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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 up to 1.5 tons

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

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

ROVSUN

  1. 1TMSC-18HA2/I2XI20B-OROVSUNAlso listed as TMSC-18HA2/I2XI20B-O1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 68.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Good
    72.2score / 100Heating 69 · Cooling 76
  2. 2TSC-12HA2/I3XI23B-Owith ductless indoor unit TSC-12HA2/I3XI23B-IROVSUNAlso listed as TSC-12HA2/I3XI23B-O, RV12T2/23-O1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 59.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR 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
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Good
    67.7score / 100Heating 60 · Cooling 76
  3. 3TSC-12HA1/I3XI22B-Owith ductless indoor unit TSC-12HA1/I3XI22B-IROVSUNAlso listed as TSC-12HA1/I3XI22B-O, RV12T1/22-O1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 58.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR 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
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.0 (SEER2)
    Good
    Hot-day cooling
    13.0 (EER2)
    Good
    65.0score / 100Heating 59 · Cooling 71

TGM

  1. 1ARHHBT18ASwith ductless indoor unit AWHHBT18STGM1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 79.2Meets 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
    2.25 (COP at 5°F)
    Great
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Great
    82.9score / 100Heating 79 · Cooling 87
  2. 2ARHHBT12ASAwith ductless indoor unit AWHHBT12SATGM1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 64.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Below the middle
    62.8score / 100Heating 64 · Cooling 62
  3. 3TMRHT18AS2TGM1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 61.9Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    62.1score / 100Heating 62 · Cooling 62

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.

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