COMFORTSTAR heat pumps: how do their ratings compare?

A typical COMFORTSTAR heat pump beats 50% of similar heat pumps (same size and type), which is about average. COMFORTSTAR has 133 heat pump models in this list.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated Oct 10, 2026

Overall score

50%

of similar heat pumps beaten by its typical model

About average

COMFORTSTAR has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 148 models with every rating.

COMFORTSTAR, rating by ratingStrongest on winter-long heating efficiency (beats 54%), weakest on hot-day cooling efficiency (beats 44%).

Efficiency on a 5°F dayCOP at 5°FBeats 51%
Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 48%
Winter-long heating efficiencyHSPF2Beats 54%
Summer-long cooling efficiencySEER2Beats 49%
Hot-day cooling efficiencyEER2Beats 44%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want COMFORTSTAR’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.

53%
meet CEE 2025 Tier 1, the level many utility rebates use.
71 models. All brands: 57%.
See them
47%
meet Xcel Energy Colorado’s cold-climate rebate levels.
62 models. All brands: 53%.
See them
2%
reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.
2 models. All brands: 3%.
See them

Top COMFORTSTAR 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 Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

12 of COMFORTSTAR’s 17 models of this size and type qualify.

1CHF3-24CD(O)with ducted air handler AHU3-24MCOMFORTSTAR2 tons · 23,000 Btu/h · DuctedKeeps 91% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
Heat kept at 5°F
91% (Capacity at 5°F vs 47°F)
Great
Efficiency at 5°F
2.10 (COP at 5°F)
Good
Seasonal efficiency
10.0 (HSPF2)
Great
77.4score / 100
2CPP3-24CD(O)with ducted air handler CPA3H-24CD(I)COMFORTSTAR2 tons · 24,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
Heat kept at 5°F
76% (Capacity at 5°F vs 47°F)
Good
Efficiency at 5°F
2.30 (COP at 5°F)
Great
Seasonal efficiency
11.0 (HSPF2)
Top 10%
77.1score / 100
3CPH3-24CD(O)with ducted air handler SEF3 - 24 - SG3COMFORTSTAR2 tons · 24,000 Btu/h · DuctedKeeps 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
2.14 (COP at 5°F)
Good
Seasonal efficiency
10.0 (HSPF2)
Great
75.8score / 100
4CSV24-32-19COMFORTSTAR2 tons · 24,000 Btu/h · DuctedKeeps 103% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
103% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
1.94 (COP at 5°F)
Below the middle
Seasonal efficiency
9.5 (HSPF2)
Good
70.4score / 100
5CHH32-24with ducted air handler ASH24SG32COMFORTSTAR2 tons · 23,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
Heat kept at 5°F
100% (Capacity at 5°F vs 47°F)
Top 10%
Efficiency at 5°F
1.82 (COP at 5°F)
Below the middle
Seasonal efficiency
10.1 (HSPF2)
Great
70.0score / 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 COMFORTSTAR’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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