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NOVAIR vs WHIRLPOOL: heat pump ratings compared
Against heat pumps of the same size and type, a typical NOVAIR model beats 76% and a typical WHIRLPOOL model 26%. NOVAIR rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
NOVAIR
76%
of similar heat pumps beaten by its typical model
Well above average42 models listed
WHIRLPOOL
26%
of similar heat pumps beaten by its typical model
Well below average42 models listed
- Efficiency on a 5°F dayCOP at 5°FNOVAIR: Beats 59%WHIRLPOOL: Beats 41%
- Heating power kept at 5°FCapacity at 5°F vs 47°FNOVAIR: Beats 75%WHIRLPOOL: Beats 21%
- Winter-long heating efficiencyHSPF2NOVAIR: Beats 80%WHIRLPOOL: Beats 17%
- Summer-long cooling efficiencySEER2NOVAIR: Beats 83%WHIRLPOOL: Beats 17%
- Hot-day cooling efficiencyEER2NOVAIR: Beats 81%WHIRLPOOL: Beats 33%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- NOVAIR
- 98%
- WHIRLPOOL
- 2%
Xcel CC
- NOVAIR
- 100%
- WHIRLPOOL
- 5%
CEE Advanced
- NOVAIR
- 5%
- WHIRLPOOL
- 0%
ENERGY STAR CC
- NOVAIR
- 100%
- WHIRLPOOL
- 0%
All-around best, ducted 3.5–4.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
NOVAIR
- 1LEA48MZ6P36-ONOVAIR4 tons · 47,000 Btu/h · DuctedCold-climate pick, score 82.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 11.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.4 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 2LEA55MZ6P36-ONOVAIR4.5 tons · 53,000 Btu/h · DuctedCold-climate pick, score 81.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 87% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Winter efficiency
- 10.7 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3LEA48CEN36-Owith ducted air handler LEA48HH-CEN-INOVAIR4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 76.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 17.5 (SEER2)
- Good
- Hot-day cooling
- 12.0 (EER2)
- Great
WHIRLPOOL
- 1WLP15AY42AJ2Nwith ducted air handler WLH2TY4824STANNWHIRLPOOL3.5 tons · 40,000 Btu/h · DuctedNot a cold-climate pick: keeps 49% of its heat at 5°FMeets CEE 2025
- Heat kept at 5°F
- 46% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Winter efficiency
- 8.1 (HSPF2)
- Good
- Cooling efficiency
- 16.0 (SEER2)
- Good
- Hot-day cooling
- 11.7 (EER2)
- Good
- 2WLP15AY48AJ2Nwith ducted air handler WLH2TY4824STANNWHIRLPOOL4 tons · 45,500 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
- 51% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.20 (COP at 5°F)
- Great
- Winter efficiency
- 8.1 (HSPF2)
- Good
- Cooling efficiency
- 15.2 (SEER2)
- Below the middle
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3WLP14AY42AJ2Nwith ducted air handler WLH2TY4824STANNWHIRLPOOL3.5 tons · 40,000 Btu/h · DuctedNot a cold-climate pick: keeps 61% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 48% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Winter efficiency
- 7.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 15.2 (SEER2)
- Below the middle
- Hot-day cooling
- 11.7 (EER2)
- Good
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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