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InfinityLiving vs MITS AIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical InfinityLiving model beats 45% and a typical MITS AIR model 42%. InfinityLiving rates slightly higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

InfinityLiving

45%

of similar heat pumps beaten by its typical model

About average

16 models listed

MITS AIR

42%

of similar heat pumps beaten by its typical model

Below average

16 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°FInfinityLiving: Beats 42%MITS AIR: Beats 46%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FInfinityLiving: Beats 43%MITS AIR: Beats 50%
  • Winter-long heating efficiencyHSPF2InfinityLiving: Beats 54%MITS AIR: Beats 68%
  • Summer-long cooling efficiencySEER2InfinityLiving: Beats 51%MITS AIR: Beats 39%
  • Hot-day cooling efficiencyEER2InfinityLiving: Beats 36%MITS AIR: Beats 20%

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

    InfinityLiving
    56%
    MITS AIR
    31%

  • Xcel CC

    InfinityLiving
    25%
    MITS AIR
    50%

  • CEE Advanced

    InfinityLiving
    0%
    MITS AIR
    0%

  • ENERGY STAR CC

    InfinityLiving
    38%
    MITS AIR
    56%

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?

InfinityLiving

  1. 1EZ-18Z-M2InfinityLiving1.5 tons · 18,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.87 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.6 (HSPF2)
    Good
    53.6score / 100

MITS AIR

No ductless, up to 1.5 tons model from MITS AIR.

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