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Gree vs Lennox: heat pump ratings compared
Against heat pumps of the same size and type, a typical Gree model beats 54% and a typical Lennox model 48%. Gree rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Gree
54%
of similar heat pumps beaten by its typical model
About average717 models listed
Lennox
48%
of similar heat pumps beaten by its typical model
About average331 models listed
- Efficiency on a 5°F dayCOP at 5°FGree: Beats 43%Lennox: Beats 46%
- Heating power kept at 5°FCapacity at 5°F vs 47°FGree: Beats 57%Lennox: Beats 43%
- Winter-long heating efficiencyHSPF2Gree: Beats 42%Lennox: Beats 44%
- Summer-long cooling efficiencySEER2Gree: Beats 60%Lennox: Beats 45%
- Hot-day cooling efficiencyEER2Gree: Beats 60%Lennox: Beats 57%
Average (50%)Dashed outline: the other brand, for comparison
Want ranks, distributions per size class and cold-weather curves? Switch to Advanced
Rebate standards
CEE 2025
- Gree
- 81%
- Lennox
- 44%
Xcel CC
- Gree
- 80%
- Lennox
- 36%
CEE Advanced
- Gree
- 6%
- Lennox
- 3%
ENERGY STAR CC
- Gree
- 66%
- Lennox
- 30%
Top cold-climate picks, ductless 3.5–4.5 tons
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 Ductless, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?
Gree
- 1GWHD(42)ND6MOGreeAlso sold as Tosot TM42H32MO, Kinghome KM42X6O, Tosot TM42D6MO, Tosot TMSCI7H4R42 and 5 more; also listed as MUL42HP230V1R32AO, GS5M42HP230V1MO3.5 tons · 42,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 90% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Seasonal efficiency
- 10.0 (HSPF2)
- Below the middle
- 2MHPC-H-048BMBGree (sold as Ac Pro)4 tons · 46,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 78% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.05 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.5 (HSPF2)
- Good
- 3MHPC-H-048BSBwith ductless indoor unit M4CS-H-048BSBGree (sold as Ac Pro)4 tons · 48,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 81% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.11 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 9.9 (HSPF2)
- Below the middle
Lennox
- 1A-VHP486A-1Lennox (sold as Comfort-Aire)4 tons · 47,000 Btu/h · DuctlessKeeps 98% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 98% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 11.0 (HSPF2)
- Top 10%
- 2A-VHP556A-1Lennox (sold as Comfort-Aire)4.5 tons · 52,000 Btu/h · DuctlessKeeps 86% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 86% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.05 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.6 (HSPF2)
- Good
- 3VPD048S6M-5PLennox4 tons · 48,000 Btu/h · DuctlessKeeps 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)
- Below the middle
- Efficiency at 5°F
- 2.02 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.5 (HSPF2)
- 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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