Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
MRCOOL vs Puremind: heat pump ratings compared
Against heat pumps of the same size and type, a typical MRCOOL model beats 53% and a typical Puremind model 37%. MRCOOL rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
MRCOOL
53%
of similar heat pumps beaten by its typical model
About average92 models listed
Puremind
37%
of similar heat pumps beaten by its typical model
Well below average95 models listed
- Efficiency on a 5°F dayCOP at 5°FMRCOOL: Beats 50%Puremind: Beats 24%
- Heating power kept at 5°FCapacity at 5°F vs 47°FMRCOOL: Beats 50%Puremind: Beats 40%
- Winter-long heating efficiencyHSPF2MRCOOL: Beats 56%Puremind: Beats 51%
- Summer-long cooling efficiencySEER2MRCOOL: Beats 54%Puremind: Beats 44%
- Hot-day cooling efficiencyEER2MRCOOL: Beats 49%Puremind: Beats 28%
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
- MRCOOL
- 67%
- Puremind
- 47%
Xcel CC
- MRCOOL
- 58%
- Puremind
- 53%
CEE Advanced
- MRCOOL
- 0%
- Puremind
- 0%
ENERGY STAR CC
- MRCOOL
- 57%
- Puremind
- 0%
Top cold-climate picks, ductless 2.5–3 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, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
MRCOOL
- 1MULTI4-27HP230C-OMRCOOL2.5 tons · 27,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets 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
- Seasonal efficiency
- 9.5 (HSPF2)
- Below the middle
- 2DIY-MULTI5-36HP230D-OMRCOOL3 tons · 34,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets 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
- Seasonal efficiency
- 9.9 (HSPF2)
- Below the middle
- 3MULTI5-36HP230C-OMRCOOL3 tons · 36,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets 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
- Seasonal efficiency
- 9.5 (HSPF2)
- Below the middle
Puremind
None of Puremind’s ductless, 2.5–3 tons models qualifies.
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