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GOETTL vs MRCOOL: heat pump ratings compared
Against heat pumps of the same size and type, a typical GOETTL model beats 42% and a typical MRCOOL model 54%. MRCOOL rates higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
GOETTL
42%
of similar heat pumps beaten by its typical model
Below average110 models listed
MRCOOL
54%
of similar heat pumps beaten by its typical model
About average111 models listed
- Efficiency on a 5°F dayCOP at 5°FGOETTL: Beats 39%MRCOOL: Beats 49%
- Heating power kept at 5°FCapacity at 5°F vs 47°FGOETTL: Beats 18%MRCOOL: Beats 41%
- Winter-long heating efficiencyHSPF2GOETTL: Beats 26%MRCOOL: Beats 51%
- Summer-long cooling efficiencySEER2GOETTL: Beats 38%MRCOOL: Beats 50%
- Hot-day cooling efficiencyEER2GOETTL: Beats 64%MRCOOL: Beats 56%
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
- GOETTL
- 12%
- MRCOOL
- 47%
Xcel CC
- GOETTL
- 3%
- MRCOOL
- 25%
CEE Advanced
- GOETTL
- 0%
- MRCOOL
- 0%
ENERGY STAR CC
- GOETTL
- 0%
- MRCOOL
- 23%
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?
GOETTL
No ductless, 3.5–4.5 tons model from GOETTL.
MRCOOL
None of MRCOOL’s ductless, 3.5–4.5 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