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IAIRE vs KeplerX: heat pump ratings compared

One of these brands has too few models with every rating for an overall score; see each rating below.

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

IAIRE

—

of similar heat pumps beaten by its typical model

Not enough rated models

8 models listed

KeplerX

53%

of similar heat pumps beaten by its typical model

About average

8 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°FIAIRE: Not ratedKeplerX: Beats 49%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FIAIRE: Not ratedKeplerX: Beats 78%
  • Winter-long heating efficiencyHSPF2IAIRE: Beats 44%KeplerX: Beats 33%
  • Summer-long cooling efficiencySEER2IAIRE: Beats 59%KeplerX: Beats 22%
  • Hot-day cooling efficiencyEER2IAIRE: Beats 49%KeplerX: Beats 54%

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

    IAIRE
    0%
    KeplerX
    0%

  • Xcel CC

    IAIRE
    0%
    KeplerX
    0%

  • CEE Advanced

    IAIRE
    0%
    KeplerX
    0%

  • ENERGY STAR CC

    IAIRE
    0%
    KeplerX
    0%

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?

IAIRE

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

KeplerX

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

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