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OLMO vs Perfect Aire: heat pump ratings compared
Against heat pumps of the same size and type, a typical OLMO model beats 43% and a typical Perfect Aire model 53%. Perfect Aire rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
OLMO
43%
of similar heat pumps beaten by its typical model
Below average11 models listed
Perfect Aire
53%
of similar heat pumps beaten by its typical model
About average7 models listed
- Efficiency on a 5°F dayCOP at 5°FOLMO: Beats 45%Perfect Aire: Beats 38%
- Heating power kept at 5°FCapacity at 5°F vs 47°FOLMO: Beats 40%Perfect Aire: Beats 63%
- Winter-long heating efficiencyHSPF2OLMO: Beats 33%Perfect Aire: Beats 47%
- Summer-long cooling efficiencySEER2OLMO: Beats 45%Perfect Aire: Beats 57%
- Hot-day cooling efficiencyEER2OLMO: Beats 50%Perfect Aire: Beats 58%
Average (50%)Dashed outline: the other brand, for comparison
Want ranks, distributions per size class and cold-weather curves? Switch to Advanced
Rebate standards
CEE 2025
- OLMO
- 91%
- Perfect Aire
- 86%
Xcel CC
- OLMO
- 55%
- Perfect Aire
- 86%
CEE Advanced
- OLMO
- 0%
- Perfect Aire
- 0%
ENERGY STAR CC
- OLMO
- 36%
- Perfect Aire
- 86%
Top cold-climate picks, ducted 3.5–4.5 tons
Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.
Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
OLMO
No ducted, 3.5–4.5 tons model from OLMO.
Perfect Aire
No ducted, 3.5–4.5 tons model from Perfect Aire.
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
Next steps
The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.
Open the advanced view