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A/H EDEN vs DIMONDAIR: 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

DIMONDAIR

—

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%DIMONDAIR: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FA/H EDEN: Beats 31%DIMONDAIR: Not rated
  • Winter-long heating efficiencyHSPF2A/H EDEN: Beats 45%DIMONDAIR: Beats 26%
  • Summer-long cooling efficiencySEER2A/H EDEN: Beats 31%DIMONDAIR: Beats 21%
  • Hot-day cooling efficiencyEER2A/H EDEN: Beats 26%DIMONDAIR: Beats 60%

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%
    DIMONDAIR
    0%

  • Xcel CC

    A/H EDEN
    57%
    DIMONDAIR
    0%

  • CEE Advanced

    A/H EDEN
    0%
    DIMONDAIR
    0%

  • ENERGY STAR CC

    A/H EDEN
    0%
    DIMONDAIR
    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?

A/H EDEN

  1. 1AS09HP2ACwith ductless indoor unit AS09HP2AEA/H EDEN1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 50.4Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Below the middle
    Hot-day cooling
    12.0 (EER2)
    Below the middle
    43.9score / 100Heating 50 · Cooling 37
  2. 2AS09HP1ACwith ductless indoor unit AS09HP1AEA/H EDEN1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 42.5Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    19.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    35.5score / 100Heating 43 · Cooling 29
  3. 3AS12HP2AC*with ductless indoor unit AS12HP2AEA/H EDEN1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 37.6Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    75% (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
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    20.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.2 (EER2)
    Below the middle
    34.0score / 100Heating 38 · Cooling 30

DIMONDAIR

No ductless, up to 1.5 tons model from DIMONDAIR.

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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