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Everwell vs TEMP SHIFT: heat pump ratings compared

Against heat pumps of the same size and type, a typical Everwell model beats 27% and a typical TEMP SHIFT model 66%. TEMP SHIFT rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Everwell

27%

of similar heat pumps beaten by its typical model

Well below average

14 models listed

TEMP SHIFT

66%

of similar heat pumps beaten by its typical model

Well above average

19 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 37%TEMP SHIFT: Beats 52%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FEverwell: Beats 20%TEMP SHIFT: Beats 79%
  • Winter-long heating efficiencyHSPF2Everwell: Beats 28%TEMP SHIFT: Beats 79%
  • Summer-long cooling efficiencySEER2Everwell: Beats 26%TEMP SHIFT: Beats 61%
  • Hot-day cooling efficiencyEER2Everwell: Beats 30%TEMP SHIFT: Beats 62%

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
    14%
    TEMP SHIFT
    95%

  • Xcel CC

    Everwell
    14%
    TEMP SHIFT
    90%

  • CEE Advanced

    Everwell
    0%
    TEMP SHIFT
    5%

  • ENERGY STAR CC

    Everwell
    0%
    TEMP SHIFT
    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?

Everwell

  1. 1CAC1814HA15with ducted air handler A(E,F)W18J+TDREverwell1.5 tons · 17,100 Btu/h · DuctedNot a cold-climate pick: keeps 42% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    42% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.78 (COP at 5°F)
    Below the middle
    Winter efficiency
    7.5 (HSPF2)
    Below the middle
    Cooling efficiency
    14.3 (SEER2)
    Below the middle
    Hot-day cooling
    11.4 (EER2)
    Below the middle
    22.4score / 100Heating 16 · Cooling 29

TEMP SHIFT

  1. 1TSSZHH092R5with ducted air handler TSDT092R5TEMP SHIFT1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 79.9Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    120% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Winter efficiency
    13.8 (HSPF2)
    Top 10%
    Cooling efficiency
    20.5 (SEER2)
    Top 10%
    Hot-day cooling
    14.0 (EER2)
    Top 10%
    86.5score / 100Heating 80 · Cooling 93
  2. 2TSMZHH183Z2R5TEMP SHIFT1.5 tons · 19,000 Btu/h · DuctedCold-climate pick, score 70.8Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Great
    77.4score / 100Heating 71 · Cooling 84
  3. 3TSSZHH122R5with ducted air handler TSDT122R5TEMP SHIFT1 ton · 12,000 Btu/h · DuctedCold-climate pick, score 78.6Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Good
    Winter efficiency
    10.6 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    77.1score / 100Heating 79 · Cooling 76

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