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DIYCOOL vs VillaTherm: heat pump ratings compared
Against heat pumps of the same size and type, a typical DIYCOOL model beats 54% and a typical VillaTherm model 66%. VillaTherm rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
DIYCOOL
54%
of similar heat pumps beaten by its typical model
About average24 models listed
VillaTherm
66%
of similar heat pumps beaten by its typical model
Well above average24 models listed
- Efficiency on a 5°F dayCOP at 5°FDIYCOOL: Beats 53%VillaTherm: Beats 80%
- Heating power kept at 5°FCapacity at 5°F vs 47°FDIYCOOL: Beats 51%VillaTherm: Beats 63%
- Winter-long heating efficiencyHSPF2DIYCOOL: Beats 63%VillaTherm: Beats 76%
- Summer-long cooling efficiencySEER2DIYCOOL: Beats 60%VillaTherm: Beats 71%
- Hot-day cooling efficiencyEER2DIYCOOL: Beats 47%VillaTherm: Beats 45%
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
- DIYCOOL
- 79%
- VillaTherm
- 92%
Xcel CC
- DIYCOOL
- 71%
- VillaTherm
- 92%
CEE Advanced
- DIYCOOL
- 4%
- VillaTherm
- 17%
ENERGY STAR CC
- DIYCOOL
- 75%
- VillaTherm
- 83%
All-around best, ductless 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
DIYCOOL
- 1EZ-36Z-M4BDIYCOOL3 tons · 34,000 Btu/h · DuctlessCold-climate pick, score 41.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.9 (HSPF2)
- Below the middle
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Good
- 2EZ-36ZPL-HP230Bwith ductless indoor unit EZ-36W-MBDIYCOOL3 tons · 36,000 Btu/h · DuctlessNot a cold-climate pick: keeps 61% of its heat at 5°FMeets none of the standards tracked here
- Heat kept at 5°F
- 61% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.97 (COP at 5°F)
- Below the middle
- Winter efficiency
- 8.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 18.0 (SEER2)
- Below the middle
- Hot-day cooling
- 8.5 (EER2)
- Below the middle
VillaTherm
No ductless, 2.5–3 tons model from VillaTherm.
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