Lennox heat pumps: how do their ratings compare?
A typical Lennox heat pump beats 48% of similar heat pumps (same size and type), which is about average. Lennox has 331 heat pump models in this list, also sold as Airease, Allied, Allied Commercial, Armstrong Air, Concord and 2 more names.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Overall score
48%
of similar heat pumps beaten by its typical model
About averageRanked 22 among brands with a QMID on file. Based on 366 models with every rating.
- Efficiency on a 5°F dayCOP at 5°FBeats 46%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 43%
- Winter-long heating efficiencyHSPF2Beats 44%
- Summer-long cooling efficiencySEER2Beats 45%
- Hot-day cooling efficiencyEER2Beats 57%
Average (50%)
Each bar: the share of similar heat pumps a typical model beats on that rating.
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Rebate standards
44%
meet CEE 2025 Tier 1, the level many utility rebates use.
145 models. All brands: 57%.
36%
meet Xcel Energy Colorado’s cold-climate rebate levels.
118 models. All brands: 53%.
3%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
9 models. All brands: 3%.
Lennox all-around best, by size
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?
84 of Lennox’s 84 models of this size and type have all five ratings.
- 1SL22KLV-036-230A**with ducted air handler CBK48MVT-060-230-Lennox3 tons · 35,200 Btu/h · DuctedCold-climate pick, score 93.4Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 102% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.42 (COP at 5°F)
- Top 10%
- Winter efficiency
- 10.5 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Top 10%
- 2A-VHP365A-1Lennox (sold as Comfort-Aire)3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 82.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 106% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.4 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.4 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Great
- 3MMLD030S6S-1Pwith ducted air handler MDDD030S6-1PLennox2.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 64.8Meets 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
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Top 10%
- 4MMLD030S6M-1PLennox2.5 tons · 28,400 Btu/h · DuctedCold-climate pick, score 64.0Meets 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
- 1.81 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Top 10%
- 5EL21KLV-036-230A**with ducted air handler CBK45UHVT-042-230-LennoxAlso sold as Armstrong Air A7CP21V36P-**A3 tons · 34,800 Btu/h · DuctedCold-climate pick, score 75.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 75% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.08 (COP at 5°F)
- Good
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.2 (EER2)
- Top 10%
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
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