- Suction
- 20,000 Pa claimed
- Navigation
- LiDAR
- Mopping
- Yes
- Runtime
- Up to 150 min from
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Dreame D20 Air Plus
Budget LiDAR robot with 20,000 Pa and a 120 day auto empty bag
Researched by Riley Hart · updated Nov 3, 2026
Is the Dreame D20 Air Plus worth it? A simple, low cost LiDAR robot that vacuums well and empties itself into a bag that lasts months. It costs $350 as of Nov 4, 2026, and 2 independent reviewers tested it.
A simple, low cost LiDAR robot that vacuums well and empties itself into a bag that lasts months. Android Authority and PCWorld both liked its navigation and value. Skip it if you have loose rugs, cables or toys on the floor, or want real mopping, since it has no camera and only a basic drag pad.
Best for: hard floor homes on a budget that want auto empty. Skip if: you need real mopping or camera obstacle avoidance.
Specs
- Suction
- 20,000 Pa claimed (Dreame), with Quiet, Standard, Intense and Max levels (PCWorld)
- Navigation
- LiDAR with up to 4 saved maps, 3D map and no go zones (Dreame); Android Authority found it navigates well and rarely hit furniture
- Obstacle avoidance
- No camera; LiDAR, front bumper and cliff sensors only (Android Authority, PCWorld). Android Authority saw it shove a plastic tub and fold a small mat
- Mopping
- Yes, flat pad with a 280 mL water tank (Dreame) and 32 water levels (Android Authority); no mop lift and no pad washing in the dock (PCWorld)
- Self empty
- Yes, 4 L dust bag, up to 120 days per Dreame in house lab calculation
- Dock features
- Auto empty and charging only; small dock at 293 x 201 x 266.5 mm (Dreame) with a power switch on the back (PCWorld)
- Runtime
- Up to 150 min from a 3,200 mAh battery, about 140 m2 in quiet mode (Dreame); Android Authority cleaned about 463 sq ft in about 57 min using 73% battery
- Dustbin
- 220 mL robot bin (Dreame) plus 4 L dock bag
3 year cost of ownership
- Robot
- $350
- Total
- $350
Dreame's product page lists no replacement bag, filter or brush prices for this model, so running costs are not included yet.
Status and safety
- US availability
- ● On sale
- Recalls
- ● No Dreame robot recall in the CPSC database as of Nov 4, 2026. Checked daily.
- FCC authorized
- Not checked
- Company
- ● Active
- Warranty
- ● 3 years (Dreame US store)
Price history
Tracked dailyTracking started Nov 4, 2026 at $350.
Each day adds a point. Turn on a price alert to hear about drops.
Where to buy
- Amazon
- See price →
- Dreame US store
- $350 →
Affiliate links. We may earn a commission. It never changes our score. Disclosure
Pros
- Strong claimed suction for the price
- Bag holds up to 120 days per Dreame
- Reliable LiDAR navigation in two reviews
- Low 3.7 in height fits under furniture
- 3 year warranty
Cons
- No camera, so it pushes small rugs and objects
- Basic drag mop with no lift or washing
- Louder than average per both reviewers
- Ongoing cost of dust bags
What independent reviewers found
- Tested at home over several runs: cleaned about 400 sq ft in 48 min on 80% battery, then about 463 sq ft in 57 min on 73%. Navigation was good, but it shoved angled leg items and folded a small mat. Mop works only as a damp touch up. Given the AA Recommended badge, no numeric score.
- Android Authority
- Tested in a split level home on hard floors and rugs: good vacuuming for the price, picked up greyhound hair, cleaned under a low entertainment center and finished a downstairs area in about 33 min with 77% battery left. It repeatedly nudged a mat and the mop is basic.
- PCWorld
Spec history
Checked dailyNo spec changes since we started tracking on Nov 4, 2026.
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Questions buyers ask
How often do I change the dust bag?
Dreame says the 4 L bag holds up to 120 days of debris, based on its own lab calculation. Heavy use fills it sooner.
Does the dock wash the mop?
No. The dock only empties the bin and charges. The mop is a flat pad you wash yourself, and it does not lift over rugs (PCWorld).
Will it avoid cables and socks?
Not reliably. It has no camera, and Android Authority saw it push a tub and fold a small mat. Pick up the floor first.
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