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Coast Air vs Live cool: heat pump ratings compared

Against heat pumps of the same size and type, a typical Coast Air model beats 67% and a typical Live cool model 57%. Coast Air rates higher overall.

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

Coast Air

67%

of similar heat pumps beaten by its typical model

Well above average

4 models listed

Live cool

57%

of similar heat pumps beaten by its typical model

Above 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°FCoast Air: Beats 76%Live cool: Beats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCoast Air: Beats 29%Live cool: Beats 37%
  • Winter-long heating efficiencyHSPF2Coast Air: Beats 75%Live cool: Beats 57%
  • Summer-long cooling efficiencySEER2Coast Air: Beats 72%Live cool: Beats 74%
  • Hot-day cooling efficiencyEER2Coast Air: Beats 75%Live cool: Beats 63%

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

    Coast Air
    100%
    Live cool
    100%

  • Xcel CC

    Coast Air
    75%
    Live cool
    100%

  • CEE Advanced

    Coast Air
    0%
    Live cool
    0%

  • ENERGY STAR CC

    Coast Air
    75%
    Live cool
    90%

Top cold-climate picks, ducted 2 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, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Coast Air

No ducted, 2 tons model from Coast Air.

Live cool

No ducted, 2 tons model from Live cool.

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