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 Oct 10, 2026

Overall score

48%

of similar heat pumps beaten by its typical model

About average

Ranked 22 among brands with a QMID on file. Based on 366 models with every rating.

Lennox, rating by ratingStrongest on hot-day cooling efficiency (beats 57%), weakest on heating power kept at 5°f (beats 43%).

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.

Want Lennox’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

44%
meet CEE 2025 Tier 1, the level many utility rebates use.
145 models. All brands: 57%.
See them
36%
meet Xcel Energy Colorado’s cold-climate rebate levels.
118 models. All brands: 53%.
See them
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%.
See them

Top Lennox cold-climate picks, by size

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?

12 of Lennox’s 16 models of this size and type qualify.

1A-VHP24SA-1with ductless indoor unit B-VHP24CA-1Lennox (sold as Comfort Aire)2 tons · 23,400 Btu/h · DuctlessKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
Heat kept at 5°F
95% (Capacity at 5°F vs 47°F)
Great
Efficiency at 5°F
2.23 (COP at 5°F)
Great
Seasonal efficiency
11.6 (HSPF2)
Top 10%
89.4score / 100
2A-KZP24SA-1with ductless indoor unit B-KZP24SA-1Lennox (sold as Comfort Aire)2 tons · 24,000 Btu/h · DuctlessKeeps 83% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
83% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
2.20 (COP at 5°F)
Great
Seasonal efficiency
11.0 (HSPF2)
Great
81.2score / 100
3MMLD020S6M-1PLennox2 tons · 21,000 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)
Top 10%
Efficiency at 5°F
1.95 (COP at 5°F)
Below the middle
Seasonal efficiency
10.5 (HSPF2)
Great
71.3score / 100
4MMLD024S6M-1PLennox2 tons · 25,000 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)
Top 10%
Efficiency at 5°F
1.85 (COP at 5°F)
Below the middle
Seasonal efficiency
10.4 (HSPF2)
Great
68.8score / 100
5MMLD024S6S-1Pwith ductless indoor unit M33D024S6-1PLennox2 tons · 24,000 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)
Top 10%
Efficiency at 5°F
1.80 (COP at 5°F)
Below the middle
Seasonal efficiency
10.2 (HSPF2)
Great
63.5score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has Lennox’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view