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Della vs ForestAir: heat pump ratings compared

Against heat pumps of the same size and type, a typical Della model beats 48% and a typical ForestAir model 63%. ForestAir rates 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

ForestAir

63%

of similar heat pumps beaten by its typical model

Well above average

33 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%ForestAir: Beats 46%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDella: Beats 44%ForestAir: Beats 59%
  • Winter-long heating efficiencyHSPF2Della: Beats 50%ForestAir: Beats 64%
  • Summer-long cooling efficiencySEER2Della: Beats 55%ForestAir: Beats 80%
  • Hot-day cooling efficiencyEER2Della: Beats 41%ForestAir: Beats 61%

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%
    ForestAir
    97%

  • Xcel CC

    Della
    66%
    ForestAir
    97%

  • CEE Advanced

    Della
    0%
    ForestAir
    3%

  • ENERGY STAR CC

    Della
    44%
    ForestAir
    42%

All-around best, ductless 2 tons

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

Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Della

  1. 1048-MS-24K2VR-22S-MX-OUTwith ductless indoor unit 048-MS-24K2VR-22S-MX-INDella2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 77.5Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    22.0 (SEER2)
    Good
    Hot-day cooling
    12.0 (EER2)
    Good
    68.1score / 100Heating 78 · Cooling 59
  2. 2048-MS-24K2VR-22S-M-OUTwith ductless indoor unit 048-MS-24K2VR-22S-M-INDella2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 77.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    22.0 (SEER2)
    Good
    Hot-day cooling
    12.0 (EER2)
    Good
    68.0score / 100Heating 77 · Cooling 59
  3. 3048-MS-24K2VR-21S-OUTwith ductless indoor unit 048-MS-24K2VR-21S-QC-INDella2 tons · 22,000 Btu/h · DuctlessNot a cold-climate pick: keeps 24% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    24% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.27 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.0 (EER2)
    Great
    58.7score / 100Heating 53 · Cooling 65

ForestAir

  1. 1FA-H24-D24TL-O-454with ductless indoor unit FA-K24-D24TL-I-454ForestAir2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 58.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.4 (HSPF2)
    Great
    Cooling efficiency
    22.5 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    56.5score / 100Heating 59 · Cooling 54
  2. 2FA-HY24-D24TL-O-454with ductless indoor unit FA-HY24-D24TL-I-454ForestAir2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 58.0Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    22.5 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    56.1score / 100Heating 58 · Cooling 54
  3. 3FA-H24-D24TL/O-454with ductless indoor unit FA-H24-D24TL/I-454ForestAir2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 37.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    48.8score / 100Heating 38 · Cooling 60

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