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COMFORT MASTER heat pumps: how do their ratings compare?

A typical COMFORT MASTER heat pump beats 73% of similar heat pumps (same size and type), which is well above average. COMFORT MASTER has 6 heat pump models in this list.

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

Overall score

73%

of similar heat pumps beaten by its typical model

Well above average

COMFORT MASTER has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 4 models with every rating.

COMFORT MASTER, rating by ratingStrongest on efficiency on a 5°f day (beats 84%), weakest on hot-day cooling efficiency (beats 49%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 84%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 58%
  • Winter-long heating efficiencyHSPF2Beats 50%
  • Summer-long cooling efficiencySEER2Beats 58%
  • Hot-day cooling efficiencyEER2Beats 49%

Average (50%)

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

Want COMFORT MASTER’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.

  • 67%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    4 models. All brands: 57%.

    See them

  • 67%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    4 models. All brands: 53%.

    See them

  • 0%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    None of its models yet. All brands: 3%.

Top COMFORT MASTER 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?

3 of COMFORT MASTER’s 3 models of this size and type qualify.

  1. 1CMDI18K-C2-Owith ductless indoor unit CMDI18K-C2-ICOMFORT MASTER1.5 tons · 18,000 Btu/h · DuctlessKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.25 (COP at 5°F)
    Great
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    79.3score / 100
  2. 2CMDI12K-C1-Owith ductless indoor unit CMDI12K-C1-ICOMFORT MASTER1 ton · 12,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    64.1score / 100
  3. 3CMDI12K-C2-Owith ductless indoor unit CMDI12K-C2-ICOMFORT MASTER1 ton · 12,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    60.0score / 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 COMFORT MASTER’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view