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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 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

ARMSCO

No ducted, 3.5–4.5 tons model from ARMSCO.

Bestcold

No ducted, 3.5–4.5 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