Dreo Macro Max AS
#4 in Large roomsFull review
A strong-value smart purifier for large rooms up to about 450 sq ft.
Amazon $159.99$159.99
3.7/5
A large-room purifier with very high certified CADR and low running costs, for open-plan living areas.
- 435 cfmSmoke CADR
- 674 sq ftRoom size
- $139.98/yearFilters
- 23 to 53 dBNoise
- 1 yearsWarranty
Check price at Amazon$349
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Over 400 CFM of certified smoke CADR, enough for a big living room or open plan
- Among the most efficient purifiers ENERGY STAR lists, so running it all day costs little
- Quiet 23 dB on its lowest setting
- Washable fabric pre-filter catches pet hair and can be swapped for a colour you like
Cons
- Filters cost about $70 every six to nine months
- One-year warranty is short for the price
- Odor control isn’t documented, so it may do little for cooking smells
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its room size. How we rank explains each one.
Specifications
| Model number | 3613111100 |
|---|---|
| Performance | |
| Smoke CADR | 435 cfm |
| Dust CADR | 453 cfm |
| Pollen CADR | 450 cfm |
| PM2.5 CADR | 444 cfm |
| CADR certified by | AHAM Verifide |
| Room size (AHAM) | 674 sq ft |
| Coverage (maker) | 3,235 sq ft |
| Noise | 23 to 53 dB |
| Efficiency | |
| Efficiency (IEF) | 9 cfm/W |
| ENERGY STAR | Yes |
| Energy use | 256 kWh/year |
| Filters | |
| Filter | HEPASilent particle filter with washable fabric pre-filter |
| Replacement | F2MAX (110039) |
| Replacement cost | $69.99 every 6 months |
| Yearly filter cost | $139.98/year |
| CARB certified (ozone) | Yes |
| Controls and build | |
| Air-quality sensor | particle |
| Auto mode | Yes |
| Wi-Fi app | Yes |
| Fan speeds | 5 |
| Dimensions | 22.7 x 14.4 x 14.4 in |
| Weight | 16.2 lb |
| Warranty | 1 years |
Alternatives in this room size
Winix 5520
#5 in Large roomsFull review
A living-room purifier with strong airflow and low filter costs at Amazon’s price. Turn PlasmaWave off if you’re sensitive to ozone.
Amazon $179.99$179.99
Levoit Vital 200S
#7 in Large roomsFull review
A good-value living-room purifier for pet owners, with about the same airflow as pricier rivals.
Amazon $169.99$169.99
Compare
Compare the Blueair Blue Pure 211i Max with any other air purifier →
More from Blueair: every Blueair product ranked.