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Achazel vs DAVE AIR: heat pump ratings compared

One of these brands has too few models with every rating for an overall score; see each rating below.

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

Achazel

20%

of similar heat pumps beaten by its typical model

Well below average

3 models listed

DAVE AIR

—

of similar heat pumps beaten by its typical model

Not enough rated models

3 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°FAchazel: Beats 17%DAVE AIR: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAchazel: Beats 34%DAVE AIR: Not rated
  • Winter-long heating efficiencyHSPF2Achazel: Beats 16%DAVE AIR: Beats 43%
  • Summer-long cooling efficiencySEER2Achazel: Beats 23%DAVE AIR: Beats 63%
  • Hot-day cooling efficiencyEER2Achazel: Beats 13%DAVE AIR: Beats 38%

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

    Achazel
    67%
    DAVE AIR
    0%

  • Xcel CC

    Achazel
    67%
    DAVE AIR
    0%

  • CEE Advanced

    Achazel
    0%
    DAVE AIR
    0%

  • ENERGY STAR CC

    Achazel
    0%
    DAVE AIR
    0%

Top cold-climate picks, ducted up to 1.5 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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Achazel

No ducted, up to 1.5 tons model from Achazel.

DAVE AIR

No ducted, up to 1.5 tons model from DAVE AIR.

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