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COMFORTSTAR heat pumps: how do their ratings compare?

A typical COMFORTSTAR heat pump beats 48% of similar heat pumps (same size and type), which is about average. COMFORTSTAR has 117 heat pump models in this list.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

Overall score

48%

of similar heat pumps beaten by its typical model

About average

COMFORTSTAR has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 108 models with every rating.

COMFORTSTAR, rating by ratingStrongest on winter-long heating efficiency (beats 49%), weakest on hot-day cooling efficiency (beats 44%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 46%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 44%
  • Winter-long heating efficiencyHSPF2Beats 49%
  • Summer-long cooling efficiencySEER2Beats 44%
  • Hot-day cooling efficiencyEER2Beats 44%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want COMFORTSTAR’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 37%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    43 models. All brands: 48%.

    See them

  • 24%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    28 models. All brands: 38%.

    See them

  • 1%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    1 model. All brands: 1%.

    See them

COMFORTSTAR all-around best, by size

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

16 of COMFORTSTAR’s 24 models of this size and type have all five ratings.

  1. 1CMZ-27-3ZCOMFORTSTAR2.5 tons · 28,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    75.4score / 100Heating 65 · Cooling 86
  2. 2CVH-27-3SHCOMFORTSTAR2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    74.6score / 100Heating 67 · Cooling 83
  3. 3CVH-36-4SHCOMFORTSTAR3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 63.7Meets none of the standards tracked here
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.70 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    71.2score / 100Heating 64 · Cooling 79
  4. 4CPH36CD(O)-Bwith ducted air handler AHU36-SG2COMFORTSTAR3 tons · 35,000 Btu/h · DuctedCold-climate pick, score 68.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    16.3 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    68.5score / 100Heating 69 · Cooling 68
  5. 5CHF36CD(O)with ducted air handler CPA-36CCOMFORTSTAR3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 79.9Meets ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.98 (COP at 5°F)
    Good
    Winter efficiency
    11.0 (HSPF2)
    Top 10%
    Cooling efficiency
    16.5 (SEER2)
    Good
    Hot-day cooling
    9.0 (EER2)
    Below the middle
    58.3score / 100Heating 80 · Cooling 37

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has COMFORTSTAR’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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