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TCL vs Viessmann: heat pump ratings compared

Against heat pumps of the same size and type, a typical TCL model beats 43% and a typical Viessmann model 53%. Viessmann rates higher overall.

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

TCL

43%

of similar heat pumps beaten by its typical model

Below average

52 models listed

Viessmann

53%

of similar heat pumps beaten by its typical model

About average

53 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°FTCL: Beats 48%Viessmann: Beats 52%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FTCL: Beats 43%Viessmann: Beats 50%
  • Winter-long heating efficiencyHSPF2TCL: Beats 31%Viessmann: Beats 63%
  • Summer-long cooling efficiencySEER2TCL: Beats 38%Viessmann: Beats 58%
  • Hot-day cooling efficiencyEER2TCL: Beats 30%Viessmann: Beats 46%

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

    TCL
    42%
    Viessmann
    64%

  • Xcel CC

    TCL
    37%
    Viessmann
    43%

  • CEE Advanced

    TCL
    0%
    Viessmann
    4%

  • ENERGY STAR CC

    TCL
    23%
    Viessmann
    47%

Top cold-climate picks, ducted 2.5–3 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 Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

TCL

  1. 1TCU-36D7HEWA/DV2Owith ducted air handler TCU-36D7HWA/DV2ITCL3 tons · 34,200 Btu/h · DuctedKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    66.7score / 100
  2. 2THH36HAI2NAF2U23with ducted air handler THH36IAI2NAF2H23TCL3 tons · 34,000 Btu/h · DuctedKeeps 112% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    112% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.1 (HSPF2)
    Below the middle
    62.0score / 100
  3. 3THH30HAI2NAF2U23with ducted air handler THH36IAI2NAF2H23TCL2.5 tons · 28,000 Btu/h · DuctedKeeps 107% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    107% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.5 (HSPF2)
    Good
    61.6score / 100

Viessmann

  1. 1DLCURAH36ABKwith ducted air handler DLFULAH36XCX + CIViessmann3 tons · 35,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    78.6score / 100
  2. 2DLCURAH30ABKwith ducted air handler DLFULAH36XCX + CIViessmann2.5 tons · 30,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.7 (HSPF2)
    Great
    67.8score / 100
  3. 3DLCMHBH36DAKViessmann3 tons · 36,000 Btu/h · DuctedKeeps 89% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.70 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    63.7score / 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