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Bestcold vs GENERALLUX STAR: heat pump ratings compared

Against heat pumps of the same size and type, a typical Bestcold model beats 46% and a typical GENERALLUX STAR model 50%. GENERALLUX STAR rates slightly higher overall.

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

Bestcold

46%

of similar heat pumps beaten by its typical model

About average

79 models listed

GENERALLUX STAR

50%

of similar heat pumps beaten by its typical model

About average

6 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°FBestcold: Beats 45%GENERALLUX STAR: Beats 55%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBestcold: Beats 43%GENERALLUX STAR: Beats 60%
  • Winter-long heating efficiencyHSPF2Bestcold: Beats 48%GENERALLUX STAR: Beats 42%
  • Summer-long cooling efficiencySEER2Bestcold: Beats 51%GENERALLUX STAR: Beats 48%
  • Hot-day cooling efficiencyEER2Bestcold: Beats 39%GENERALLUX STAR: 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

    Bestcold
    68%
    GENERALLUX STAR
    100%

  • Xcel CC

    Bestcold
    66%
    GENERALLUX STAR
    83%

  • CEE Advanced

    Bestcold
    1%
    GENERALLUX STAR
    0%

  • ENERGY STAR CC

    Bestcold
    10%
    GENERALLUX STAR
    0%

All-around best, ductless 5 tons and up

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?

Bestcold

No ductless, 5 tons and up model from Bestcold.

GENERALLUX STAR

No ductless, 5 tons and up model from GENERALLUX STAR.

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