OSLO: 2 DOE certified models
OSLO has 2 portable AC basic models certified to DOE as of 2026-11-03, rated 8,000 to 10,200 BTU/h SACC. How their efficiency compares with their DOE class is below.
Key findings
- Highest certified cooling capacity among its portable ACs: OSLO OSP1-10 at 10,200 BTU/h SACC.
Source: DOE Compliance Certification Database (portable ACs), data as of 2026-11-03.
Portable air conditioners
| # | Photo | Model | Labels | SACC, BTU/h | Covers | CEER | Hose | Heat | Brands |
|---|---|---|---|---|---|---|---|---|---|
| 1 | OSLOOSP1- |
| 10,200SACC, up to 450 sq ft | 450 sq ft | 7.9 | Single hose | No | 1 | |
| 2 | OSLOOSP1- |
| 8,000SACC, up to 350 sq ft | 350 sq ft | 7.3 | Single hose | No | 1 |
How efficient are OSLO portable ACs?
Of the 2 OSLO portable ACs, 1 files a higher CEER than the class median and 1 matches it.
| Class | OSLO models | Above median | Class median | Best OSLO |
|---|---|---|---|---|
| Single hose portable ACs (1,044) | 2 | 1 | CEER 7.3 | OSP1- |
A higher CEER means more cooling per watt.
Who makes OSLO 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.
None of the 2 OSLO 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 OSLO alone.
How much does an OSLO portable AC cost to run?
While cooling, OSLO portable ACs draw about 1,096 to 1,291 W (certified SACC divided by CEER). That's 20¢ to 23¢ an hour, or $47.76 to $56.27 for 30 days at 8 hours a day. The lowest is OSLO OSP1-08 (8,000 BTU/h SACC, CEER 7.3) and the highest OSLO OSP1-10 (10,200 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.
How does OSLO OSP1-10 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 46% less power for the same cooling.
- Nearest size in its class with a higher CEER: AKIRES AK-OL-A018ED10N3B1/S, 10,300 BTU/h SACC. Up to 450 sq ft, single hose, CEER 8.1.
- Nearest bigger unit: Keystone KSTAP121HINV, 12,000 BTU/h SACC. Up to 550 sq ft, dual hose, heats, CEER 14.2.
Questions about OSLO
- Is OSLO a good portable AC brand?
- How its 2 portable ACs compare on efficiency with their DOE class is above. Both are filed under OSLO alone. 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 OSLO portable AC cool?
- Its models certify 8,000 to 10,200 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 OSLO portable AC is the most efficient for its size?
- OSLO OSP1-10, at CEER 7.9: higher than 738 of the 1,044 single hose portable ACs certified to DOE. At the other end is OSLO OSP1-08, at CEER 7.3, higher than 392 of the 1,044 in its class.