Skip to content
Rebate.Blue

Coast Air vs Live cool: heat pump ratings compared

Against heat pumps of the same size and type, a typical Coast Air model beats 50% and a typical Live cool model 52%. Live cool rates slightly higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

Coast Air

50%

of similar heat pumps beaten by its typical model

About average

6 models listed

Live cool

52%

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°FCoast Air: Beats 52%Live cool: Beats 23%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCoast Air: Beats 16%Live cool: Beats 50%
  • Winter-long heating efficiencyHSPF2Coast Air: Beats 46%Live cool: Beats 47%
  • Summer-long cooling efficiencySEER2Coast Air: Beats 54%Live cool: Beats 68%
  • Hot-day cooling efficiencyEER2Coast Air: Beats 48%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
    67%
    Live cool
    100%

  • Xcel CC

    Coast Air
    0%
    Live cool
    67%

  • CEE Advanced

    Coast Air
    0%
    Live cool
    0%

  • ENERGY STAR CC

    Coast Air
    0%
    Live cool
    67%

Top cold-climate picks, ductless 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Coast Air

None of Coast Air’s ductless, up to 1.5 tons models qualifies.

Live cool

  1. 1LWSM-12IR410AHS23with ductless indoor unit LWSM-12IR410AHS23Live cool1 ton · 12,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Good
    47.5score / 100
  2. 2LWSM-09IR410AHS23with ductless indoor unit LWSM-09IR410AHS23Live cool1 ton · 9,000 Btu/h · DuctlessKeeps 77% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.2 (HSPF2)
    Good
    45.8score / 100
  3. 3LWSM-09IR410AHS22Lwith ductless indoor unit LWSM-09IR410AHS22LLive cool1 ton · 9,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Below the middle
    39.9score / 100

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