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WINDAIR heat pumps: how do their ratings compare?

A typical WINDAIR heat pump beats 65% of similar heat pumps (same size and type), which is well above average. WINDAIR has 13 heat pump models in this list.

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

Overall score

65%

of similar heat pumps beaten by its typical model

Well above average

WINDAIR has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 3 models with every rating.

WINDAIR, rating by ratingStrongest on hot-day cooling efficiency (beats 50%), weakest on winter-long heating efficiency (beats 27%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 36%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 44%
  • Winter-long heating efficiencyHSPF2Beats 27%
  • Summer-long cooling efficiencySEER2Beats 37%
  • Hot-day cooling efficiencyEER2Beats 50%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want WINDAIR’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 23%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    3 models. All brands: 48%.

    See them

  • 15%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    2 models. All brands: 38%.

    See them

  • 0%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    None of its models yet. All brands: 1%.

WINDAIR all-around best, by size

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

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

3 of WINDAIR’s 10 models of this size and type have all five ratings.

  1. 1DWH09UW3SXETE00/Owith ductless indoor unit DWH09UW3SXETE00/IWINDAIR1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 75.0Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    27.5 (SEER2)
    Top 10%
    Hot-day cooling
    15.5 (EER2)
    Top 10%
    85.1score / 100Heating 75 · Cooling 95
  2. 2DWH12UW3SXATE00/Owith ductless indoor unit DWH12UW3SXATE00/IWINDAIR1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 36.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.8 (HSPF2)
    Good
    Cooling efficiency
    23.5 (SEER2)
    Great
    Hot-day cooling
    15.4 (EER2)
    Top 10%
    61.7score / 100Heating 37 · Cooling 87
  3. 3DWH18UR3SBBTE/Owith ductless indoor unit DWH18UR3SBBTE/IWINDAIR1.5 tons · 18,000 Btu/h · DuctlessNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    66% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.6 (HSPF2)
    Below the middle
    Cooling efficiency
    22.5 (SEER2)
    Good
    Hot-day cooling
    13.0 (EER2)
    Good
    46.8score / 100Heating 24 · Cooling 70

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has WINDAIR’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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