Skip to content

BHI 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

BHI

17%

of similar heat pumps beaten by its typical model

Well below 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°FBHI: Beats 23%DiamondAir: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBHI: Beats 15%DiamondAir: Not rated
  • Winter-long heating efficiencyHSPF2BHI: Beats 36%DiamondAir: Beats 26%
  • Summer-long cooling efficiencySEER2BHI: Beats 9%DiamondAir: Beats 21%
  • Hot-day cooling efficiencyEER2BHI: Beats 10%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

    BHI
    14%
    DiamondAir
    0%
  • Xcel CC

    BHI
    14%
    DiamondAir
    0%
  • CEE Advanced

    BHI
    0%
    DiamondAir
    0%
  • ENERGY STAR CC

    BHI
    0%
    DiamondAir
    0%

All-around best, ducted 2 tons

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

BHI

No ducted, 2 tons model from BHI.

DiamondAir

None of DiamondAir’s ducted, 2 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