Skip to content
Rebate.Blue

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%

Top cold-climate picks, ductless 3.5–4.5 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, 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 · DuctlessKeeps 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)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    24.7score / 100

TGM

  1. 1GMRSHT42AS5TGM3.5 tons · 42,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.0 (HSPF2)
    Below the middle
    66.5score / 100
  2. 2MRS5VHT48ASwith ductless indoor unit MC45VHT48STGM4 tons · 48,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets 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%
    Seasonal efficiency
    9.9 (HSPF2)
    Below the middle
    55.4score / 100
  3. 3TMRHT42AS5TGM3.5 tons · 42,000 Btu/h · DuctlessKeeps 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)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Below the middle
    32.7score / 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