OLMO heat pumps: how do their ratings compare?
A typical OLMO heat pump beats 43% of similar heat pumps (same size and type), which is below average. OLMO has 11 heat pump models in this list.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Overall score
43%
of similar heat pumps beaten by its typical model
Below averageOLMO has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 11 models with every rating.
- Efficiency on a 5°F dayCOP at 5°FBeats 45%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 40%
- Winter-long heating efficiencyHSPF2Beats 33%
- Summer-long cooling efficiencySEER2Beats 45%
- Hot-day cooling efficiencyEER2Beats 50%
Average (50%)
Each bar: the share of similar heat pumps a typical model beats on that rating.
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Rebate standards
91%
meet CEE 2025 Tier 1, the level many utility rebates use.
10 models. All brands: 57%.
55%
meet Xcel Energy Colorado’s cold-climate rebate levels.
6 models. All brands: 53%.
0%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
None of its models yet. All brands: 3%.
OLMO all-around best, by size
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?
6 of OLMO’s 6 models of this size and type have all five ratings.
- 1OS-RMS18-230VOOLMO1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 69.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.99 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 22.0 (SEER2)
- Good
- Hot-day cooling
- 13.3 (EER2)
- Great
- 2OS-SR09-230VOwith ductless indoor unit OS-09SRW-230VIOLMO1 ton · 9,000 Btu/h · DuctlessNot a cold-climate pick: keeps 60% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 63% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 9.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 23.0 (SEER2)
- Good
- Hot-day cooling
- 13.0 (EER2)
- Good
- 3OS-SR18-230VOwith ductless indoor unit OS-18SRW-230VIOLMO1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 69.0Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 76% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.49 (COP at 5°F)
- Top 10%
- Winter efficiency
- 9.8 (HSPF2)
- Good
- Cooling efficiency
- 21.0 (SEER2)
- Below the middle
- Hot-day cooling
- 12.0 (EER2)
- Below the middle
- 4OS-SR09-115VOwith ductless indoor unit OS-09SRW-115VIOLMO1 ton · 9,000 Btu/h · DuctlessNot a cold-climate pick: keeps 63% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 63% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.0 (HSPF2)
- Below the middle
- Cooling efficiency
- 20.0 (SEER2)
- Below the middle
- Hot-day cooling
- 12.5 (EER2)
- Good
- 5OS-SR12-230VOwith ductless indoor unit OS-12SRW-230VIOLMO1 ton · 12,000 Btu/h · DuctlessNot a cold-climate pick: keeps 62% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 63% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 8.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 20.0 (SEER2)
- Below the middle
- Hot-day cooling
- 11.1 (EER2)
- Below the middle
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
What to do next
The advanced view has OLMO’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.
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