in dust from edges, and the L40s Ultra/AE even lift and extend the brush dynamically. In practice, these robotic cleaners get extremely close to baseboards – within 0.03″ / 1 mm.If you often find dust bunnies in room corners, the L40 series will virtually eliminate that issue. Brushes & Attachments L40 Series brush systems differ slightly. Here’s a quick rundown of the cleaning attachments each comes with: HyperStream™ DuoBrush (dual roller): Only on L40s Ultra (base) and also the L50 Ultra in Dreame’s L lineup. Two coordinated rollers tackle everything from fine dust to cereal bits. Anti-tangle by design: long hairs are flung into the bin rather than wrapping. TriCut Brush 3.0 (anti-tangle single brush): Included with L40s Ultra AE and L40s Ultra CE (and optional for L40 Ultra). A single roller with integrated hair-cutting ridges that slice long strands as they spin. AE ships with two main brushes: a liftable rubber brush for all-around use (great for carpets) and a TriCut for hair-prone rooms—swap as needed. Side Brush: All models use one side brush (on the right side) to sweep edges. - Sweeps edges toward the main rollers. On L40s Ultra/AE, it extends/lifts dynamically to keep mopping tidy and avoid tassels. Mops: Each robot has two round spinning mop pads that attach under its belly. These rotate to scrub stains and are automatically cleaned at the base station. Notably, the mop pads on all L40 models can be automatically lifted ~0.41 in (10 mm) when carpet is detected, or you can set the robot to avoid carpets entirely while mopping via the app. Bottom line for hair: Heavy shedders or long hair at home? L40s Ultra’s dual rollers are your low-maintenance favorite. Want flexibility + AI vision? L40s Ultra AE gives you two brushes and the camera-based avoidance that pet owners love.  Feature L40s Ultra L40s Ultra AE L40s Ultra CE L40 Ultra Maximum Suction 19,000 Pa 19,000 Pa 13,000 Pa 11,000 Pa Main Brush Type HyperStream™ Detangling DuoBrush Liftable Rubber Brush & TriCut Brush 3.0 TriCut Brush Rubber Brush Main Brush Lifting / √ √ √ Side Brush Extending √ / / / Side Brush Lifting √ / / / Mop Type Dual Spinning Mops Dual Spinning Mops Dual Spinning Mops Dual Rotary Mops Mop Extending √ √ / √ Mop Lifting 10.5mm (0.41in) 10.5mm (0.41in) 10.5mm (0.41in) 10.5mm (0.41in) Navigation & Mapping All models use LDS (Laser Distance Sensor) for room mapping, fast route planning, and precise no-go/no-mop zones. First-run mapping is fast; subsequent runs are efficient and thorough. Differences emerge in object avoidance: RGB AI + 3D Structured Light (vision + depth) Models: L40 Ultra, L40s Ultra AE What it does: Recognizes small hazards (cords, socks, toys, pet accidents) and routes around them in real time. Extras: The L40 Ultra includes visual dirt detection—it can spot dirty patches and target a “see-and-scrub”. Single-Laser 3D Structured Light (depth-only, no camera) Models: L40s Ultra (base), L40s Ultra CE What it does: Detects and avoids obstacles by shape/depth without identifying them. Works great in low light. Extras: L40s Ultra adds EasyLeap to handle up to ~1.57″ (40 mm) thresholds; CE manages about ~0.87″ (22 mm). Feature L40s Ultra L40s Ultra AE L40s Ultra CE L40 Ultra Navigation LDS LDS LDS LDS Obstacle Avoidance Sinale-Laser 3D Structured Light RGB AI + 3D Structured Light Single-Laser RGB + AI + Single Laser Light Obstacle Crossing 40mm/1.57in (Two Steps), 22mm/0.87in (Single Step), with Auxiliary Wheels 20mm/0.78in 20mm/0.78in 22mm/0.87in If you’ve got pets/kids and lots of floor clutter, go RGB AI + 3D SL (L40 Ultra / L40s Ultra AE). If you prefer no camera but still want smart avoidance, especially for dark runs, choose Single-Laser 3D SL (L40s Ultra / CE). Pro-tip For best results, a little prep helps – e.g. picking up very thin cables or small toys.   Maintenance & Docking The dock is the real game-changer: it empties dust, washes mop pads, and warm-dries them. You’ll handle routine maintenance in minutes per week. Auto-Empty: A 3.2L dust bag can last weeks. Even in a busy home, you’ll likely swap it every 6–8 weeks instead of emptying after every clean. Mop Pad Washing & Drying:  L40s Ultra/AE: Hot wash ~75 °C (167 °F), then warm-air dry—pads stay fresh and ready. L40 Ultra: Hot wash ~65 °C (149 °F) + warm-air dry. CE: Cool-water wash + warm-air dry (simplified, budget-friendly dock). Water Tanks: Around 4.5L clean / 4.0L dirty (model-dependent). Refill/empty about weekly with daily use. Cleaning Solution: L40s Ultra adds auto-dosing (just fill the reservoir and let it meter). Self-Clean & Anti-Scale: The system minimizes buildup; a quick rinse of the tray and an occasional wipe of sensors keeps things pristine. Consumables: Dust bags (affordable), HEPA filters (rinse periodically; replace 6–12 months), mop pads and brushes (months of use). Overall, you get a set-and-forget convenience. Feature L40s Ultra L40s Ultra AE L40s Ultra CE L40 Ultra Auto Water Tank Refilling (from Dock to Robot) √ √ √ √ Clean/Used Water Tank Capacity 1.8 gal / 1.05 gal4.5 L / 4.0 L 1.8 gal / 1.05 gal4.5 L / 4.0 L 1.8 gal / 1.05 gal4.5 L / 4.0 L 1.8 gal / 1.05 gal4.5 L / 4.0 L Washboard Self-Cleaning AceClean DryBoard™ Self-cleaning washboard 2.0 / Self-cleaning washboard 2.0 Mop Hot Water Washing 75°C (167℉) 75°C (167℉) / 65°C (149 °F) Automatic Solution Adding √ √ √ √   Note:  Whichever model you choose, you won’t be touching dirty mop cloths or dumping dustbins daily – the dock does that for you. Just remember to replace that dust bag every couple of months and give the dock a quick check occasionally. App Experience & Customization All L40 models use the Dreamehome app (available for iOS/Android), which is your control center for the robot vacuum. Simple for beginners, deep for power users: Setup & Mapping: Voice-guided onboarding; live 2D map (3D view available); split/merge/name rooms; set virtual walls and no-go/no-mop zones. Schedules & Preferences: Clean specific rooms at set times; pick suction levels (Quiet/Standard/Strong/Turbo) and mop water flow (Low/Med/High) per room. Choose how often pads wash during a run. Carpet Logic: Toggle intensive carpet clean and avoid carpet while mopping. Live Monitoring: Track the robot’s path, battery, and status; use spot-clean on a map tap. Voice Control: Alexa, Google Assistant, and Siri Shortcuts support. Multi-User Support: Share with your family members so they have access to control the robot. Reliability: The app is well-reviewed and updated regularly. If Wi-Fi drops, the robot finishes the job and syncs later. Tip: Spend 10 minutes tailoring room-by-room settings (suction and water flow). The robot will feel custom-made for your home from day one. Noise Levels Running a robot vacuum shouldn’t sound like a jet engine in your home. The L40 series is reasonably quiet given their power, especially in standard modes: Quiet Mode: ~mid 50s to ~60 dB, about the level of a normal conversation. On hard floors, you might barely notice it from the next room. Standard/Auto Mode: low-60s dB, similar to background music or a dishwasher in the next room. It’s unobtrusive enough that you can watch TV or work in the same area. Turbo/Max Mode: ~70–75 dB at brief peaks, expected when suction ramps on carpet. Auto-Empty: A short, louder burst at the dock (about ten seconds). In everyday use, most people run Auto and barely notice it in another room. Battery Life & Efficiency All four use a 5,200mAh battery. Expect 2–3 hours in mixed Auto mode (home-dependent), more in Quiet mode. They recharge and resume to finish very large areas. A typical 3-bedroom space might take 60–80 minutes and ~30–40% battery. Full recharge from near-empty takes ~4 hours, but recharging mid-clean is automated and efficient. In day-to-day use, it’s unlikely you’ll worry about the battery. The cleaning sessions are typically far shorter than the max runtime because the robots finish the job efficiently.  Dreame Take Battery life will not be a bottleneck. Whether you have a small apartment or a large two-story home, the L40 series has the stamina to clean it. Just make sure the dock is plugged in and charging whenever idle, which the app manages automatically. Price & Value With cutting-edge features comes a higher price tag, but Dreame has positioned the L40 family at different price points to suit various budgets: Dreame L40s Ultra: MSRP is ~$1,399. This has every feature maxed out: highest suction, DuoBrush system, 167°F mop cleaning, etc. If you want the absolute best cleaning performance and automation Dreame offers, this model is the top choice. It’s ideal for large households, heavy traffic floors, or if you simply want the newest tech that “just works” with minimal intervention. [product handle="l40s-ultra-robot-vacuum" rating="4.5"] Dreame L40s Ultra AE: MSRP $1,099, currently on promotion. The AE is slightly cheaper than the base L40s because it doesn’t include the dual-roller brush system; instead you get the standard brush plus TriCut (which many users might prefer for its simplicity). What you do get is the advanced AI obstacle avoidance. For pet owners or anyone who worries about things like robot vs. pet accidents, the AE provides peace of mind. It hits a sweet spot – you still get 19 kPa suction and the full-featured dock, making it arguably the best value for most first-time buyers who want high-end features without the absolute top price. [product handle="l40s-ultra-ae-robot-vacuum" rating="5.0"] Dreame L40s Ultra CE: MSRP $899. The CE is the budget-friendly variant, essentially offering the core L40s experience for hundreds less. For small apartments or budget-conscious buyers, the CE delivers tremendous bang for your buck: you still get the self-emptying, self-washing convenience that truly sets these products apart. Who shouldn’t buy CE? Maybe those with lots of carpet (since the lower suction means slightly less deep clean, though still very good) or those who absolutely want the AI obstacle avoidance or hottest mop wash.  Dreame L40 Ultra: Originally $1,299. Former flagship, now often discounted — excellent value if you find a deal. You get hot water mopping, drying, and AI obstacle avoidance at a mid-range price. Its main limitation is the 11 kPa suction and single brush. It’s worth considering as it still outperforms many newer competitors in the $600–800 range.   First-Time Buying a Robot Vacuum? If you’re new to robot vacuums, the choices can be overwhelming. Here’s a quick take – the L40s Ultra AE gives you nearly everything (top suction, smart avoidance, full automation) with fewer compromises. It’s a model that you won’t need to upgrade for a long time. If your budget is tight, the L40s Ultra CE will still blow you away coming from a manual vacuum – just realize it’s 90% of the experience for a lot less money. (For a visual take, check out a YouTube review comparing Dreame L40s Ultra models – the reviewer shows the CE and standard model in action, helping you gauge if the extras are worth it.) Which to Buy? Large homes, mixed floors, lots of thresholds: L40s Ultra (19,000 Pa + DuoBrush + up to 1.57″ climbing) keeps your hands off. Pets, toys on floors, unpredictable obstacles: L40s Ultra AE—AI camera avoidance reduces “rescues,” and you get both TriCut and a liftable rubber brush. Apartment or budget-focused: L40s Ultra CE—core automation for less; great daily cleaning without the camera. Deal hunter or upgrading from an older robot: L40 Ultra—if discounted, you still get AI vision, hot mop wash, and full dock automation. For more, you might read our Robot Vacuum Buying Guide. Additionally, the in-depth X50 Ultra vs X40 Ultra comparison article shows how Dreame’s flagship improvements trickle down – many of which you now find in the L40s series.  Upgrade Guide (L40 Ultra → L40s Ultra or AE) Why upgrade to L40s Ultra? 19,000 Pa suction, DuoBrush, and up to 1.57″ thresholds. If you have lots of hair or carpet, you’ll notice the difference. Why upgrade to L40s Ultra AE? Keep the 19,000 Pa performance but add AI camera obstacle avoidance (great for kids/pets/clutter). Plus, you get two main brushes to swap. If your L40 Ultra is keeping up and you’re happy, you don’t need to upgrade. But if you’re battling long hair or deeper carpet debris, the L40s models are a meaningful step up. Final Verdict You can’t go wrong with any L40 model—the automation is the win. Choose based on power, hair-handling, and avoidance style (camera or depth-only). Best overall performance: L40s Ultra Best for pets/kids & clutter: L40s Ultra AE Best budget value: L40s Ultra CE Great if discounted: L40 Ultra Specs at a Glance Model Suction (Pa) Main Brush Hair Handling Obstacle Avoidance Threshold Climb Mop Lift Mop-Pad Wash Heat Auto-Empty L40 Ultra 11,000 Single rubber (TriCut optional) Strong, occasional manual detangle RGB AI + 3D SL ~1.0″* ~10 mm ~65 °C / 149 °F Yes (3.2 L) L40s Ultra 19,000 HyperStream™ DuoBrush (dual) Virtually tangle-free 3D SL (depth only) 1.57″ (40 mm) ~10 mm ~75 °C / 167 °F Yes (3.2 L) L40s Ultra AE 19,000 Liftable rubber + TriCut (both included) Excellent; swap per floor type RGB AI + 3D SL ~1.0″* ~10 mm ~75 °C / 167 °F Yes (3.2 L) L40s Ultra CE 13,000 TriCut (primary) Very good anti-tangle 3D SL (depth only) ~0.87″ (22 mm) ~10 mm Cool-water wash Yes (3.2 L) *Approximate; varies by surface/angle. Features/specs may vary by region and software updates. Pros Fully automated: vacuum + mop + self-empty + self-wash + dry Excellent cleaning on hard floors and carpet (especially L40s models) Accurate LiDAR mapping with reliable no-go/no-mop zones Low-maintenance routine and long dust-bag intervals Cons Docks are larger than basic chargers Max power can be loud during brief boosts Feature-rich app has a short learning curve (worth it) FAQ about the Dreame L40 Ultra Series 1. Is the Dreame L40s Ultra really worth it? If you want top cleaning with minimal effort, yes—The DuoBrush, 19,000 Pa suction, and hot-wash dock deliver a consistent deep clean with less babysitting. 2. What’s the difference between L40 Ultra and L40s Ultra? Should I upgrade? Upgrade if you have lots of hair/carpet or thresholds. You’ll notice better pickup, fewer tangles, and easier room transitions. 3. Which is best for pet owners? L40s Ultra AE (AI camera + flexible brushes) or L40s Ultra (DuoBrush). Both are excellent with fur, dander, and paw prints. 4. Can a robot like the L40s Ultra really replace manual mopping? For everyday grime and spills, yes—dual spinning pads scrub with pressure, and the dock hot-washes and dries them (CE uses cool water). For stubborn, baked-on stains, spot pretreating still helps. 5. How do I maintain the robot and dock long-term? Minimal. Refill clean water and empty dirty water about weekly, swap a dust bag every few weeks, and rinse the tray occasionally. Read our Robot Vacuum Maintenance Tips to learn more. 

Struggling with stuck vacuums? Conquer obstacles with advanced LiDAR navigation and 3D avoidance in this robot vacuum for effortless, real-time home cleaning.

Struggling to get teens to help? Master chores like vacuuming and pet care that build self-reliance and respect with smart motivation tips.