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CONFORTOTAL vs DiamondAir: 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

CONFORTOTAL

47%

of similar heat pumps beaten by its typical model

About average

7 models listed

DiamondAir

—

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°FCONFORTOTAL: Beats 52%DiamondAir: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCONFORTOTAL: Beats 29%DiamondAir: Not rated
  • Winter-long heating efficiencyHSPF2CONFORTOTAL: Beats 51%DiamondAir: Beats 26%
  • Summer-long cooling efficiencySEER2CONFORTOTAL: Beats 62%DiamondAir: Beats 21%
  • Hot-day cooling efficiencyEER2CONFORTOTAL: Beats 39%DiamondAir: 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

    CONFORTOTAL
    100%
    DiamondAir
    0%

  • Xcel CC

    CONFORTOTAL
    57%
    DiamondAir
    0%

  • CEE Advanced

    CONFORTOTAL
    0%
    DiamondAir
    0%

  • ENERGY STAR CC

    CONFORTOTAL
    0%
    DiamondAir
    0%

All-around best, ducted up to 1.5 tons

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

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

CONFORTOTAL

No ducted, up to 1.5 tons model from CONFORTOTAL.

DiamondAir

None of DiamondAir’s ducted, up to 1.5 tons models has all five ratings.

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