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Carrier vs Lennox: heat pump ratings compared
Against heat pumps of the same size and type, a typical Carrier model beats 47% and a typical Lennox model 56%. Lennox rates higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
Carrier
47%
of similar heat pumps beaten by its typical model
About average701 models listed
Lennox
56%
of similar heat pumps beaten by its typical model
Above average313 models listed
- Efficiency on a 5°F dayCOP at 5°FCarrier: Beats 58%Lennox: Beats 58%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCarrier: Beats 32%Lennox: Beats 48%
- Winter-long heating efficiencyHSPF2Carrier: Beats 38%Lennox: Beats 49%
- Summer-long cooling efficiencySEER2Carrier: Beats 45%Lennox: Beats 49%
- Hot-day cooling efficiencyEER2Carrier: Beats 59%Lennox: Beats 54%
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
- Carrier
- 29%
- Lennox
- 46%
Xcel CC
- Carrier
- 17%
- Lennox
- 29%
CEE Advanced
- Carrier
- 2%
- Lennox
- 1%
ENERGY STAR CC
- Carrier
- 9%
- Lennox
- 20%
Top cold-climate picks, ductless 2 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, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?
Carrier
- 138MARBQ24AA3with ductless indoor unit 40MBCAQ24XA3CarrierAlso sold as Arcoaire DLCSRBH24AAK2 tons · 24,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 103% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 11.5 (HSPF2)
- Top 10%
- 2RAV-SP242AT2P-ULwith ductless indoor unit RAV-SM242CTP-ULCarrier (sold as Toshiba Carrier)2 tons · 24,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.30 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 10.4 (HSPF2)
- Great
- 338MGHBQ24CA3Carrier2 tons · 24,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 74% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.0 (HSPF2)
- Good
Lennox
- 1MLB024S4S-1Pwith ductless indoor unit M33C024S4-1PLennoxAlso sold as Comfort-Aire A-VMH24SV-12 tons · 24,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 103% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 11.5 (HSPF2)
- Top 10%
- 2A-VMH24SU-1with ductless indoor unit B-VMH24SV-1Lennox (sold as Comfort-Aire)Also listed as A-KMH24SU-12 tons · 24,000 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
- 2.21 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 11.4 (HSPF2)
- Top 10%
- 3A-VMH24SU-1Awith ductless indoor unit B-VMH24SU-1ALennox (sold as Comfort-Aire)Also listed as A-KMH24SV-12 tons · 21,600 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.07 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.4 (HSPF2)
- Great
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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