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AIRDACH vs Della: heat pump ratings compared

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

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

AIRDACH

57%

of similar heat pumps beaten by its typical model

Above average

23 models listed

Della

39%

of similar heat pumps beaten by its typical model

Well below 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°FAIRDACH: Beats 47%Della: Beats 42%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIRDACH: Beats 39%Della: Beats 37%
  • Winter-long heating efficiencyHSPF2AIRDACH: Beats 49%Della: Beats 23%
  • Summer-long cooling efficiencySEER2AIRDACH: Beats 54%Della: Beats 35%
  • Hot-day cooling efficiencyEER2AIRDACH: Beats 58%Della: Beats 28%

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

    AIRDACH
    39%
    Della
    55%

  • Xcel CC

    AIRDACH
    22%
    Della
    36%

  • CEE Advanced

    AIRDACH
    0%
    Della
    0%

  • ENERGY STAR CC

    AIRDACH
    0%
    Della
    18%

Top cold-climate picks, ducted 2.5–3 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), 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?

AIRDACH

None of AIRDACH’s ducted, 2.5–3 tons models qualifies.

Della

No ducted, 2.5–3 tons model from Della.

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