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First Co. vs TK'S: heat pump ratings compared

Against heat pumps of the same size and type, a typical First Co. model beats 7% and a typical TK'S model 48%. TK'S rates higher overall.

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

First Co.

7%

of similar heat pumps beaten by its typical model

Well below average

16 models listed

TK'S

48%

of similar heat pumps beaten by its typical model

About average

15 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 16%TK'S: Beats 34%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FFirst Co.: Beats 9%TK'S: Beats 31%
  • Winter-long heating efficiencyHSPF2First Co.: Beats 2%TK'S: Beats 58%
  • Summer-long cooling efficiencySEER2First Co.: Beats 1%TK'S: Beats 64%
  • Hot-day cooling efficiencyEER2First Co.: Beats 10%TK'S: 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%
    TK'S
    67%

  • Xcel CC

    First Co.
    0%
    TK'S
    20%

  • CEE Advanced

    First Co.
    0%
    TK'S
    0%

  • ENERGY STAR CC

    First Co.
    0%
    TK'S
    0%

Top cold-climate picks, ductless 2 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, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

First Co.

No ductless, 2 tons model from First Co..

TK'S

None of TK'S’s ductless, 2 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