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Install Your Own Heat & AC in Hours

The patented MRCOOL® DIY® Series is the only ductless mini-split designed for simple homeowner installation — no special tools or training required.

It takes less than 60 seconds

MRCOOL® DIY® wall-mounted mini-split air handler and outdoor condenser

Trusted Nationwide

Margo Fairchild standing near a MRCOOL DIY indoor unit

Having done so much research over the years and seeing what other folks had installed in their tiny homes, it was a pretty easy decision.

Margo FairchildMargo Does Stuff
Jared Capp standing beside a MRCOOL DIY outdoor condenser

Think through your locations, think through your placement, make sure you find the studs. But don't be scared of it. You can absolutely do it.

Jared CappBuild Weird
Noah Shaw working on a MRCOOL DIY installation

In just a matter of hours, we flew to my buddy's house, got this entire system installed, and now he has cold AC for his entire family.

Noah Shaw@Fordsixfo
MRCOOL® DIY® mini-split product collection with indoor units and outdoor condensers

Own Your Space.Customize Your Comfort.

Assemble the perfect system, for up to 6 zones!

Animated home layout showing multiple comfort zones
  1. Mount

    Getting your MRCOOL® DIY® system set up and mounted is a painless process. Using our patented system to align your fittings and cut the right holes, you’ll be ready to go in minutes instead of days.

  2. Connect

    With our patented, simple Quick Connect® Line Set, you’ll be able to install your MRCOOL® DIY® without needing specialized training or expensive tools.

  3. Enjoy

    Easily control the temperature of your space from your phone or with the included remote control. The temperature adapts based on where you are in the room.

Pick the Perfect MRCOOL® DIY®

The right system for your space — made simple.

MRCOOL® DIY® Select mini-split system

DIY®

Select

DIY for the Lowest Price

  • Up to 800 sqft. Coverage Area
  • 9K - 23K BTU
  • 115V or 208-230V Power Supply
  • 2 Year Compressor Warranty
  • 1 Year Parts Warranty
MRCOOL® DIY® Easy Pro mini-split system

DIY®

Easy Pro®

High Efficiency DIY on a Budget

  • Up to 1,050 sqft. Coverage Area
  • 9K - 24K BTU
  • 115V or 208-230V Power Supply
  • 5 Year Compressor Warranty
  • 3 Year Parts Warranty
MRCOOL® DIY® 5th Generation mini-split system

DIY®

5th Generation

Best DIY Performance

  • Up to 1,550 sqft. Coverage Area
  • 9K - 30K BTU
  • 115V or 208-230V Power Supply
  • 7 Year Compressor Warranty
  • 5 Year Parts Warranty
MRCOOL® DIY® MultiZone mini-split system with multiple indoor units

DIY®

MultiZone

Maximum DIY Coverage

  • Up to 12,300 sqft. Coverage Area
  • 18K - 55K BTU
  • 208-230V Power Supply
  • 7 Year Compressor Warranty
  • 5 Year Parts Warranty

Additional DIY® Products

Smart, flexible solution for heating and cooling.

MRCOOL® DIY® Hybrid™ Air Handler

DIY®

Hybrid™ Air Handler

A smart, flexible solution for heating and cooling spaces up to 1,500 square feet.

MRCOOL® DIY® Hyper Heat® condenser

DIY®

Hyper Heat®

The perfect solution for colder climates that want efficient, all-season comfort.

MRCOOL® OuttaSight® Ceiling Cassette

OuttaSight®

Ceiling Cassette

Compatible with Multi Zone DIY® Mini‑Splits

MRCOOL® remote control used as a Follow Me® temperature sensor

Comfort That Knows Where You Are

Follow Me® mode uses your remote as a sensor to direct airflow exactly where you need it.

MRCOOL® DIY® indoor unit restoring settings after a power outage

Don’t Sweat a Power Outage

The MRCOOL® DIY® automatically restores your settings and louvre position after power interruptions.

Smartphone controlling an MRCOOL® DIY® mini-split system

Control Your Comfort From Anywhere

Adjust your system from anywhere using your phone or compatible smart assistant.

Gold Fin® condenser coil protection on an MRCOOL® outdoor unit

Protect Your Investment

The Gold Fin® Condenser resists corrosion, while the A2L smart sensor alerts you to potential refrigerant leaks.

Marianna Garrett and a Garrett Farms co-owner holding watermelons

It was difficult to find the right solution for consistent cooling…the MRCOOL® Mini-Split Systems are exactly what we need.

Marianna GarrettCo-Owner of Garrett Farms

Up to12,300 sq. ft.

Coverage Area

Up to23.9 SEER2

Efficiency Rating

Up to6

Zones

No more than55.5

Decibel Rating

Your MRCOOL® DIY® questions, answered.

  • A MRCOOL® DIY® Series heat pump is the only ductless mini-split system on the market explicitly designed for amateur installation. You don't need special tools or training to install this high efficiency heat pump. The line sets are precharged with R-454B refrigerant, the quick hook-up electrical connections, and the quality engineering mean just about anyone can install a MRCOOL® DIY® in their home with no problem at all in only a few short hours. If you want great air comfort without paying an arm and a leg for installation, you want an easy-to-use MRCOOL® DIY® Series ductless heat pump.

    • Unlike any other ductless heat pump on the market, the MRCOOL® DIY® series is specifically designed for easy installation — precharged line sets alleviate a major obstacle to amateur installation in a single stroke.
    • 7-year compressor warranty and 5-year parts warranty
    • DC inverter and variable speed compressor technology cuts operating costs
    • Refrigerant leakage detection ensures your system remains operating efficiently without degradation due to undetected corrosion
    • MRCOOL® DIY® temperature compensation technology helps to keep you comfortable in any weather conditions
  • Yes, both the indoor wall-mounted air handler and the outdoor condenser are included, along with the line set and the armored communicating wire to connect the two units.

  • Yes, and a nice template to drill the holes for the mounting brackets.

  • Yes, every MRCOOL® DIY® includes the 25 ft armored communicating wire to connect the indoor wall-mounted air handler and the outdoor condenser. See our retailers for more cable lengths.

Install Your Own AC& Save Thousands

Simple to install. Built to perform.Comfort on your terms.

It takes less than 60 seconds

Find the Right System at the Right Place

Select a size by BTU output