Skip to content
Rebate.Blue

ARMSCO vs K&A: heat pump ratings compared

Against heat pumps of the same size and type, a typical ARMSCO model beats 22% and a typical K&A model 22%. They are level.

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

ARMSCO

22%

of similar heat pumps beaten by its typical model

Well below average

7 models listed

K&A

22%

of similar heat pumps beaten by its typical model

Well below average

7 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°FARMSCO: Beats 19%K&A: Beats 19%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FARMSCO: Beats 30%K&A: Beats 30%
  • Winter-long heating efficiencyHSPF2ARMSCO: Beats 19%K&A: Beats 19%
  • Summer-long cooling efficiencySEER2ARMSCO: Beats 27%K&A: Beats 27%
  • Hot-day cooling efficiencyEER2ARMSCO: Beats 16%K&A: Beats 16%

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

    ARMSCO
    71%
    K&A
    71%

  • Xcel CC

    ARMSCO
    57%
    K&A
    57%

  • CEE Advanced

    ARMSCO
    0%
    K&A
    0%

  • ENERGY STAR CC

    ARMSCO
    0%
    K&A
    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?

ARMSCO

No ducted, 2.5–3 tons model from ARMSCO.

K&A

No ducted, 2.5–3 tons model from K&A.

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