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Carrier vs Della: heat pump ratings compared

Against heat pumps of the same size and type, a typical Carrier model beats 48% and a typical Della model 48%. They are level.

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

Carrier

48%

of similar heat pumps beaten by its typical model

About average

816 models listed

Della

48%

of similar heat pumps beaten by its typical model

About average

94 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°FCarrier: Beats 56%Della: Beats 43%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCarrier: Beats 34%Della: Beats 44%
  • Winter-long heating efficiencyHSPF2Carrier: Beats 40%Della: Beats 50%
  • Summer-long cooling efficiencySEER2Carrier: Beats 42%Della: Beats 55%
  • Hot-day cooling efficiencyEER2Carrier: Beats 59%Della: Beats 41%

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

    Carrier
    40%
    Della
    68%

  • Xcel CC

    Carrier
    27%
    Della
    66%

  • CEE Advanced

    Carrier
    1%
    Della
    0%

  • ENERGY STAR CC

    Carrier
    27%
    Della
    44%

Top cold-climate picks, ductless 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Carrier

  1. 1D5CPRAH18AAwith ductless indoor unit D5FPHAH18XAKCarrier (sold as Arcoaire)1.5 tons · 18,000 Btu/h · DuctlessKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.34 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    15.2 (HSPF2)
    Top 10%
    96.8score / 100
  2. 237MAHAQ06AA3with ductless indoor unit 45MAHAQ06XA3CarrierAlso sold as Arcoaire D5CSHAH06AAK0.5 tons · 6,000 Btu/h · DuctlessKeeps 110% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    110% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    14.8 (HSPF2)
    Top 10%
    96.7score / 100
  3. 337MARAQ09AA3with ductless indoor unit 45MBFAQ09XA3CarrierAlso sold as Arcoaire D5CSRAH09AAK1 ton · 9,000 Btu/h · DuctlessKeeps 96% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.27 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    13.9 (HSPF2)
    Top 10%
    89.5score / 100

Della

  1. 1048-TPH-MODU-1D3Della1.5 tons · 20,000 Btu/h · DuctlessKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    70.9score / 100
  2. 2048-TLP-MODU-1D2Della1.5 tons · 18,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    68.6score / 100
  3. 3048-MS-18K-MODUDella1.5 tons · 17,700 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    64.5score / 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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