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First Co. vs MITS AIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical First Co. model beats 11% and a typical MITS AIR model 58%. MITS AIR rates higher overall.

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

First Co.

11%

of similar heat pumps beaten by its typical model

Well below average

21 models listed

MITS AIR

58%

of similar heat pumps beaten by its typical model

Above average

6 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°FFirst Co.: Beats 34%MITS AIR: Beats 42%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FFirst Co.: Beats 12%MITS AIR: Beats 80%
  • Winter-long heating efficiencyHSPF2First Co.: Beats 1%MITS AIR: Beats 76%
  • Summer-long cooling efficiencySEER2First Co.: Beats 0%MITS AIR: Beats 55%
  • Hot-day cooling efficiencyEER2First Co.: Beats 12%MITS AIR: Beats 47%

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

    First Co.
    0%
    MITS AIR
    100%
  • Xcel CC

    First Co.
    0%
    MITS AIR
    100%
  • CEE Advanced

    First Co.
    0%
    MITS AIR
    0%
  • ENERGY STAR CC

    First Co.
    0%
    MITS AIR
    100%

All-around best, ducted 2 tons

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

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

MITS AIR

  1. 1MAMOX430-24HFN10-M3Xwith ducted air handler MAMVBC-24HWFN10-MB3E-DMITS AIR2 tons · 23,000 Btu/h · DuctedCold-climate pick, score 66.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.87 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    18.3 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    61.0score / 100Heating 66 · Cooling 56

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