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

A typical Nortek Global HVAC heat pump beats 51% of similar heat pumps (same size and type), which is about average. Nortek Global HVAC has 75 heat pump models in this list, also sold as Broan, Frigidaire, Gibson, Intertherm, Maytag and 5 more names.

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

Overall score

51%

of similar heat pumps beaten by its typical model

About average

Ranked 20 among brands with a QMID on file. Based on 55 models with every rating.

Nortek Global HVAC, rating by ratingStrongest on heating power kept at 5°f (beats 64%), weakest on winter-long heating efficiency (beats 38%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 64%
  • Winter-long heating efficiencyHSPF2Beats 38%
  • Summer-long cooling efficiencySEER2Beats 39%
  • Hot-day cooling efficiencyEER2Beats 46%

Average (50%)

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

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Rebate standards

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

  • 39%

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

    29 models. All brands: 48%.

    See them

  • 41%

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

    31 models. All brands: 38%.

    See them

  • 0%

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

    None of its models yet. All brands: 1%.

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?

7 of Nortek Global HVAC’s 20 models of this size and type have all five ratings.

  1. 1WHP36M4A21SNortek Global HVAC (sold as Westinghouse)2.5 tons · 32,000 Btu/h · DuctedCold-climate pick, score 69.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.9 (HSPF2)
    Good
    Cooling efficiency
    19.5 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    78.6score / 100Heating 69 · Cooling 88
  2. 2WHU36SZA21Swith ducted air handler WHU36DHA21SNortek Global HVAC (sold as Westinghouse)3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 78.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    17.5 (SEER2)
    Good
    Hot-day cooling
    10.9 (EER2)
    Below the middle
    67.6score / 100Heating 78 · Cooling 57
  3. 3WHM36SZA21Swith ducted air handler DC37A44-210LNortek Global HVAC (sold as Westinghouse)2.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 75.5Meets Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.08 (COP at 5°F)
    Great
    Winter efficiency
    9.4 (HSPF2)
    Great
    Cooling efficiency
    15.5 (SEER2)
    Below the middle
    Hot-day cooling
    11.3 (EER2)
    Good
    63.7score / 100Heating 76 · Cooling 52
  4. 4GXH30(8.8)FMK4DH-1Nortek Global HVAC (sold as Gibson)2.5 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
  5. 5GXH42(12.3)FMK4DH-1Nortek Global HVAC (sold as Gibson)3 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

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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