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ABCOOLAIR vs Rethink Rental: heat pump ratings compared

Against heat pumps of the same size and type, a typical ABCOOLAIR model beats 58% and a typical Rethink Rental model 35%. ABCOOLAIR rates higher overall.

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

ABCOOLAIR

58%

of similar heat pumps beaten by its typical model

Above average

6 models listed

Rethink Rental

35%

of similar heat pumps beaten by its typical model

Well below 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°FABCOOLAIR: Beats 52%Rethink Rental: Beats 51%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FABCOOLAIR: Beats 29%Rethink Rental: Beats 21%
  • Winter-long heating efficiencyHSPF2ABCOOLAIR: Beats 55%Rethink Rental: Beats 30%
  • Summer-long cooling efficiencySEER2ABCOOLAIR: Beats 51%Rethink Rental: Beats 40%
  • Hot-day cooling efficiencyEER2ABCOOLAIR: Beats 91%Rethink Rental: Beats 33%

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

    ABCOOLAIR
    50%
    Rethink Rental
    67%

  • Xcel CC

    ABCOOLAIR
    0%
    Rethink Rental
    33%

  • CEE Advanced

    ABCOOLAIR
    0%
    Rethink Rental
    0%

  • ENERGY STAR CC

    ABCOOLAIR
    0%
    Rethink Rental
    0%

All-around best, ductless up to 1.5 tons

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

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

ABCOOLAIR

No ductless, up to 1.5 tons model from ABCOOLAIR.

Rethink Rental

  1. 1SAC9K-3/4TODwith ductless indoor unit SAC9K-3/4TIDRethink Rental1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 39.4Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Winter efficiency
    9.4 (HSPF2)
    Below the middle
    Cooling efficiency
    21.6 (SEER2)
    Good
    Hot-day cooling
    12.6 (EER2)
    Good
    49.2score / 100Heating 39 · Cooling 59
  2. 2SAC18K-1.5TODwith ductless indoor unit SAC18K-1.5TIDRethink Rental1.5 tons · 18,000 Btu/h · DuctlessNot a cold-climate pick: keeps 61% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    61% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Winter efficiency
    9.1 (HSPF2)
    Below the middle
    Cooling efficiency
    20.2 (SEER2)
    Below the middle
    Hot-day cooling
    11.5 (EER2)
    Below the middle
    34.3score / 100Heating 33 · Cooling 35
  3. 3SAC12K-1TODwith ductless indoor unit SAC12K-1TIDRethink Rental1 ton · 12,000 Btu/h · DuctlessNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.2 (HSPF2)
    Below the middle
    Cooling efficiency
    21.3 (SEER2)
    Below the middle
    Hot-day cooling
    10.8 (EER2)
    Below the middle
    31.0score / 100Heating 24 · Cooling 38

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.

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