GrowthWing: 4 DOE certified models
GrowthWing has 4 portable AC basic models certified to DOE as of 2026-11-03, rated 8,000 to 10,000 BTU/h SACC. 4 are the same unit as models filed under other brands. How their efficiency compares with their DOE class is below.
Key findings
- Highest certified cooling capacity among its portable ACs: GrowthWing HAC904 and GrowthWing HAC904WF tie at 10,000 BTU/h SACC.
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 |  | GrowthWingHAC904WFfiled as ECOSELF HAC904WF |
| 10,000SACC, up to 450 sq ft | 450 sq ft | 7.9 | Single hose | No | 4 | Check price on Amazon |
| 2 | | GrowthWingHAC905WFfiled as ECOSELF HAC905WF |
| 8,000SACC, up to 350 sq ft | 350 sq ft | 7.3 | Single hose | No | 4 | Check price on Amazon |
| 3 | GrowthWingHAC904filed as ECOSELF HAC904 |
| 10,000SACC, up to 450 sq ft | 450 sq ft | 7.9 | Single hose | No | 4 | ||
| 4 | GrowthWingHAC905filed as ECOSELF HAC905 |
| 8,000SACC, up to 350 sq ft | 350 sq ft | 7.3 | Single hose | No | 4 |
How efficient are GrowthWing portable ACs?
Of the 4 GrowthWing portable ACs, 2 file a higher CEER than the class median and 2 match it.
| Class | GrowthWing models | Above median | Class median | Best GrowthWing |
|---|---|---|---|---|
| Single hose portable ACs (1,044) | 4 | 2 | CEER 7.3 | HAC904 CEER 7.9 |
A higher CEER means more cooling per watt.
Who makes GrowthWing 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.
GrowthWing shares 4 units with 3 other brands. Brands it shares with, and how many units each:
| Basic model | GrowthWing model | Number belongs to | Brands |
|---|---|---|---|
| HAC904 | HAC904 | No known prefix | 4 |
| HAC904WF | HAC904WF | No known prefix | 4 |
| HAC905 | HAC905 | No known prefix | 4 |
| HAC905WF | HAC905WF | No known prefix | 4 |
How much does a GrowthWing portable AC cost to run?
While cooling, GrowthWing portable ACs draw about 1,096 to 1,266 W (certified SACC divided by CEER). That's 20¢ to 23¢ an hour, or $47.76 to $55.17 for 30 days at 8 hours a day. The lowest is GrowthWing HAC905 (8,000 BTU/h SACC, CEER 7.3) and the highest GrowthWing HAC904 (10,000 BTU/h SACC, CEER 7.9).
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.
Questions about GrowthWing
- Is GrowthWing a good portable AC brand?
- How its 4 portable ACs compare on efficiency with their DOE class is above. 4 of them are 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 GrowthWing portable AC cool?
- Its models certify 8,000 to 10,000 BTU/h SACC, which ENERGY STAR's sizing chart puts at 350 to 450 sq ft. Every one was tested single hose. SACC and the BTU figure on the box.
- Which GrowthWing portable AC is the most efficient for its size?
- GrowthWing HAC904 and GrowthWing HAC904WF tie at CEER 7.9: higher than 738 of the 1,044 single hose portable ACs certified to DOE. At the other end are GrowthWing HAC905 and GrowthWing HAC905WF, at CEER 7.3, higher than 392 of the 1,044 in its class.
- Is GrowthWing the same as ECOSELF?
- For 4 units, yes: both file them under the same DOE basic model (HAC904, HAC904WF, HAC905 and HAC905WF).