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.

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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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

31 of Lennox’s 44 models of this size and type qualify.

1A-VHP06SA-1with ductless indoor unit B-VHP06SA-1Lennox (sold as Comfort-Aire)0.5 tons · 6,000 Btu/h · DuctlessKeeps 110% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
Heat kept at 5°F
110% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.40 (COP at 5°F)
Top 10%
Seasonal efficiency
14.8 (HSPF2)
Top 10%
96.7score / 100
2MWLD015S6S-1Pwith ductless indoor unit MWMD015S6-1PLennoxAlso listed as MWPD015S6S-1P1.5 tons · 15,000 Btu/h · DuctlessKeeps 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
2.50 (COP at 5°F)
Top 10%
Seasonal efficiency
11.0 (HSPF2)
Great
92.1score / 100
3A-ZHP06SA-1with ductless indoor unit B-ZHP06SA-1Lennox (sold as Comfort-Aire)0.5 tons · 6,000 Btu/h · DuctlessKeeps 150% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
Heat kept at 5°F
150% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.00 (COP at 5°F)
Good
Seasonal efficiency
15.6 (HSPF2)
Top 10%
87.6score / 100
4MWLD009S6S-1Pwith ductless indoor unit MWMD009S6-1PLennoxAlso listed as MWPD009S6S-1P1 ton · 9,000 Btu/h · DuctlessKeeps 114% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
Heat kept at 5°F
114% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.15 (COP at 5°F)
Great
Seasonal efficiency
10.5 (HSPF2)
Great
86.4score / 100
5A-ZHPO9SA-1with ductless indoor unit B-ZHPO9SA-1Lennox (sold as Comfort-Aire)Also sold as Comfort Aire A-ZHP09SA-11 ton · 9,000 Btu/h · DuctlessKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
Heat kept at 5°F
113% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
2.00 (COP at 5°F)
Good
Seasonal efficiency
14.6 (HSPF2)
Top 10%
85.9score / 100

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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