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NATIONAL vs UA United Appliances: heat pump ratings compared

Against heat pumps of the same size and type, a typical NATIONAL model beats 25% and a typical UA United Appliances model 40%. UA United Appliances rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

NATIONAL

25%

of similar heat pumps beaten by its typical model

Well below average

13 models listed

UA United Appliances

40%

of similar heat pumps beaten by its typical model

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°FNATIONAL: Beats 35%UA United Appliances: Beats 29%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FNATIONAL: Beats 16%UA United Appliances: Beats 41%
  • Winter-long heating efficiencyHSPF2NATIONAL: Beats 12%UA United Appliances: Beats 55%
  • Summer-long cooling efficiencySEER2NATIONAL: Beats 5%UA United Appliances: Beats 53%
  • Hot-day cooling efficiencyEER2NATIONAL: Beats 35%UA United Appliances: Beats 24%

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

    NATIONAL
    0%
    UA United Appliances
    54%

  • Xcel CC

    NATIONAL
    0%
    UA United Appliances
    62%

  • CEE Advanced

    NATIONAL
    0%
    UA United Appliances
    0%

  • ENERGY STAR CC

    NATIONAL
    0%
    UA United Appliances
    0%

Top cold-climate picks, ductless 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

NATIONAL

No ductless, 3.5–4.5 tons model from NATIONAL.

UA United Appliances

  1. 1UAUH42-DD6SG1/OUA United Appliances3.5 tons · 42,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Below the middle
    33.3score / 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