Smartmi: 2 DOE certified models
Smartmi has 2 air purifier basic models certified to DOE as of 2026-11-03, rated smoke CADR 124 to 195 cfm. How their efficiency compares with their DOE class is below.
Key findings
- Highest certified smoke CADR among its air purifiers: Smartmi KQJHQ02ZM at 195 cfm.
Source: DOE Compliance Certification Database (air purifiers), data as of 2026-11-03.
Air purifiers
| # | Photo | Model | Labels | Smoke CADR, cfm | Room size | PM2.5 CADR | CADR/W | Brands |
|---|---|---|---|---|---|---|---|---|
| 1 | SmartmiKQJHQ02ZM |
| 195cfm, 302 sq ft | 302 sq ft | 196 | 4.6 | 1 | |
| 2 | SmartmiZMKQJHQP11 |
| 124cfm, 192 sq ft | 192 sq ft | 129 | 4.6 | 1 |
How efficient are Smartmi air purifiers?
Of the 2 Smartmi air purifiers, none files a higher CADR/W than the class median: 2 fall below it.
| DOE class | Smartmi models | Above median | Class median | Best Smartmi |
|---|---|---|---|---|
| Air purifiers, PM2.5 CADR 100 to 149 cfm (66) | 1 | 0 | CADR/W 4.65 | ZMKQJHQP11 CADR/W 4.6 |
| Air purifiers, PM2.5 CADR 150+ cfm (140) | 1 | 0 | CADR/W 5.5 | KQJHQ02ZM CADR/W 4.6 |
A higher CADR/W means more clean air per watt.
Who makes Smartmi air purifiers?
DOE's database has no manufacturer field, so the evidence is whose model number each unit is filed under and which other brands file the same unit.
None of the 2 Smartmi basic models is filed by another brand as of 2026-11-03, and none uses another company's model number. DOE's records tie them to Smartmi alone.
How much does a Smartmi air purifier cost to run?
DOE's annual energy figures for the 2 Smartmi air purifiers that file one run from 163 to 246 kWh a year: about $29.60 to $44.67 a year. The lowest is Smartmi ZMKQJHQP11 (124 cfm, CADR/W 4.6) and the highest Smartmi KQJHQ02ZM (195 cfm, CADR/W 4.6).
At 18.16¢ per kWh, the US average residential price for August 2026 (EIA Electric Power Monthly, table 5.6.A). Worked out from the certified figures.
How does Smartmi KQJHQ02ZM compare with other brands?
Picked by rule from models with a matched listing, DOE data as of 2026-11-03.
- Within 20 cfm of its size, highest CADR/W: DREAME CVF16A, 186 cfm. Room size 288 sq ft, CADR/W 5.3: about 13% less power for the same clean air.
- Nearest size in its class with a higher CADR/W: Priestley P360, 195 cfm. Room size 302 sq ft, CADR/W 5.1: about 10% less power for the same clean air.
- Nearest bigger unit: DREAME CVF61A, 216 cfm. Room size 335 sq ft, CADR/W 3.4.
Questions about Smartmi
- Is Smartmi a good air purifier brand?
- How its 2 air purifiers compare on efficiency with their DOE class is above. Both are filed under Smartmi alone. We don't test reliability, noise or build quality, so we can't rank brands on those. How we compare models.
- What room size are Smartmi air purifiers rated for?
- DOE's effective room size for its 2 rated models is 192 to 302 sq ft, from a certified smoke CADR 124 to 195 cfm. CADR and room size.
- Which Smartmi air purifier is the most efficient for its size?
- Smartmi ZMKQJHQP11, at CADR/W 4.6: higher than 31 of the 66 in its DOE class (air purifiers, PM2.5 CADR 100 to 149 cfm). At the other end is Smartmi KQJHQ02ZM, at CADR/W 4.6, higher than 44 of the 140 in its class.