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ARMSCO vs Bestcold: heat pump ratings compared

Against heat pumps of the same size and type, a typical ARMSCO model beats 22% and a typical Bestcold 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

Bestcold

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%Bestcold: Beats 19%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FARMSCO: Beats 30%Bestcold: Beats 30%
  • Winter-long heating efficiencyHSPF2ARMSCO: Beats 19%Bestcold: Beats 19%
  • Summer-long cooling efficiencySEER2ARMSCO: Beats 27%Bestcold: Beats 27%
  • Hot-day cooling efficiencyEER2ARMSCO: Beats 16%Bestcold: 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%
    Bestcold
    71%

  • Xcel CC

    ARMSCO
    57%
    Bestcold
    57%

  • CEE Advanced

    ARMSCO
    0%
    Bestcold
    0%

  • ENERGY STAR CC

    ARMSCO
    0%
    Bestcold
    0%

Top cold-climate picks, ducted 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 Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

ARMSCO

No ducted, up to 1.5 tons model from ARMSCO.

Bestcold

No ducted, up to 1.5 tons model from Bestcold.

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