Robot vacuum noise depends on the mode: the robot figures we read run from Tapo's 52 dB in Quiet Mode to the Dreame X60 Max's 70 dB at Max. No maker we read states a measuring distance or names a noise test standard. Within that limit, they fall into four groups.
More than one mode.
For Tapo, Quiet Mode is 52 dB and standard mode is 55 dB. Dreame gives four figures for the X60 Max: 59, 60, 66 and 70 dB, from Quiet to Max. Roborock shows 65dB (Balanced) and 60dB (Mop Only) for the Q7 M5, in an image on its page.
One figure, with the mode named.
Narwal's Freo 20 is 56.9 dB(A) in Quiet Mode under its own lab conditions; our Narwal robot vacuum decibels page lists every Narwal figure.
eufy's comparison table gives the Omni S2, C20 and C28 54 to 54.89 dB in "Standard, Vacuum-only", and the Omni E25 under 55; our eufy robot vacuum decibels page lists them.
Ecovacs always quotes standard mode: 61.8 dBA for the X11, 63 for the T50 PRO, 63.4 for the T80. Roborock gives 62 to 65 dB for the Qrevo Curv 2 Flow in vacuum and mop mode. An image on the Saros 10R page says its quiet mop-only mode is as low as 55dB in a semi-anechoic chamber.
One figure, no mode.
eufy says 55dB for the RoboVac 11S MAX. Narwal says the Flow 2 runs under 56.5 dB.
Nothing.
iRobot publishes no figure. Neither does the Dreame D20 Plus, in the page text and manuals we read. Some of these makers put spec charts in images, so a figure could be hiding there.
Roborock is the clearest case: most of its figures sit inside product page images rather than its spec tables, and our Roborock robot vacuum decibels page lists every one we found, with the mode or dock action each describes.
We first listed the Roborock Q7 M5 and Saros 10R under nothing, because their figures appear only in images on Roborock's pages. Balanced and mop-only are not modes any other maker here gives a figure for, so we have not moved either robot up against the quiet-mode and standard-mode figures.
One brand is missing from this guide. Shark's websites blocked every attempt to read them at first, and on a later check none of the four Shark robot pages we could open gave a decibel figure, so there is no Shark number to rank.
Can you compare robot vacuum decibels across brands?
Robot vacuum decibels can be compared only mode for mode, and even then with care. The lowest figures in this category are quiet-mode figures. Ecovacs only publishes standard mode. Set its 61.8 dBA beside Narwal's 56.9 dB(A) and Ecovacs looks louder, but the two numbers describe different settings.
Dreame's four figures show how much the mode matters: the same robot runs at 59 dB in Quiet Mode and 70 dB at Max. That 11 decibel spread inside one machine is larger than the gap between most of the robots in this guide.
Regular vacuum cleaners tend the other way: most of their makers quote the loudest mode, as our guide to the quietest vacuum cleaners explains.
The only like-for-like comparison the published figures allow is standard mode: Tapo at 55 dB, Dreame at 60 dB, and the three Ecovacs models between 61.8 and 63.4 dBA. Even there, the units differ, and nobody states a distance.
If mopping matters as much as vacuuming, our guide to the quietest robot vacuum and mop combos groups each maker's mop-mode and sweep-and-mop figures by the label it prints, since a mopping figure usually describes a robot with its vacuum fan slowed or stopped.
Carpet boost is another variable. eufy's manual says its BoostIQ feature will increase the noise level, and that you can disable it if it disturbs you. iRobot's support pages say a Roomba will be louder on carpets in its more thorough cleaning settings, and that this is expected.
How loud is a self-emptying robot vacuum dock?
The emptying burst is the loudest sound the system makes. A self-empty dock spares you from emptying a small bin every day. It does it with a short, powerful burst of suction.
Only two brands put a number on it. Ecovacs lists dust collection noise in the spec table of most Deebot models, from 73.3 dBA up to 83 dBA across its range. Our ECOVACS robot vacuum decibels page lists every current DEEBOT with a figure, robot and dock rows side by side.
Roborock says in a product FAQ that emptying raises the noise to 70 dB, and that it lasts less than a minute.
Dreame prints no dock figure on its product pages, and its own site calls auto-emptying stations undeniably loud; its blog gives 78 dB for the D30 Ultra's auto-empty cycle, and our Dreame robot vacuum decibels page sorts every Dreame figure by where Dreame printed it.
Compare those with the robots: 52 to 65 in their quiet and standard modes. If you are choosing between two robots that differ by two or three decibels, the dock will matter more than the difference.
You can manage it. Some Ecovacs stations have a quiet dock setting: the X11 lists 73.3 dBA in quiet against 78.9 in standard. Roborock's manual says the robot will not auto-empty during do-not-disturb hours, which default to 22:00 to 08:00. And a robot with no dock, like the eufy 11S MAX, never makes the sound at all.
What matters most in a robot vacuum for an apartment?
In an apartment, what the do-not-disturb (DND) window holds back matters more than the robot's own noise figure. Through a shared wall or floor, the robot's hum matters less than the emptying burst, so in a flat we would choose on what the DND window holds back before comparing robot figures.
Roborock's manuals go furthest. For the Qrevo Curv 2 Flow and the Saros 10R, both among the robots we also considered, they let the app decide whether emptying, auto top-up and drying run inside the window, dim the indicator lights and turn the voice down, and the Q7 M5 plays no voice messages in DND at all.
Ecovacs says in its US manual that the Deebot X11 will not empty the dust after docking in Do Not Disturb mode, and Auto-Empty is an app function you can leave switched off.
Tapo's guide names Do Not Disturb as one reason the RV30 Max Plus dock fails to collect dust, and its auto-empty waits until the robot has cleaned for more than 30 minutes in total, so in a studio, where cleans are short, it may not empty after every run.
We found no DND or emptying control in the Narwal Freo 20's page text. Holding the dock has a price: the bin stays full until you empty it by hand or a later clean finishes outside the window.
Mopping stations keep working after the robot docks. Ecovacs lists the X11's mop washing at 54.9 dBA releasing water and 61.5 dBA pumping it, with no figure for its 2, 3 or 4 hours of hot air drying, and Roborock says washing and drying on the Qrevo run at about 56 to 57 dB.
Floor space by the door is the other limit. By the makers' figures, Tapo's empty-only dock is 228 x 164 x 330 mm, against 380 x 335 x 465 mm for the X11 station without its base, 390 x 423 x 499 mm for the Dreame X60 Max base and 431 x 402 x 461 mm for the Freo 20's.
The eufy 11S MAX needs only a charging base and never makes the burst, though its manual describes no way to silence its error beeps.
Is the quietest robot vacuum good for pet hair?
No, not in quiet mode: by the makers' own advice, pet hair calls for a robot vacuum's stronger, louder suction settings. Pet owners face a trade the makers describe themselves. eufy tells pet owners to set the suction to Turbo or Max, and to raise the self-empty frequency to every 15 minutes. That is the loudest robot setting and more dock bursts.
Narwal's own guide says quiet mode reduces suction significantly and cleans less effectively on pet hair.
So treat the quiet figure as the robot's weekday, working-from-home sound, and plan the heavy cleaning for when the house is empty. Dreame gives the same advice: run Max suction and auto-empty while you are out, and keep Quiet mode for the hours you are home.
On tangling, every claim is a maker claim. Some name a certifier. Roborock says the Q7's brushes are certified by TUV Rheinland for anti-entanglement. Dreame says the D20 Plus is certified by TUV SUD for hair detangling.
Narwal claims 0% tangling on both brushes of the Freo 20, and an image on its page shows an SGS "Performance Tested" mark for anti-hair entanglement. Ecovacs names nobody. Tapo and the eufy 11S MAX make no anti-tangle claim at all.
On pet accidents, only camera-equipped robots claim to avoid them: the iRobot 715, the Narwal Freo 20 and the Roborock Qrevo Curv 2 Flow. iRobot used to back this with a promise to replace the robot.
The page for that promise still names only the older Roomba j7+, so we cannot tell you it applies to anything sold today. The quietest budget robots here navigate by LiDAR and make no such claim.
How loud is a robot vacuum on its pet hair settings?
Only one maker we read prints a figure for the strong settings a fur home really runs: Dreame lists the X60 Max at 66 dB in Turbo and 70 dB at Max. If you want to know what pet-hair cleaning sounds like before you buy, that is the pick that tells you.
Tapo prints no figure for the RV30 Max Plus at its three other suction levels, makes no anti-tangle claim and has no camera, so its 52 dB Quiet Mode suits a short-haired cat on hard floors better than a heavy shedder. It does list a Child & Pet Lock, so a paw on the button cannot start a clean.
Fur also brings the dock on more often, because the bin fills faster. The Deebot X11 is the one station with a published quieter setting, 73.3 dBA against 78.9 dBA in standard, and it is bagless, which Ecovacs says saves up to $100 a year on dust bags.
Narwal shows how much faster fur fills a bag: it rates the Flow 2's at 120 days in a home without pets and 90 days with them.
For accidents and long hair, the Narwal Freo 20 pairs its waste avoidance claim with Pet Care Mode 2.0, which Narwal says "automatically boosts suction for fur and kibble" in pet zones, and it gives no figure for that louder setting.
Roborock says the Saros 10R's main brush is certified by SGS with a 0% hair entanglement rate. The Ecovacs T80's claim that it "avoids moving objects like pets instantly" is about not bumping the dog, and we found no pet waste claim for it.
None of the makers we read publishes any testing of how animals react to the noise. Narwal's guide suggests a daily 11:00 AM clean in Quiet or Standard for a pet household, saying it "avoids startling pets", which is advice rather than evidence.
How do you make a robot vacuum quieter?
Move the loud work to when you are out, and keep the brushes and the dock's airway clean.
Schedule the loud work
Set strong suction and dock emptying for when you are out, and use do-not-disturb hours so the dock stays silent at night.
Turn off carpet boost if it bothers you. eufy says you can, and Roborock makes it a setting in its app.
Clean the brushes. iRobot says to clean them at least once a week, and that the fix for grinding or rattling is to clean the brushes, including any debris at both ends. Roborock's manual lists jammed brushes and wheels as the cause of noise during cleaning.
Check the dock's airway. Roborock's manual says an unusual noise when emptying means the filter, air duct, dustbin or dust bag is blocked.
Give a new robot time. iRobot says a new Roomba can be noisier at first, and that the noise diminishes as the robot is used.
How much should you spend on a quiet robot vacuum?
Under $350 at list price buys the two quietest published figures in this guide, the Tapo and the eufy 11S MAX. Neither is a good match for a heavy shedder.
Around $400 to $550 buys an Ecovacs with a full mopping and self-emptying station and a standard-mode figure.
Around $1,100 buys the Narwal Freo 20 or the Ecovacs X11: a quiet-mode figure with pet features, or full disclosure including the dock.
Around $1,700 buys the Dreame X60 Max, with every mode published and a three-year warranty.
When we checked, most of these carried discounts at the makers' own stores, some of them steep, so treat list prices as a ceiling.
Which robot vacuum buying mistakes cost you quiet?
The common robot vacuum buying mistakes are comparing figures from different modes, forgetting the dock, buying on the quiet figure for a pet home, and trusting bare tangling or suction claims.
Check which mode each number describes.
Forgetting the dock
Where both figures are published, the dock is 5 to 17 decibels above the robot, and most makers do not mention it.
Makers tell pet owners to use the loud modes.
Trusting a bare "0% tangling" claim
Look for a named certifier, and even then nobody says how much hair was tested.
Comparing suction in pascals across brands
Only Roborock names a test method for its figure. The others cite their own labs or nothing, and iRobot publishes no figure.
Tapo's 55 dB and the Ecovacs X11's 61.8 dBA are both standard-mode figures, yet one is plain dB and the other A-weighted, with no distance behind either, so a plain dB rating and an A-weighted one cannot be ranked against each other.
Judge the dock's 70 to 83 alongside the robot's 52 to 65, against the room you will be in when they run; room-by-room noise targets help with that call.
If a robot you already own has started to grind or rattle, the brush and dock airway checks above are the makers' own fixes for a noisy robot, also covered in why your appliance got louder.
