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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%

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.

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

First Co.

None of First Co.’s ducted, 2.5–3 tons models qualifies.

MITS AIR

  1. 1MAMOX630-36HFN10-M3Xwith ducted air handler MAMVBC-36HWFN10-MC3E-DMITS AIR3 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
  2. 2MAMOD30-30HFN10-M3Xwith ducted air handler MAMVBM-36B24T4N10MITS AIR2.5 tons · 29,000 Btu/h · DuctedKeeps 107% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    107% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.6 (HSPF2)
    Great
    68.8score / 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.

Open the advanced view