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Live cool vs SLOMIN'S: heat pump ratings compared

Against heat pumps of the same size and type, a typical Live cool model beats 57% and a typical SLOMIN'S model 36%. Live cool rates higher overall.

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

Live cool

57%

of similar heat pumps beaten by its typical model

Above average

10 models listed

SLOMIN'S

36%

of similar heat pumps beaten by its typical model

Well below average

10 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°FLive cool: Beats 44%SLOMIN'S: Beats 39%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLive cool: Beats 37%SLOMIN'S: Beats 43%
  • Winter-long heating efficiencyHSPF2Live cool: Beats 57%SLOMIN'S: Beats 37%
  • Summer-long cooling efficiencySEER2Live cool: Beats 74%SLOMIN'S: Beats 45%
  • Hot-day cooling efficiencyEER2Live cool: Beats 63%SLOMIN'S: Beats 17%

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

    Live cool
    100%
    SLOMIN'S
    80%

  • Xcel CC

    Live cool
    100%
    SLOMIN'S
    60%

  • CEE Advanced

    Live cool
    0%
    SLOMIN'S
    0%

  • ENERGY STAR CC

    Live cool
    90%
    SLOMIN'S
    0%

All-around best, ducted up to 1.5 tons

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

Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Live cool

No ducted, up to 1.5 tons model from Live cool.

SLOMIN'S

No ducted, up to 1.5 tons model from SLOMIN'S.

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