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AIRTEMP vs Nutech: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIRTEMP model beats 45% and a typical Nutech model 51%. Nutech rates higher overall.

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

AIRTEMP

45%

of similar heat pumps beaten by its typical model

About average

25 models listed

Nutech

51%

of similar heat pumps beaten by its typical model

About 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°FAIRTEMP: Beats 32%Nutech: Beats 37%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIRTEMP: Beats 65%Nutech: Beats 42%
  • Winter-long heating efficiencyHSPF2AIRTEMP: Beats 37%Nutech: Beats 63%
  • Summer-long cooling efficiencySEER2AIRTEMP: Beats 38%Nutech: Beats 68%
  • Hot-day cooling efficiencyEER2AIRTEMP: Beats 44%Nutech: Beats 42%

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

    AIRTEMP
    48%
    Nutech
    64%

  • Xcel CC

    AIRTEMP
    52%
    Nutech
    32%

  • CEE Advanced

    AIRTEMP
    0%
    Nutech
    0%

  • ENERGY STAR CC

    AIRTEMP
    32%
    Nutech
    0%

All-around best, ducted 2.5–3 tons

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

AIRTEMP

  1. 1GXH30(8.8)FMK4DH-1AIRTEMP2.5 tons · 28,400 Btu/h · DuctedCold-climate pick, score 54.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    53.1score / 100Heating 55 · Cooling 52
  2. 2GXH42(12.3)FMK4DH-1AIRTEMP3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 52.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    51.8score / 100Heating 52 · Cooling 52
  3. 3GXH36(10.6)FMK4DH-1AIRTEMP3 tons · 34,000 Btu/h · DuctedCold-climate pick, score 50.8Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    51.1score / 100Heating 51 · Cooling 52

Nutech

  1. 1N3OJ-27HFN1-MNutechAlso listed as N2OA-27HFN1-M2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 57.4Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.2 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    71.5score / 100Heating 57 · Cooling 86
  2. 2N4OG-36HFN1-MNutechAlso listed as N2OA-36HFN1-M3 tons · 36,000 Btu/h · DuctedNot a cold-climate pick: keeps 64% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    65% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.68 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.2 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    56.6score / 100Heating 44 · Cooling 69
  3. 3NOD30U-36HFN1-MR0with ducted air handler NVC-36HWFN1Nutech3 tons · 36,000 Btu/h · DuctedNot a cold-climate pick: keeps 59% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    58% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    16.9 (SEER2)
    Good
    Hot-day cooling
    10.1 (EER2)
    Below the middle
    46.5score / 100Heating 47 · Cooling 46

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.

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