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A/H EDEN vs RIIM: heat pump ratings compared

One of these brands has too few models with every rating for an overall score; see each rating below.

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

A/H EDEN

34%

of similar heat pumps beaten by its typical model

Well below average

7 models listed

RIIM

—

of similar heat pumps beaten by its typical model

Not enough rated models

7 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°FA/H EDEN: Beats 43%RIIM: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FA/H EDEN: Beats 31%RIIM: Not rated
  • Winter-long heating efficiencyHSPF2A/H EDEN: Beats 45%RIIM: Beats 26%
  • Summer-long cooling efficiencySEER2A/H EDEN: Beats 31%RIIM: Beats 21%
  • Hot-day cooling efficiencyEER2A/H EDEN: Beats 26%RIIM: Beats 49%

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

    A/H EDEN
    86%
    RIIM
    0%

  • Xcel CC

    A/H EDEN
    57%
    RIIM
    0%

  • CEE Advanced

    A/H EDEN
    0%
    RIIM
    0%

  • ENERGY STAR CC

    A/H EDEN
    0%
    RIIM
    0%

All-around best, ductless 2 tons

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

Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

A/H EDEN

  1. 1AS24HP2AC*with ductless indoor unit AS24HP2AEA/H EDEN2 tons · 24,000 Btu/h · DuctlessNot a cold-climate pick: keeps 65% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    65% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    10.5 (EER2)
    Below the middle
    39.1score / 100Heating 43 · Cooling 35

RIIM

No ductless, 2 tons model from RIIM.

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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