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ROVSUN vs TGM: heat pump ratings compared

Against heat pumps of the same size and type, a typical ROVSUN model beats 44% and a typical TGM model 45%. TGM rates slightly higher overall.

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

ROVSUN

44%

of similar heat pumps beaten by its typical model

Below average

82 models listed

TGM

45%

of similar heat pumps beaten by its typical model

Below average

77 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°FROVSUN: Beats 37%TGM: Beats 48%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FROVSUN: Beats 41%TGM: Beats 42%
  • Winter-long heating efficiencyHSPF2ROVSUN: Beats 52%TGM: Beats 41%
  • Summer-long cooling efficiencySEER2ROVSUN: Beats 51%TGM: Beats 45%
  • Hot-day cooling efficiencyEER2ROVSUN: Beats 35%TGM: Beats 42%

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

    ROVSUN
    78%
    TGM
    58%

  • Xcel CC

    ROVSUN
    74%
    TGM
    55%

  • CEE Advanced

    ROVSUN
    0%
    TGM
    1%

  • ENERGY STAR CC

    ROVSUN
    35%
    TGM
    21%

All-around best, ductless 3.5–4.5 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

ROVSUN

  1. 1RV42M2/19-OROVSUN3.5 tons · 42,000 Btu/h · DuctlessCold-climate pick, score 24.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    20.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    27.2score / 100Heating 25 · Cooling 30

TGM

  1. 1GMRSHT42AS5TGM3.5 tons · 42,000 Btu/h · DuctlessCold-climate pick, score 66.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Below the middle
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.0 (EER2)
    Top 10%
    67.7score / 100Heating 67 · Cooling 69
  2. 2TMRHT42AS5TGM3.5 tons · 42,000 Btu/h · DuctlessCold-climate pick, score 32.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Below the middle
    Cooling efficiency
    24.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.2 (EER2)
    Below the middle
    49.3score / 100Heating 33 · Cooling 66
  3. 3MRS5VHT48ASwith ductless indoor unit MC45VHT48STGM4 tons · 48,000 Btu/h · DuctlessCold-climate pick, score 55.4Meets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.11 (COP at 5°F)
    Top 10%
    Winter efficiency
    9.9 (HSPF2)
    Below the middle
    Cooling efficiency
    19.0 (SEER2)
    Below the middle
    Hot-day cooling
    9.5 (EER2)
    Below the middle
    34.9score / 100Heating 55 · Cooling 14

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