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Durastar vs Panasonic: heat pump ratings compared

Against heat pumps of the same size and type, a typical Durastar model beats 59% and a typical Panasonic model 47%. Durastar rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

Durastar

59%

of similar heat pumps beaten by its typical model

Above average

35 models listed

Panasonic

47%

of similar heat pumps beaten by its typical model

About average

36 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FDurastar: Beats 54%Panasonic: Beats 40%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDurastar: Beats 55%Panasonic: Beats 50%
  • Winter-long heating efficiencyHSPF2Durastar: Beats 66%Panasonic: Beats 57%
  • Summer-long cooling efficiencySEER2Durastar: Beats 62%Panasonic: Beats 48%
  • Hot-day cooling efficiencyEER2Durastar: Beats 57%Panasonic: Beats 39%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    Durastar
    57%
    Panasonic
    53%

  • Xcel CC

    Durastar
    46%
    Panasonic
    36%

  • CEE Advanced

    Durastar
    3%
    Panasonic
    0%

  • ENERGY STAR CC

    Durastar
    60%
    Panasonic
    36%

Top cold-climate picks, ductless up to 1.5 tons

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?

Durastar

  1. 1DRA1U09S1Bwith ductless indoor unit DRAW09F1BDurastar1 ton · 9,000 Btu/h · DuctlessKeeps 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
    2.22 (COP at 5°F)
    Great
    Seasonal efficiency
    11.6 (HSPF2)
    Top 10%
    86.0score / 100
  2. 2DRA1U12S1Bwith ductless indoor unit DRAS12F1CDurastar1 ton · 12,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.45 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    79.4score / 100
  3. 3DRA1H12S1Awith ductless indoor unit DRAS12F1CDurastar1 ton · 12,000 Btu/h · DuctlessKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Seasonal efficiency
    10.7 (HSPF2)
    Great
    77.0score / 100

Panasonic

  1. 1CU-XE9WKUAwith ductless indoor unit CS-XE9WKUAWPanasonic0.5 tons · 8,700 Btu/h · DuctlessKeeps 111% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    111% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.06 (COP at 5°F)
    Good
    Seasonal efficiency
    12.0 (HSPF2)
    Top 10%
    87.4score / 100
  2. 2CU-XE18WKUAwith ductless indoor unit CS-XE18WKUAWPanasonic1.5 tons · 17,200 Btu/h · DuctlessKeeps 102% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    102% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.05 (COP at 5°F)
    Good
    Seasonal efficiency
    10.9 (HSPF2)
    Great
    82.7score / 100
  3. 3CU-XE12WKUAwith ductless indoor unit CS-XE12WKUAWPanasonic1 ton · 11,500 Btu/h · DuctlessKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    82.1score / 100

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

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view