ADB vs Coast Air: heat pump ratings compared
Against heat pumps of the same size and type, a typical ADB model beats 63% and a typical Coast Air model 67%. Coast Air rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
ADB
63%
of similar heat pumps beaten by its typical model
Well above average4 models listed
Coast Air
67%
of similar heat pumps beaten by its typical model
Well above average4 models listed
- Efficiency on a 5°F dayCOP at 5°FADB: Beats 32%Coast Air: Beats 76%
- Heating power kept at 5°FCapacity at 5°F vs 47°FADB: Beats 63%Coast Air: Beats 29%
- Winter-long heating efficiencyHSPF2ADB: Beats 67%Coast Air: Beats 75%
- Summer-long cooling efficiencySEER2ADB: Beats 84%Coast Air: Beats 72%
- Hot-day cooling efficiencyEER2ADB: Beats 61%Coast Air: Beats 75%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- ADB
- 100%
- Coast Air
- 100%
Xcel CC
- ADB
- 100%
- Coast Air
- 75%
CEE Advanced
- ADB
- 0%
- Coast Air
- 0%
ENERGY STAR CC
- ADB
- 100%
- Coast Air
- 75%
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?
ADB
No ducted, 2.5–3 tons model from ADB.
Coast Air
No ducted, 2.5–3 tons model from Coast 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.
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