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ATK vs UA United Appliances: heat pump ratings compared

Against heat pumps of the same size and type, a typical ATK model beats 47% and a typical UA United Appliances model 27%. ATK rates higher overall.

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

ATK

47%

of similar heat pumps beaten by its typical model

About average

13 models listed

UA United Appliances

27%

of similar heat pumps beaten by its typical model

Well below 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°FATK: Beats 51%UA United Appliances: Beats 16%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FATK: Beats 57%UA United Appliances: Beats 43%
  • Winter-long heating efficiencyHSPF2ATK: Beats 75%UA United Appliances: Beats 27%
  • Summer-long cooling efficiencySEER2ATK: Beats 44%UA United Appliances: Beats 30%
  • Hot-day cooling efficiencyEER2ATK: Beats 20%UA United Appliances: Beats 22%

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

    ATK
    54%
    UA United Appliances
    15%

  • Xcel CC

    ATK
    46%
    UA United Appliances
    23%

  • CEE Advanced

    ATK
    0%
    UA United Appliances
    0%

  • ENERGY STAR CC

    ATK
    0%
    UA United Appliances
    0%

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

ATK

No ductless, up to 1.5 tons model from ATK.

UA United Appliances

  1. 1UAWH09-DD3D1/Owith ductless indoor unit UAWH09-DD3D1/IUA United Appliances1 ton · 9,000 Btu/h · DuctlessKeeps 79% of its heat at 5°FMeets Xcel CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.76 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.4 (HSPF2)
    Below the middle
    28.8score / 100
  2. 2UAWH09-AD3D1/Owith ductless indoor unit UAWH09-AD3D1/IUA United Appliances1 ton · 9,100 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.70 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    25.9score / 100
  3. 3UAWH12-DD3D1/Owith ductless indoor unit UAWH12-DD3D1/IUA United AppliancesAlso listed as UAWH12-AD3D1/O1 ton · 11,700 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.70 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    23.9score / 100

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