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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 14% and a typical TEMP SHIFT model 59%. TEMP SHIFT 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

TEMP SHIFT

59%

of similar heat pumps beaten by its typical model

Above average

28 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%TEMP SHIFT: Beats 47%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FEverwell: Beats 16%TEMP SHIFT: Beats 73%
  • Winter-long heating efficiencyHSPF2Everwell: Beats 16%TEMP SHIFT: Beats 74%
  • Summer-long cooling efficiencySEER2Everwell: Beats 22%TEMP SHIFT: Beats 60%
  • Hot-day cooling efficiencyEER2Everwell: Beats 27%TEMP SHIFT: Beats 47%

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%
    TEMP SHIFT
    68%

  • Xcel CC

    Everwell
    0%
    TEMP SHIFT
    68%

  • CEE Advanced

    Everwell
    0%
    TEMP SHIFT
    0%

  • ENERGY STAR CC

    Everwell
    0%
    TEMP SHIFT
    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?

Everwell

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

TEMP SHIFT

  1. 1TSMOX33009HFN1MY5Wwith ducted air handler TSMTIU09HWFN1MTEMP SHIFT1 ton · 9,000 Btu/h · DuctedKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    12.0 (HSPF2)
    Top 10%
    74.9score / 100
  2. 2TSMOX33012HFN1MW5Wwith ducted air handler TSMTIU12HWFN1MTEMP SHIFT1 ton · 12,000 Btu/h · DuctedKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.96 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    65.4score / 100
  3. 3TSMOX430U18HFN1Mwith ducted air handler TSMAC24HWDN1MN0TEMP SHIFT1.5 tons · 18,000 Btu/h · DuctedKeeps 79% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    9.5 (HSPF2)
    Good
    63.7score / 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