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AIRSTAR vs DWVO: heat pump ratings compared
Against heat pumps of the same size and type, a typical AIRSTAR model beats 60% and a typical DWVO model 22%. AIRSTAR rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
AIRSTAR
60%
of similar heat pumps beaten by its typical model
Well above average3 models listed
DWVO
22%
of similar heat pumps beaten by its typical model
Well below average3 models listed
- Efficiency on a 5°F dayCOP at 5°FAIRSTAR: Beats 34%DWVO: Beats 14%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAIRSTAR: Beats 53%DWVO: Beats 31%
- Winter-long heating efficiencyHSPF2AIRSTAR: Beats 58%DWVO: Beats 10%
- Summer-long cooling efficiencySEER2AIRSTAR: Beats 73%DWVO: Beats 25%
- Hot-day cooling efficiencyEER2AIRSTAR: Beats 73%DWVO: Beats 25%
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
- AIRSTAR
- 100%
- DWVO
- 33%
Xcel CC
- AIRSTAR
- 100%
- DWVO
- 67%
CEE Advanced
- AIRSTAR
- 0%
- DWVO
- 0%
ENERGY STAR CC
- AIRSTAR
- 0%
- DWVO
- 0%
Top cold-climate picks, ducted up to 1.5 tons
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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
AIRSTAR
No ducted, up to 1.5 tons model from AIRSTAR.
DWVO
No ducted, up to 1.5 tons model from DWVO.
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