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Clima Smart vs ULTRA MAXI AIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical Clima Smart model beats 61% and a typical ULTRA MAXI AIR model 31%. Clima Smart rates higher overall.

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

Clima Smart

61%

of similar heat pumps beaten by its typical model

Well above average

4 models listed

ULTRA MAXI AIR

31%

of similar heat pumps beaten by its typical model

Well below average

4 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°FClima Smart: Beats 81%ULTRA MAXI AIR: Beats 35%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FClima Smart: Beats 50%ULTRA MAXI AIR: Beats 7%
  • Winter-long heating efficiencyHSPF2Clima Smart: Beats 47%ULTRA MAXI AIR: Beats 38%
  • Summer-long cooling efficiencySEER2Clima Smart: Beats 62%ULTRA MAXI AIR: Beats 42%
  • Hot-day cooling efficiencyEER2Clima Smart: Beats 64%ULTRA MAXI AIR: Beats 26%

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

    Clima Smart
    100%
    ULTRA MAXI AIR
    25%

  • Xcel CC

    Clima Smart
    75%
    ULTRA MAXI AIR
    0%

  • CEE Advanced

    Clima Smart
    0%
    ULTRA MAXI AIR
    0%

  • ENERGY STAR CC

    Clima Smart
    0%
    ULTRA MAXI AIR
    0%

All-around best, ducted 2.5–3 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating 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?

Clima Smart

No ducted, 2.5–3 tons model from Clima Smart.

ULTRA MAXI AIR

No ducted, 2.5–3 tons model from ULTRA MAXI 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