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Della vs MRCOOL: heat pump ratings compared

Against heat pumps of the same size and type, a typical Della model beats 48% and a typical MRCOOL model 53%. MRCOOL rates slightly higher overall.

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

Della

48%

of similar heat pumps beaten by its typical model

About average

94 models listed

MRCOOL

53%

of similar heat pumps beaten by its typical model

About average

92 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°FDella: Beats 43%MRCOOL: Beats 50%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDella: Beats 44%MRCOOL: Beats 50%
  • Winter-long heating efficiencyHSPF2Della: Beats 50%MRCOOL: Beats 56%
  • Summer-long cooling efficiencySEER2Della: Beats 55%MRCOOL: Beats 54%
  • Hot-day cooling efficiencyEER2Della: Beats 41%MRCOOL: Beats 49%

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

    Della
    68%
    MRCOOL
    67%
  • Xcel CC

    Della
    66%
    MRCOOL
    58%
  • CEE Advanced

    Della
    0%
    MRCOOL
    0%
  • ENERGY STAR CC

    Della
    44%
    MRCOOL
    57%

Top cold-climate picks, ducted 2.5–3 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.

Della

  1. 1048-TPH-MODU-1D4Della2.5 tons · 27,000 Btu/h · DuctedKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    63.1score / 100
  2. 2048-TPH-MODU-1D5Della3 tons · 36,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets 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
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    59.7score / 100
  3. 3048-T-36K-ODU-Twith ducted air handler 048-T-36K-IDUDella3 tons · 34,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    55.4score / 100

MRCOOL

  1. 1UHP18030-Owith ducted air handler UAH18030 - OMRCOOL2.5 tons · 30,000 Btu/h · DuctedKeeps 101% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.8 (HSPF2)
    Top 10%
    77.0score / 100
  2. 2CENTRAL-36-HP-C-230B00-Owith ducted air handler MVP-36-HP-MUAH-230A00-OMRCOOL3 tons · 36,000 Btu/h · DuctedKeeps 105% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    105% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.3 (HSPF2)
    Top 10%
    73.1score / 100
  3. 3UHP18036-Owith ducted air handler UAH18036 - OMRCOOL3 tons · 36,000 Btu/h · DuctedKeeps 101% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    70.4score / 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.

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