For cold-climate homes where a quick-connect install matters more than price: it holds its full heat far colder than other quick-connect units. Flare-connect units match its cold-weather output for much less.
Amazon $3,173 MRCOOL DIY Direct $3,20515 MrCool mini-splits ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size mini-splits here, not third among MrCool's own.
MrCool makes 15 current mini-splits: 3 9,000 BTU, 4 12,000 BTU, 4 18,000 BTU, 3 24,000 BTU and 1 36,000 BTU. Prices run from $1,249 for the MrCool DIY Select 9,000 BTU 115V to $3,569.99 for the MrCool DIY 5th Gen 36,000 BTU 230V. Its best-rated model in each size: the MrCool DIY 5th Gen 9,000 BTU 115V (#9 of 11 9,000 BTU, rated 3.2), the MrCool DIY Hyper Heat 5th Gen 12,000 BTU 230V (#9 of 13 12,000 BTU, rated 3.8), the MrCool DIY Hyper Heat 5th Gen 18,000 BTU 230V (#4 of 10 18,000 BTU, rated 4.0), the MrCool DIY Easy Pro 24,000 BTU 230V (#7 of 9 24,000 BTU, rated 3.3) and the MrCool DIY 5th Gen 36,000 BTU 230V (#2 of 2 36,000 BTU, rated 2.9). Sizes run from 9,000 to 36,000 BTU. All install with quick-connect line sets, with no vacuum pump. 5 of them are on the ENERGY STAR Cold Climate list.
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
MrCool mini-splits 15
- MrCool DIY Hyper Heat 5th Gen 18,000 BTU 230V#4 18,000 BTUFull review
For cold-climate homes where a quick-connect install matters more than price: it holds its full heat far colder than other quick-connect units. Flare-connect units match its cold-weather output for much less.
Amazon $3,173 MRCOOL DIY Direct $3,205$3,17318,00011Quick-connect$176 - MrCool DIY Hyper Heat 5th Gen 12,000 BTU 230V#9 12,000 BTUFull review
For cold-climate homes where a quick-connect install matters more than price: it holds its full heat far colder than other quick-connect units. Flare-connect units match its cold-weather output for much less.
Amazon $2,532 MRCOOL DIY Direct $2,557$2,53211,00010Quick-connect$230 - MrCool DIY 5th Gen 12,000 BTU 115V#10 12,000 BTUFull review
For someone who wants a true plug-together install with no tools beyond a drill, and a warranty that survives it. Expect to pay well over the price of a flare unit with the same cold-weather output.
Amazon $1,759 MRCOOL DIY Direct $2,370$1,7598,40010.2Quick-connect$209 - MrCool DIY 5th Gen 18,000 BTU 230V#8 18,000 BTUFull review
For someone who wants a true plug-together install with no tools beyond a drill, and a warranty that survives it. Expect to pay well over the price of a flare unit with the same cold-weather output.
Amazon MRCOOL DIY Direct $2,910$2,91012,80011.5Quick-connect$227 - MrCool DIY Easy Pro 24,000 BTU 230V#7 24,000 BTUFull review
A middle step between MrCool’s Select and DIY 5th Gen: quick-connect and a fair warranty, but it loses much of its heat in a cold snap. Best for mild winters.
MRCOOL DIY Direct $2,109$2,10917,0008.7Quick-connect$124 - MrCool DIY 5th Gen 9,000 BTU 115V#9 9,000 BTUFull review
For someone who wants a true plug-together install with no tools beyond a drill, and a warranty that survives it. Expect to pay well over the price of a flare unit with the same cold-weather output.
Amazon MRCOOL DIY Direct $2,330$2,3307,30011.5Quick-connect$319 - MrCool DIY Easy Pro 9,000 BTU 115V#10 9,000 BTUFull review
A middle step between MrCool’s Select and DIY 5th Gen: quick-connect and a fair warranty, but it loses much of its heat in a cold snap. Best for mild winters.
MRCOOL DIY Direct $1,487$1,4876,2009.2Quick-connect$240 - MrCool DIY Select 24,000 BTU 230V#8 24,000 BTUFull review
For mild climates and occasional use, where a low price for a quick-connect unit matters most. The short warranty and weak cold-weather output make it a poor main heat source.
Amazon $1,899 MRCOOL DIY Direct $1,899$1,899--Quick-connect- - MrCool DIY Easy Pro 12,000 BTU 115V#12 12,000 BTUFull review
A middle step between MrCool’s Select and DIY 5th Gen: quick-connect and a fair warranty, but it loses much of its heat in a cold snap. Best for mild winters.
MRCOOL DIY Direct $1,599$1,5996,7009.3Quick-connect$239 - MrCool DIY 5th Gen 36,000 BTU 230V#2 36,000 BTUFull review
The pricier of the two 36,000 BTU quick-connect units, with a better heating limit and quieter indoor unit than the Klimaire. Neither keeps much of its heat in deep cold.
Amazon $3,569.99 MRCOOL DIY Direct $3,790$3,569.9922,0008.5Quick-connect$162 - MrCool DIY 5th Gen 24,000 BTU 230V#9 24,000 BTUFull review
For someone who wants a true plug-together install with no tools beyond a drill, and a warranty that survives it. Expect to pay well over the price of a flare unit with the same cold-weather output.
Amazon MRCOOL DIY Direct $3,335$3,33516,1009.5Quick-connect$207 - MrCool DIY Easy Pro 18,000 BTU 230V#9 18,000 BTUFull review
A middle step between MrCool’s Select and DIY 5th Gen: quick-connect and a fair warranty, but it loses much of its heat in a cold snap. Best for mild winters.
MRCOOL DIY Direct $1,806$1,8069,8008.5Quick-connect$184 - MrCool DIY Select 9,000 BTU 115V#11 9,000 BTUFull review
For mild climates and occasional use, where a low price for a quick-connect unit matters most. The short warranty and weak cold-weather output make it a poor main heat source.
Amazon $1,249 MRCOOL DIY Direct $1,249$1,2496,0008.8Quick-connect$208 - MrCool DIY Select 12,000 BTU 115V#13 12,000 BTUFull review
For mild climates and occasional use, where a low price for a quick-connect unit matters most. The short warranty and weak cold-weather output make it a poor main heat source.
Amazon $1,549 MRCOOL DIY Direct $1,399$1,3996,2009Quick-connect$226 - MrCool DIY Select 18,000 BTU 230V#10 18,000 BTUFull review
For mild climates and occasional use, where a low price for a quick-connect unit matters most. The short warranty and weak cold-weather output make it a poor main heat source.
Amazon $1,690 MRCOOL DIY Direct $1,690$1,6909,5008.5Quick-connect$178