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COSTWAY vs GARVEE: heat pump ratings compared

Against heat pumps of the same size and type, a typical COSTWAY model beats 46% and a typical GARVEE model 39%. COSTWAY rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

COSTWAY

46%

of similar heat pumps beaten by its typical model

About average

47 models listed

GARVEE

39%

of similar heat pumps beaten by its typical model

Well below average

46 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°FCOSTWAY: Beats 57%GARVEE: Beats 47%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCOSTWAY: Beats 35%GARVEE: Beats 36%
  • Winter-long heating efficiencyHSPF2COSTWAY: Beats 45%GARVEE: Beats 39%
  • Summer-long cooling efficiencySEER2COSTWAY: Beats 49%GARVEE: Beats 40%
  • Hot-day cooling efficiencyEER2COSTWAY: Beats 36%GARVEE: Beats 34%

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

    COSTWAY
    64%
    GARVEE
    74%

  • Xcel CC

    COSTWAY
    43%
    GARVEE
    70%

  • CEE Advanced

    COSTWAY
    0%
    GARVEE
    0%

  • ENERGY STAR CC

    COSTWAY
    30%
    GARVEE
    13%

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?

COSTWAY

No ducted, up to 1.5 tons model from COSTWAY.

GARVEE

No ducted, up to 1.5 tons model from GARVEE.

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