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ACD vs NOVAIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical ACD model beats 51% and a typical NOVAIR model 63%. NOVAIR rates higher overall.

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

ACD

51%

of similar heat pumps beaten by its typical model

About average

25 models listed

NOVAIR

63%

of similar heat pumps beaten by its typical model

Well above average

25 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°FACD: Beats 36%NOVAIR: Beats 48%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FACD: Beats 69%NOVAIR: Beats 64%
  • Winter-long heating efficiencyHSPF2ACD: Beats 47%NOVAIR: Beats 73%
  • Summer-long cooling efficiencySEER2ACD: Beats 53%NOVAIR: Beats 69%
  • Hot-day cooling efficiencyEER2ACD: Beats 51%NOVAIR: Beats 60%

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

    ACD
    88%
    NOVAIR
    88%

  • Xcel CC

    ACD
    88%
    NOVAIR
    80%

  • CEE Advanced

    ACD
    0%
    NOVAIR
    0%

  • ENERGY STAR CC

    ACD
    72%
    NOVAIR
    80%

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?

ACD

  1. 1UHD09KCH38SB-Owith ductless indoor unit UHD09KCH38SB-IACD1 ton · 9,000 Btu/h · DuctlessKeeps 144% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    144% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.91 (COP at 5°F)
    Good
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    80.1score / 100
  2. 2MPD18KCH21SB-OACD1.5 tons · 17,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.21 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    73.1score / 100
  3. 3MUD18KCH23S-OACD1.5 tons · 18,000 Btu/h · DuctlessKeeps 104% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    104% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.81 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    64.2score / 100

NOVAIR

  1. 1LEA09SZ25SK-Owith ductless indoor unit 2LEA06UUSK-INOVAIR0.5 tons · 6,000 Btu/h · DuctlessKeeps 107% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    107% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.09 (COP at 5°F)
    Great
    Seasonal efficiency
    13.6 (HSPF2)
    Top 10%
    89.3score / 100
  2. 2LEA12SZ25SK-Owith ductless indoor unit LEA12UUSK-INOVAIR1 ton · 12,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.25 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.8 (HSPF2)
    Great
    77.8score / 100
  3. 3LEA09SZ35SK-Owith ductless indoor unit 2LEA09UUSK-INOVAIR1 ton · 9,000 Btu/h · DuctlessKeeps 88% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    88% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Good
    Seasonal efficiency
    11.5 (HSPF2)
    Top 10%
    76.2score / 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