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AZUR vs WINDAIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical AZUR model beats 56% and a typical WINDAIR model 65%. WINDAIR rates higher overall.

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

AZUR

56%

of similar heat pumps beaten by its typical model

Above average

13 models listed

WINDAIR

65%

of similar heat pumps beaten by its typical model

Well above average

13 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°FAZUR: Beats 44%WINDAIR: Beats 36%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAZUR: Beats 69%WINDAIR: Beats 44%
  • Winter-long heating efficiencyHSPF2AZUR: Beats 39%WINDAIR: Beats 27%
  • Summer-long cooling efficiencySEER2AZUR: Beats 49%WINDAIR: Beats 37%
  • Hot-day cooling efficiencyEER2AZUR: Beats 41%WINDAIR: Beats 50%

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

    AZUR
    62%
    WINDAIR
    23%

  • Xcel CC

    AZUR
    62%
    WINDAIR
    15%

  • CEE Advanced

    AZUR
    0%
    WINDAIR
    0%

  • ENERGY STAR CC

    AZUR
    39%
    WINDAIR
    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?

AZUR

No ducted, up to 1.5 tons model from AZUR.

WINDAIR

No ducted, up to 1.5 tons model from WINDAIR.

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