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Dynoaire vs First Co.: heat pump ratings compared

Against heat pumps of the same size and type, a typical Dynoaire model beats 17% and a typical First Co. model 11%. Dynoaire rates higher overall.

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

Dynoaire

17%

of similar heat pumps beaten by its typical model

Well below average

21 models listed

First Co.

11%

of similar heat pumps beaten by its typical model

Well below average

21 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°FDynoaire: Beats 14%First Co.: Beats 34%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDynoaire: Beats 6%First Co.: Beats 12%
  • Winter-long heating efficiencyHSPF2Dynoaire: Beats 22%First Co.: Beats 1%
  • Summer-long cooling efficiencySEER2Dynoaire: Beats 28%First Co.: Beats 0%
  • Hot-day cooling efficiencyEER2Dynoaire: Beats 39%First Co.: Beats 12%

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

    Dynoaire
    0%
    First Co.
    0%

  • Xcel CC

    Dynoaire
    0%
    First Co.
    0%

  • CEE Advanced

    Dynoaire
    0%
    First Co.
    0%

  • ENERGY STAR CC

    Dynoaire
    0%
    First Co.
    0%

All-around best, ducted 2 tons

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?

Dynoaire

  1. 1DPHP4024A1FH000ADynoaire2 tons · 22,800 Btu/h · DuctedNot a cold-climate pick: keeps 36% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    37% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.48 (COP at 5°F)
    Below the middle
    Winter efficiency
    6.7 (HSPF2)
    Below the middle
    Cooling efficiency
    13.4 (SEER2)
    Below the middle
    Hot-day cooling
    10.8 (EER2)
    Below the middle
    8.4score / 100Heating 4 · Cooling 13

First Co.

  1. 124WHHPBAwith ducted air handler 37CLX(*,Q,W)First Co.2 tons · 23,000 Btu/h · DuctedNot a cold-climate pick: keeps 56% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    55% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    6.8 (HSPF2)
    Below the middle
    Cooling efficiency
    13.5 (SEER2)
    Below the middle
    Hot-day cooling
    12.0 (EER2)
    Good
    30.4score / 100Heating 23 · Cooling 38
  2. 2EHE24***D***BFirst Co.Also listed as EHE24***E***B2 tons · 24,400 Btu/h · DuctedNot a cold-climate pick: keeps 51% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    51% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    6.3 (HSPF2)
    Below the middle
    Cooling efficiency
    11.9 (SEER2)
    Below the middle
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    14.0score / 100Heating 23 · Cooling 5
  3. 3EHE30***D***BFirst Co.Also listed as EHE30***E***B2 tons · 26,400 Btu/h · DuctedNot a cold-climate pick: keeps 51% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    51% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    6.3 (HSPF2)
    Below the middle
    Cooling efficiency
    11.9 (SEER2)
    Below the middle
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    11.9score / 100Heating 19 · Cooling 5

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