Armbridge vs IWAE: heat pump ratings compared
Against heat pumps of the same size and type, a typical Armbridge model beats 55% and a typical IWAE model 52%. Armbridge rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Armbridge
55%
of similar heat pumps beaten by its typical model
About average23 models listed
IWAE
52%
of similar heat pumps beaten by its typical model
About average23 models listed
- Efficiency on a 5°F dayCOP at 5°FArmbridge: Beats 46%IWAE: Beats 26%
- Heating power kept at 5°FCapacity at 5°F vs 47°FArmbridge: Beats 50%IWAE: Beats 61%
- Winter-long heating efficiencyHSPF2Armbridge: Beats 62%IWAE: Beats 35%
- Summer-long cooling efficiencySEER2Armbridge: Beats 64%IWAE: Beats 40%
- Hot-day cooling efficiencyEER2Armbridge: Beats 49%IWAE: Beats 36%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- Armbridge
- 57%
- IWAE
- 35%
Xcel CC
- Armbridge
- 61%
- IWAE
- 35%
CEE Advanced
- Armbridge
- 4%
- IWAE
- 0%
ENERGY STAR CC
- Armbridge
- 39%
- IWAE
- 26%
Top cold-climate picks, ducted 5 tons and up
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, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?
Armbridge
No ducted, 5 tons and up model from Armbridge.
IWAE
No ducted, 5 tons and up model from IWAE.
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.
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