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Bestcold vs TGM: heat pump ratings compared
Against heat pumps of the same size and type, a typical Bestcold model beats 46% and a typical TGM model 45%. Bestcold rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Bestcold
46%
of similar heat pumps beaten by its typical model
About average79 models listed
TGM
45%
of similar heat pumps beaten by its typical model
Below average77 models listed
- Efficiency on a 5°F dayCOP at 5°FBestcold: Beats 45%TGM: Beats 48%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBestcold: Beats 43%TGM: Beats 42%
- Winter-long heating efficiencyHSPF2Bestcold: Beats 48%TGM: Beats 41%
- Summer-long cooling efficiencySEER2Bestcold: Beats 51%TGM: Beats 45%
- Hot-day cooling efficiencyEER2Bestcold: Beats 39%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
CEE 2025
- Bestcold
- 68%
- TGM
- 58%
Xcel CC
- Bestcold
- 66%
- TGM
- 55%
CEE Advanced
- Bestcold
- 1%
- TGM
- 1%
ENERGY STAR CC
- Bestcold
- 10%
- TGM
- 21%
All-around best, ducted up to 1.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
Bestcold
None of Bestcold’s ducted, up to 1.5 tons models has all five ratings.
TGM
- 1MRS5VHT18ASwith ducted air handler MFC5VHT18STGM1.5 tons · 17,500 Btu/h · DuctedCold-climate pick, score 69.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.41 (COP at 5°F)
- Top 10%
- Winter efficiency
- 11.3 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.0 (SEER2)
- Great
- Hot-day cooling
- 13.3 (EER2)
- Top 10%
- 2TMRHT18AS2TGM1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 44.0Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Good
- Cooling efficiency
- 22.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3GMRSHT18AS2TGM1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 39.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 76% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.86 (COP at 5°F)
- Below the middle
- Winter efficiency
- 8.1 (HSPF2)
- Below the middle
- Cooling efficiency
- 18.0 (SEER2)
- Good
- Hot-day cooling
- 11.7 (EER2)
- Good
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