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Della vs ForestAir: heat pump ratings compared

Against heat pumps of the same size and type, a typical Della model beats 39% and a typical ForestAir model 57%. ForestAir rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

Della

39%

of similar heat pumps beaten by its typical model

Well below average

22 models listed

ForestAir

57%

of similar heat pumps beaten by its typical model

Above average

22 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°FDella: Beats 42%ForestAir: Beats 43%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDella: Beats 37%ForestAir: Beats 54%
  • Winter-long heating efficiencyHSPF2Della: Beats 23%ForestAir: Beats 34%
  • Summer-long cooling efficiencySEER2Della: Beats 35%ForestAir: Beats 58%
  • Hot-day cooling efficiencyEER2Della: Beats 28%ForestAir: Beats 46%

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

    Della
    55%
    ForestAir
    68%

  • Xcel CC

    Della
    36%
    ForestAir
    55%

  • CEE Advanced

    Della
    0%
    ForestAir
    0%

  • ENERGY STAR CC

    Della
    18%
    ForestAir
    14%

All-around best, ducted 2.5–3 tons

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

Della

No ducted, 2.5–3 tons model from Della.

ForestAir

No ducted, 2.5–3 tons model from ForestAir.

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