Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
Everwell vs HAXXAIR: heat pump ratings compared
Against heat pumps of the same size and type, a typical Everwell model beats 14% and a typical HAXXAIR model 57%. HAXXAIR rates higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
Everwell
14%
of similar heat pumps beaten by its typical model
Well below average27 models listed
HAXXAIR
57%
of similar heat pumps beaten by its typical model
Above average26 models listed
- Efficiency on a 5°F dayCOP at 5°FEverwell: Beats 22%HAXXAIR: Beats 58%
- Heating power kept at 5°FCapacity at 5°F vs 47°FEverwell: Beats 16%HAXXAIR: Beats 68%
- Winter-long heating efficiencyHSPF2Everwell: Beats 16%HAXXAIR: Beats 46%
- Summer-long cooling efficiencySEER2Everwell: Beats 22%HAXXAIR: Beats 49%
- Hot-day cooling efficiencyEER2Everwell: Beats 27%HAXXAIR: Beats 44%
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
- Everwell
- 0%
- HAXXAIR
- 65%
Xcel CC
- Everwell
- 0%
- HAXXAIR
- 65%
CEE Advanced
- Everwell
- 0%
- HAXXAIR
- 0%
ENERGY STAR CC
- Everwell
- 0%
- HAXXAIR
- 58%
Top cold-climate picks, ductless 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
Everwell
None of Everwell’s ductless, up to 1.5 tons models qualifies.
HAXXAIR
- 1HVHSC-18T2Dwith ductless indoor unit HAHC-18T2DHAXXAIR1.5 tons · 18,000 Btu/h · DuctlessKeeps 73% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 73% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.36 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 10.0 (HSPF2)
- Good
- 2HVHSC-12T2Dwith ductless indoor unit HAHC-12T2DHAXXAIR1 ton · 12,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.31 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 9.5 (HSPF2)
- Good
- 3HAH-09T2Dwith ductless indoor unit HVH-09T2DHAXXAIRAlso listed as HVH-09T2D1 ton · 9,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 80% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.07 (COP at 5°F)
- Good
- Seasonal efficiency
- 9.0 (HSPF2)
- Below the middle
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