roborock Qrevo Series (QV 35A) Review (2026)
The roborock Qrevo QV 35A is Amazon's Choice in robot vacuums — currently 38% off at $399 (down from $649). It combines 8000Pa suction, dual spinning mops, auto mop washing, self-drying, 7-9 week self-emptying bag, and self-refilling 4L water tank in one station. 4K+ buyers bought it last month alone.
- ✔ Have pets — zero-tangle brush, great for hair
- ✔ Want truly hands-free 7-9 weeks
- ✔ Hard floors needing mopping
- ✔ Want self-refilling water tank
- ✔ Upgrading from budget robot vacuums
- ✖ Mostly carpet — mopping feature wasted
- ✖ Need 5GHz WiFi — 2.4GHz only
- ✖ Want AI camera obstacle avoidance — infrared only
- ✖ Very tight furniture clearance — check 3.35" height
- ✖ Budget is tight — eufy C20 at $379 is comparable
📊 roborock Qrevo QV 35A — Full Specs
| Suction | 8,000 Pa HyperForce |
| Mop System | Dual spinning mops, 200 RPM, 10mm auto-lift on carpet |
| Self-Empty | 2.7L sealed dust bag — lasts 7-9 weeks |
| Water Tank | 4L auto-refilling clean water tank — covers 3,552 sq ft per fill |
| Mop Washing | Auto wash and dry after each clean cycle |
| Navigation | PreciSense LiDAR — 360° real-time mapping |
| Obstacle Avoidance | Reactive Tech (infrared) — detects furniture, cords, shoes |
| Anti-Tangle | SGS-certified 0% hair tangling side brush + full-rubber spiral main brush |
| Multi-Floor | Maps up to 4 floors |
| Surfaces | Carpet, marble, wood, tile |
| WiFi | 2.4GHz only |
| Voice Control | Alexa, Google Assistant, Apple Watch, widgets |
| App | Roborock app — custom routes, scheduling, child lock, no-go zones |
| Price | $399.99 (down from $649.99 — 38% off) |
🔑 What Makes the QV 35A Stand Out
7-9 Week Self-Emptying — Real Hands-Free
The 2.7L sealed dust bag goes 7-9 weeks between replacements — significantly longer than most competitors. The sealed bag means no dust cloud when emptying. After-market bags are cheap and widely available. One buyer with 5 dogs runs it daily and describes the bags as “cheap if you buy aftermarket ones.”
4L Self-Refilling Water Tank
The QV 35A automatically refills its mop water tank from the 4L reservoir in the dock — covering 3,552 sq ft per fill. The dirty water tank needs regular cleaning. This self-refilling system is a meaningful upgrade over robots that require manual water refilling before each mop cycle.
SGS-Certified 0% Hair Tangle Rate
The asymmetrical side brush has SGS certification for 0% hair tangling. The full-rubber spiral main brush prevents hair wrapping. Multiple pet-owning buyers specifically mention this as transformative — one buyer with two dogs states the brush system is a “night and day difference compared to the budget models” they used before.
PreciSense LiDAR Navigation
LiDAR maps your home in real-time and creates detailed floor plans. The robot remembers up to 4 floors, identifies rooms, and lets you schedule specific room cleaning from the app. Multiple buyers report accurate mapping within 1-2 runs through the home. The reactive obstacle avoidance learns frequently-encountered obstacles and automatically marks them as hazard zones.
⚔️ roborock QV 35A vs Competition
| Feature | QV 35A | eufy C20 | roborock S5V | Dreame D20 Plus |
|---|---|---|---|---|
| Price | $399 | $379 | $629 | $259 |
| Suction | 8,000 Pa | 7,000 Pa | 12,000 Pa | 13,000 Pa |
| Self-Empty Interval | 7-9 weeks | Shorter | Shorter | 5L bag |
| Self-Refill Water | ✅ 4L | ❌ manual | ✅ | ❌ |
| Auto Mop Wash | ✅ | ✅ | ✅ | ❌ |
| Hair Tangle | SGS 0% certified | Pro-Detangle | Zero-Tangle | DuoBrush |
| Obstacle Avoidance | Infrared | Infrared | Smart AI | LDS mapping |
| Reviews | 1.6K ⭐4.3 | 80K ⭐4.2 | 1.7K ⭐4.2 | 233 ⭐4.2 |
💬 What Real Buyers Are Saying
⭐⭐⭐⭐⭐ “Night and day difference from budget models”
“I previously owned cheaper robot vacuums from Loorow and Eufy. Between my dog's hair and my girlfriend's long hair, they were constantly getting tangled. The Roborock Qrevo Series is a completely different experience. The automatic mop washing and refill system actually makes me use the mop daily. The wheels and roller brush don't constantly tangle — that alone feels like a major quality of life upgrade.” — Mr. Chris, verified buyer (13 found helpful)
⭐⭐⭐⭐⭐ “5 dogs — house clean all the time”
“I have mine programmed to run every day of the week except Sundays. It vacuums every day and mops every other day. My house is clean all the time — we have 5 dogs! If it encounters obstacles repeatedly, it seemingly marks the area as a hazard on its own and avoids it. You can't go wrong with this one!” — Matthew Swanson, verified buyer
⭐⭐⭐⭐⭐ “Why did I wait so long?”
“Hands down, this Roborock is the absolute BEST vacuum and mop I've ever owned. It's so quiet that it can sometimes sneak up on you. Does a great job of vacuuming and mopping, and my floors are always clean — even with two dogs. I love that it uses bags to collect the dirt it vacuums, as emptying the dust bins have always been so messy.” — Susan L., verified buyer
⚠️ Dirty water tank maintenance
Multiple buyers note the dirty water tank (collects used mop water) should be cleaned regularly — roborock recommends cleaning it after each mop cycle. This is a 2-minute task but requires awareness. Also note: use only Roborock's official cleaning solution in the water tank — third-party solutions can clog the system.
🏆 Final Verdict — Is the roborock QV 35A Worth $399?
Yes — especially at the current 38% discount.
The roborock QV 35A at $399 (down from $649) delivers a genuinely premium hands-free experience: 7-9 week self-emptying bag, self-refilling 4L water tank, auto mop washing, and SGS-certified anti-tangle brushes. For pet owners and hard-floor homes, it's the most capable robot vacuum under $400 available in 2026.
Choose QV 35A if: you want the longest self-emptying interval and self-refilling water tank — meaningful conveniences over eufy C20. Choose eufy C20 ($379) if: you want maximum social proof (80K reviews), slimmer design, or marginal savings.
Compare with our eufy Omni C20 Review → or see all options in our Best Robot Vacuums Guide →
Frequently Asked Questions
How often do I need to maintain the roborock QV 35A?
Daily: nothing — fully automated. Weekly: clean dirty water tank (2 minutes), check mop pad condition. Every 7-9 weeks: replace dust bag. Every 3-6 months: clean filter, replace mop pads if worn. The self-refilling and self-emptying features handle the daily maintenance loop automatically.
roborock QV 35A vs roborock Qrevo S5V — which should I buy?
QV 35A ($399): better value, longer self-empty interval (7-9 weeks vs shorter), 8000Pa suction, same auto mop washing. S5V ($629): 12,000Pa suction (50% more), FlexiArm edge mopping (reaches corners better), hot water mop washing. For most homes, the $230 savings with QV 35A is hard to justify over the S5V. Upgrade to S5V if edge cleaning or suction power is a priority.
Does roborock QV 35A map multiple floors?
Yes — PreciSense LiDAR navigation stores maps for up to 4 floors. You carry the robot between floors manually (the dock stays on the main floor). The robot recognizes which floor it's on and uses the appropriate map. Room-specific cleaning, no-go zones, and schedules can be configured per floor in the Roborock app.
Is the roborock QV 35A loud?
In standard mode, the QV 35A is quiet enough to run while watching TV or on a Zoom call in another room. Multiple buyers describe it as surprisingly quiet. The dock emptying cycle (approximately 15 seconds) is the loudest part — similar to a vacuum cleaner briefly. The silent mode reduces suction power for use at night.
Affiliate Disclosure: Top Choices Lab participates in the Amazon Associates program. When you click our links and make a purchase, we may earn a small commission at no extra cost to you. Prices accurate as of April 17, 2026.