air master: 1 DOE certified model
air master has one portable AC basic model certified to DOE as of 2026-11-03, rated 9,250 BTU/h SACC. It's the same unit as a model filed under 1 other brand. How its efficiency compares with its DOE class is below.
Source: DOE Compliance Certification Database (portable ACs), data as of 2026-11-03.
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Portable air conditioners
| # | Photo | Model | Labels | SACC, BTU/h | Covers | CEER | Hose | Heat | Brands | Amazon |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | air masterPC9R- |
| 9,250SACC, up to 400 sq ft | 400 sq ft | 7.6 | Single hose | No | 2 | Check price on Amazon |
How efficient is the air master PC9R-AME?
air master PC9R-AME files CEER 7.6 Btu/Wh. The median among the 1,044 single hose portable ACs is 7.3, so it's above the median: higher than 658 of the 1,044.
A higher CEER means more cooling per watt.
Who makes air master portable ACs?
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.
air master shares its basic model with one other brand, SereneLife.
| Basic model | air master model | Number belongs to | Brands |
|---|---|---|---|
| PC9R- | PC9R- | No known prefix | 2 |
How much does an air master portable AC cost to run?
For air master PC9R-AME, 9,250 BTU/h SACC divided by a CEER of 7.6 is about 1,217 W while cooling. That's about 22¢ an hour ($53.05 for 30 days at 8 hours a day).
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 air master PC9R-AME compare with other brands?
Picked by rule from models with a matched listing, DOE data as of 2026-11-03.
- Within 1,000 BTU/h of its size, highest CEER: Danby DPA100B9IWDB-6, 10,000 BTU/h SACC. Up to 450 sq ft, dual hose, CEER 14.7: about 48% less power for the same cooling.
- Nearest size in its class with a higher CEER: GARVEE JHS-A020B-09KR-D, 9,300 BTU/h SACC. Up to 400 sq ft, single hose, CEER 8: about 5% less power for the same cooling.
- Nearest bigger unit: SereneLife SLINV10CHPD, 10,300 BTU/h SACC. Up to 450 sq ft, dual hose, heats, CEER 12.
Questions about air master
- Is air master a good portable AC brand?
- Its one portable AC basic model, air master PC9R-AME, certifies 9,250 BTU/h SACC, and its CEER of 7.6 is higher than 658 of the 1,044 single hose portable ACs certified to DOE. It's the same unit as another brand's model. We don't test reliability, noise or build quality, so we can't rank brands on those. How we compare models.
- How big a room will a air master portable AC cool?
- air master PC9R-AME certifies 9,250 BTU/h SACC, which ENERGY STAR's sizing chart puts at 400 sq ft. Every one was tested single hose. SACC and the BTU figure on the box.
- Is air master the same as SereneLife?
- For one unit, yes: both file it under the same DOE basic model (PC9R-AME). Compare the 2 brands of PC9R-AME.