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Custom Comfort vs MAXI AIR: heat pump ratings compared
Against heat pumps of the same size and type, a typical Custom Comfort model beats 71% and a typical MAXI AIR model 75%. MAXI AIR rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Custom Comfort
71%
of similar heat pumps beaten by its typical model
Well above average28 models listed
MAXI AIR
75%
of similar heat pumps beaten by its typical model
Well above average10 models listed
- Efficiency on a 5°F dayCOP at 5°FCustom Comfort: Beats 64%MAXI AIR: Beats 51%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCustom Comfort: Beats 71%MAXI AIR: Beats 83%
- Winter-long heating efficiencyHSPF2Custom Comfort: Beats 84%MAXI AIR: Beats 83%
- Summer-long cooling efficiencySEER2Custom Comfort: Beats 69%MAXI AIR: Beats 77%
- Hot-day cooling efficiencyEER2Custom Comfort: Beats 67%MAXI AIR: Beats 77%
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
- Custom Comfort
- 96%
- MAXI AIR
- 100%
Xcel CC
- Custom Comfort
- 100%
- MAXI AIR
- 100%
CEE Advanced
- Custom Comfort
- 4%
- MAXI AIR
- 0%
ENERGY STAR CC
- Custom Comfort
- 100%
- MAXI AIR
- 70%
All-around best, ductless 5 tons and up
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?
Custom Comfort
No ductless, 5 tons and up model from Custom Comfort.
MAXI AIR
No ductless, 5 tons and up model from MAXI AIR.
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