Straightforward help choosing a mini split

MRCOOL DIY 5th Gen Mini Splits

The MRCOOL DIY 5th Gen systems below come in 9,000 and 12,000 BTU sizes for a 115V supply. The standard package includes a 25 ft pre-charged line.

Know what you're looking at

We show the models, what comes in the package, the line-set length, price, and current availability together.

2 products

A quick buying guide

What should you look at before choosing?

The MRCOOL DIY 5th Gen systems below come in 9,000 and 12,000 BTU sizes for a 115V supply. The standard package includes a 25 ft pre-charged line set. Need a longer route? The longer choices combine that standard line with a compatible extension and the connecting parts shown on the product page. Measure the actual path first, then choose the capacity from the building load and the line-set option from the route.

Choose the size

What does the space actually need?

Square footage is a useful clue, but it misses your windows, insulation, air leaks, climate, and ceiling height. A heating and cooling load calculation considers those details and helps you choose the right size.

See how 9k and 12k differ

Make sure the power works

Can your power source support this system?

The 115V label is only a starting point. Make sure your circuit and full power setup can handle the system, including the inverter, batteries, generator, solar charging, and other loads.

Build a battery and solar estimate