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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 average

27 models listed

HAXXAIR

57%

of similar heat pumps beaten by its typical model

Above average

26 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • 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

Share of each brand’s models that meet the level. Programs can have other rules too.
  • 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.

Everwell

None of Everwell’s ductless, up to 1.5 tons models qualifies.

HAXXAIR

  1. 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
    73.0score / 100
  2. 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
    66.6score / 100
  3. 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
    60.5score / 100

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