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Dreame Purifiers: PM10 versus PM20

Updated: Mar 03, 2026

Comparing the two best Dreame purifiers, the PM series.

Dreame PM series purifiers compared

Product / Specs
PM10

PM20
Price $499.99 $699.99
Coverage in 15 minutes 1,883 ft² 1,883 ft²
Coverage in 60 minutes 7,534 ft² 7,534 ft²
Display LCD LCD
Oscillation 180° 180°
Functions Purifier, Fan Purify, Heat, Fan
Heat coverage - up to 104F / 3 sec
Mode Auto, Comfort, Pet Auto, Comfort, Pet
Transforms formaldehyde yes yes
Height (in) 14.96 14.96
Weight (lbs) 41.89 41.89
Accessories Remote control Remote control
App yes yes
Smart adjustments yes yes
Filtration 4-layer HEPA 4-layer HEPA

Performance:

  • Purifies 7,534 ft2 in 1 hour, ideal for a room up to 1,883 ft2;
  • Dualflow Modulation Tech purifies the room 33% faster;
  • 4-layer filtration system removes up to 99.9% particles;
  • 7 smart sensors monitor particles in real-time;
  • Catalytic Decomposition Tech turns formaldehyde and toluene into water and CO2.

For big spaces

Smart features:

  • Detects movement in real-time and initiates airflow instantly.
  • Adjusts airflow direction based on real-time movement tracking.
  • Automatically adjusts airflow based on air quality.
  • Switch between three modes.
  • Monitor air quality through the app.

Purifier + Fan

A purifier that also works as a fan. Suitable for bigger rooms.

Purifier + Fan + Heater

The PM20 can also work as a heater and heats up to 104F in 3 seconds.

Smartly monitors the air in the room and movements, intelligently adjusting airflow.

Works as a purifier, fan, and a heater

Built-in radar detects movement without delay and auto-adjusts airflow direction within a 32.8 ft range and 180° coverage, even directing air between multiple people.



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