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A/H EDEN vs DiamondAir: heat pump ratings compared
One of these brands has too few models with every rating for an overall score; see each rating below.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
A/H EDEN
34%
of similar heat pumps beaten by its typical model
Well below average7 models listed
DiamondAir
—
of similar heat pumps beaten by its typical model
Not enough rated models7 models listed
- Efficiency on a 5°F dayCOP at 5°FA/H EDEN: Beats 43%DiamondAir: Not rated
- Heating power kept at 5°FCapacity at 5°F vs 47°FA/H EDEN: Beats 31%DiamondAir: Not rated
- Winter-long heating efficiencyHSPF2A/H EDEN: Beats 45%DiamondAir: Beats 26%
- Summer-long cooling efficiencySEER2A/H EDEN: Beats 31%DiamondAir: Beats 21%
- Hot-day cooling efficiencyEER2A/H EDEN: Beats 26%DiamondAir: Beats 60%
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
- A/H EDEN
- 86%
- DiamondAir
- 0%
Xcel CC
- A/H EDEN
- 57%
- DiamondAir
- 0%
CEE Advanced
- A/H EDEN
- 0%
- DiamondAir
- 0%
ENERGY STAR CC
- A/H EDEN
- 0%
- DiamondAir
- 0%
All-around best, ducted up to 1.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
A/H EDEN
No ducted, up to 1.5 tons model from A/H EDEN.
DiamondAir
None of DiamondAir’s ducted, up to 1.5 tons models has all five ratings.
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