MRCOOL

MRCOOL DIY Mini Split

Official MRCOOL Store. Authorized dealer, genuine products, full manufacturer warranty.

  • Authorized dealer
  • Full manufacturer warranty
  • Free shipping
  • 30-day returns

Find the mini split size you need

sq ft
Adjust for ceiling and sunlight

We recommend

9,000BTU

Or build your own system
See the BTU coverage guide
6,000 BTU100-150 sq ft
9,000 BTU151-350 sq ft
12,000 BTU351-500 sq ft
18,000 BTU501-750 sq ft
24,000 BTU751-1,000 sq ft
36,000 BTU1,001-1,500 sq ft

This is an estimate. Insulation, windows and the number of appliances in the room can change what you need. For assistance, contact our Product Experts.

1073 products

159.5K
129

Shop MRCOOL by size or series

Know what you need? Jump straight to it.

By number of rooms

1 roomSingle zone 2 rooms2-zone 3 rooms3-zone 4 rooms4-zone 5 rooms5-zone 6 rooms6-zone

By series

PopularDIY SelectGreat value single zone DIY 5th GenSingle and multi-zone DIY EasyProSingle zone systems Hyper HeatBuilt for cold winters

How a DIY mini split works

No HVAC pro needed for the refrigerant side. The lines come pre-charged.

Pick your size

Use the finder at the top of the page, or build your own multi-zone system.

We ship it to you

Free shipping. Everything arrives ready to install, with a pre-charged Quick Connect line set.

Install it yourself

Mount the units, connect the line set and wire it up. No vacuum pump or gauges needed.

Frequently asked questions

Can I really install a DIY mini split myself?

Yes. MRCOOL DIY systems use pre-charged Quick Connect line sets, so there is no vacuuming or refrigerant charging. You mount the indoor and outdoor units, drill through the wall, connect the line set and make the electrical connection. Electrical requirements depend on the model and your local code, so check the product page and use a licensed electrician where required.

What size mini split do I need?

Use the finder at the top of this page. Enter your room size and, if you like, your ceiling height, sunlight and room type, and it shows the matching systems. It is an estimate. Insulation, windows and appliances in the room can change what you need, so our Product Experts are happy to check it with you.

Can one outdoor unit run more than one room?

Yes. Multi-zone systems connect one outdoor unit to two to six indoor units, one per room. You can mix indoor unit sizes, for example 9K and 12K, to suit each room.

What is the difference between the Select, EasyPro, 5th Gen and Hyper Heat series?

All are DIY systems with Quick Connect line sets. DIY Select is our most popular single-zone range. 5th Gen is available as single and multi-zone systems. EasyPro is a single-zone range. Hyper Heat models are designed for colder climates. Each product page lists the exact heating range, efficiency and coverage.

How long is the line set, and can I get a longer one?

Systems include a pre-charged Quick Connect line set, and the length is shown in each product title, for example 11.5 ft. If you need a longer run, choose a longer line set option on the product page or build your own system.

What warranty does MRCOOL offer?

Warranty depends on the series: DIY Select has a 2-year compressor and 1-year parts warranty, DIY EasyPro has 5 years on the compressor and 3 years on parts, and the 5th Gen range (including multi-zone, E Star and Hyper Heat) has 7 years on the compressor and 5 years on parts. The exact terms are listed on each product page. As an authorized dealer, every system we sell comes with the full manufacturer warranty.

Do you offer free shipping and returns?

Yes. We offer free shipping and 30-day returns, and we are an authorized MRCOOL dealer, so you get genuine products with the full manufacturer warranty. See our help pages for the full details.

Not sure which system is right?

Our Product Experts can check your sizing and help you choose.

Contact usMore FAQs