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Nortek Global HVAC heat pumps: how do their ratings compare?

A typical Nortek Global HVAC heat pump beats 31% of similar heat pumps (same size and type), which is well below average. Nortek Global HVAC has 109 heat pump models in this list, also sold as Frigidaire, Gibson, Intertherm, Maytag, Miller and 3 more names.

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

Overall score

31%

of similar heat pumps beaten by its typical model

Well below average

Ranked 29 among brands with a QMID on file. Based on 105 models with every rating.

Nortek Global HVAC, rating by ratingStrongest on hot-day cooling efficiency (beats 42%), weakest on efficiency on a 5°f day (beats 23%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 23%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 28%
  • Winter-long heating efficiencyHSPF2Beats 28%
  • Summer-long cooling efficiencySEER2Beats 32%
  • Hot-day cooling efficiencyEER2Beats 42%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want Nortek Global HVAC’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 28%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    31 models. All brands: 57%.

    See them

  • 20%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    22 models. All brands: 53%.

    See them

  • 2%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    2 models. All brands: 3%.

    See them

Nortek Global HVAC all-around best, by size

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?

25 of Nortek Global HVAC’s 28 models of this size and type have all five ratings.

  1. 1DXH30FMK3IHNortek Global HVAC (sold as Gibson)2.5 tons · 28,400 Btu/h · DuctedCold-climate pick, score 48.2Meets 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
    1.88 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    18.0 (SEER2)
    Good
    Hot-day cooling
    12.0 (EER2)
    Great
    61.6score / 100Heating 48 · Cooling 75
  2. 2DXH36FMK3IHNortek Global HVAC (sold as Gibson)3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 52.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    18.0 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    59.0score / 100Heating 52 · Cooling 66
  3. 3SH4BF5M2SX36Kwith ducted air handler B65VMMX3648K-CNortek Global HVAC (sold as Nortek Global Hvac Llc)Also sold as Frigidaire FSH4BF5M2SX36K, Maytag PSH4BF5M2SX36K3 tons · 36,000 Btu/h · DuctedNot a cold-climate pick: keeps 52% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    52% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.0 (HSPF2)
    Below the middle
    Cooling efficiency
    16.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Good
    39.5score / 100Heating 27 · Cooling 52
  4. 4SH4ME5M1SP36Kwith indoor coil C75B(A,H)MX36C*B and furnace MG3P-054U1AABNortek Global HVAC (sold as Nordyne)Also sold as Intertherm HSH4ME5M1SP36K3 tons · 34,600 Btu/h · DuctedNot a cold-climate pick: keeps 49% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    52% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Winter efficiency
    7.5 (HSPF2)
    Below the middle
    Cooling efficiency
    14.3 (SEER2)
    Below the middle
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    24.7score / 100Heating 22 · Cooling 27
  5. 5SH4ME5M1SP30Kwith ducted air handler C85DAMX3036U-BNortek Global HVAC (sold as Nordyne)Also sold as Intertherm HSH4ME5M1SP30K2.5 tons · 29,600 Btu/h · DuctedNot a cold-climate pick: keeps 51% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    52% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Winter efficiency
    7.5 (HSPF2)
    Below the middle
    Cooling efficiency
    14.3 (SEER2)
    Below the middle
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    24.6score / 100Heating 22 · Cooling 27

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has Nortek Global HVAC’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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