ACC vs Endura: heat pump ratings compared
Against heat pumps of the same size and type, a typical ACC model beats 55% and a typical Endura model 50%. ACC rates slightly higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
ACC
55%
of similar heat pumps beaten by its typical model
About average4 models listed
Endura
50%
of similar heat pumps beaten by its typical model
About average4 models listed
- Efficiency on a 5°F dayCOP at 5°FACC: Beats 67%Endura: Beats 34%
- Heating power kept at 5°FCapacity at 5°F vs 47°FACC: Beats 77%Endura: Beats 64%
- Winter-long heating efficiencyHSPF2ACC: Beats 55%Endura: Beats 51%
- Summer-long cooling efficiencySEER2ACC: Beats 32%Endura: Beats 48%
- Hot-day cooling efficiencyEER2ACC: Beats 12%Endura: Beats 52%
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
- ACC
- 0%
- Endura
- 50%
Xcel CC
- ACC
- 0%
- Endura
- 75%
CEE Advanced
- ACC
- 0%
- Endura
- 0%
ENERGY STAR CC
- ACC
- 0%
- Endura
- 50%
All-around best, ducted 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?
ACC
None of ACC’s ducted, 2.5–3 tons models has all five ratings.
Endura
No ducted, 2.5–3 tons model from Endura.
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