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AIR-CON vs DUOHOME: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIR-CON model beats 55% and a typical DUOHOME model 52%. AIR-CON rates slightly higher overall.

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

AIR-CON

55%

of similar heat pumps beaten by its typical model

About average

65 models listed

DUOHOME

52%

of similar heat pumps beaten by its typical model

About average

22 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°FAIR-CON: Beats 47%DUOHOME: Beats 51%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIR-CON: Beats 52%DUOHOME: Beats 38%
  • Winter-long heating efficiencyHSPF2AIR-CON: Beats 46%DUOHOME: Beats 61%
  • Summer-long cooling efficiencySEER2AIR-CON: Beats 54%DUOHOME: Beats 57%
  • Hot-day cooling efficiencyEER2AIR-CON: Beats 50%DUOHOME: Beats 44%

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

    AIR-CON
    55%
    DUOHOME
    59%

  • Xcel CC

    AIR-CON
    49%
    DUOHOME
    27%

  • CEE Advanced

    AIR-CON
    0%
    DUOHOME
    0%

  • ENERGY STAR CC

    AIR-CON
    39%
    DUOHOME
    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?

AIR-CON

  1. 1AMSCI4H4S42AIR-CON3.5 tons · 42,000 Btu/h · DuctlessKeeps 87% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Below the middle
    42.4score / 100

DUOHOME

None of DUOHOME’s ductless, 3.5–4.5 tons models qualifies.

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