Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
Carrier vs Lennox: heat pump ratings compared
Against heat pumps of the same size and type, a typical Carrier model beats 48% and a typical Lennox model 48%. They are level.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Carrier
48%
of similar heat pumps beaten by its typical model
About average816 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°FCarrier: Beats 56%Lennox: Beats 46%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCarrier: Beats 34%Lennox: Beats 43%
- Winter-long heating efficiencyHSPF2Carrier: Beats 40%Lennox: Beats 44%
- Summer-long cooling efficiencySEER2Carrier: Beats 42%Lennox: Beats 45%
- Hot-day cooling efficiencyEER2Carrier: Beats 59%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
- Carrier
- 40%
- Lennox
- 44%
Xcel CC
- Carrier
- 27%
- Lennox
- 36%
CEE Advanced
- Carrier
- 1%
- Lennox
- 3%
ENERGY STAR CC
- Carrier
- 27%
- Lennox
- 30%
Top cold-climate picks, ducted up to 1.5 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 Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
Carrier
- 137MAHAQ06AA3with ducted air handler 45MBDAQ06XA3CarrierAlso sold as Arcoaire D5CSHAH06AAK0.5 tons · 6,500 Btu/h · DuctedKeeps 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)
- Great
- Efficiency at 5°F
- 2.41 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 13.8 (HSPF2)
- Top 10%
- 237MUHAQ18AA3with indoor coil DM36A3J+TDR and furnace 8(0,1)*SB36070M17Carrier (sold as Bryant Heating and Cooling Systems)1.5 tons · 16,800 Btu/h · DuctedKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 95% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 3.00 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 10.8 (HSPF2)
- Top 10%
- 3D5CUHAH18AAKwith ducted air handler FM(C,U)5Z18**ALCarrier (sold as HEIL)1.5 tons · 18,000 Btu/h · DuctedKeeps 104% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 104% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.08 (COP at 5°F)
- Good
- Seasonal efficiency
- 12.5 (HSPF2)
- Top 10%
Lennox
- 1A-VXP18SA-1with ducted air handler WXP18SALennox (sold as Comfort Aire)1.5 tons · 18,000 Btu/h · DuctedKeeps 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
- 2.10 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.8 (HSPF2)
- Top 10%
- 2A-VHP18SA-1with ducted air handler B-VHP18DA-1Lennox (sold as Comfort Aire)1.5 tons · 17,500 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 92% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Seasonal efficiency
- 11.1 (HSPF2)
- Top 10%
- 3A-VHP09SA-1with ducted air handler B-VHP09DA-1Lennox (sold as Comfort Aire)1 ton · 9,000 Btu/h · DuctedKeeps 120% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 120% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.85 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 13.8 (HSPF2)
- Top 10%
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.
Open the advanced view