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MRCOOL heat pumps: how do their ratings compare?

A typical MRCOOL heat pump beats 53% of similar heat pumps (same size and type), which is about average. MRCOOL has 92 heat pump models in this list.

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

Overall score

53%

of similar heat pumps beaten by its typical model

About average

Ranked 17 among brands with a QMID on file. Based on 103 models with every rating.

MRCOOL, rating by ratingStrongest on winter-long heating efficiency (beats 56%), weakest on hot-day cooling efficiency (beats 49%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 50%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 50%
  • Winter-long heating efficiencyHSPF2Beats 56%
  • Summer-long cooling efficiencySEER2Beats 54%
  • Hot-day cooling efficiencyEER2Beats 49%

Average (50%)

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

Want MRCOOL’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.

  • 67%

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

    62 models. All brands: 57%.

    See them

  • 58%

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

    53 models. All brands: 53%.

    See them

  • 0%

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

    None of its models yet. All brands: 3%.

MRCOOL 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 tons (21,000–26,999 Btu/h cooling). What size is my system?

11 of MRCOOL’s 12 models of this size and type have all five ratings.

  1. 1O-ES-24-HP-C-230C-O1with ducted air handler O-18-HP-WMAH-235C-OMRCOOL2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 86.4Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.18 (COP at 5°F)
    Good
    Winter efficiency
    11.7 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    78.7score / 100Heating 86 · Cooling 71
  2. 2O-HH-24-HP-C-230C-Owith ducted air handler DUCT-24HP-230B-OMRCOOL2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 85.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.18 (COP at 5°F)
    Good
    Winter efficiency
    11.7 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    78.4score / 100Heating 86 · Cooling 71
  3. 3UHP18024-Owith ducted air handler UAH18024 - OMRCOOL2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 75.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    18.6 (SEER2)
    Good
    Hot-day cooling
    12.0 (EER2)
    Good
    71.7score / 100Heating 76 · Cooling 68
  4. 4DIY-MULTI4-27HP230D-OMRCOOL2 tons · 26,000 Btu/h · DuctedCold-climate pick, score 59.5Meets 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
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    68.3score / 100Heating 60 · Cooling 77
  5. 5DIY-24-HP-C-230D25-Owith ducted air handler DIY-24-HP-MUAH-230D25-OMRCOOL2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 70.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    91% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    9.1 (HSPF2)
    Good
    Cooling efficiency
    19.4 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    68.0score / 100Heating 71 · Cooling 65

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 MRCOOL’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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