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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.

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.

  • 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%.

Top Nortek Global HVAC cold-climate picks, by size

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 Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

4 of Nortek Global HVAC’s 13 models of this size and type qualify.

  1. 1WHM60SZA21Swith ducted air handler D(A,C,E)60B44+TDRNortek Global HVAC (sold as Westinghouse)4.5 tons · 51,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.50 (COP at 5°F)
    Great
    Seasonal efficiency
    7.5 (HSPF2)
    Below the middle
    73.0score / 100
  2. 2WHM48SZA21Swith ducted air handler DC61A44-245RNortek Global HVAC (sold as Westinghouse)3.5 tons · 42,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.94 (COP at 5°F)
    Good
    Seasonal efficiency
    8.6 (HSPF2)
    Good
    66.8score / 100
  3. 3WHP42M5A21SNortek Global HVAC (sold as Westinghouse)3.5 tons · 41,000 Btu/h · DuctedKeeps 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
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.8 (HSPF2)
    Good
    63.6score / 100
  4. 4GXH48-60MSK4DHwith ducted air handler GMH48-**MSK4DH1Nortek Global HVAC (sold as Nortek)4 tons · 48,000 Btu/h · DuctedKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    58.1score / 100

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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