MRCOOL® 4th Gen DIY®
Enjoy next generation comfort.
With a new MRCOOL® 4th DIY Gen Energy Star Mini-Split.
Transform your space with effortless comfort.
Quick Connect
With our patented simple quick connect lines, you'll be able to install your MRCOOL® DIY® without needing specialized training or expensive tools.
Mount & Connect
Getting your MRCOOL® DIY® system mounted and ready to go is a snap away. Using our patented system you’ll be ready to go in minutes instead of days.
Streamline your setup: Effortless installation with the Quick Connect® Line Set
The patented MRCOOL® DIY® Quick Connect® Line Set* is 100% accurately pre-charged with R-410A refrigerant. This makes installation quick and easy with no vacuum required.
Safe. Reliable. Future-proofing your investment.
Being comfortable.
Anywhere. Anytime
Low ambient cooling
Keep cool in 5° weather
This feature makes the MRCOOL® DIY® the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.
Gold Fin® condenser
Corrosion resistant
Live on the coast? Don't worry, our condenser is built to resist long term corrosion.
Comfort for every season.
Say goodbye to weather-related worries and embrace the convenience and peace of mind.
MRCOOL® DIY® boasts robust construction and technology, ensuring reliable performance regardless of environmental conditions to maintain control of comfort year-round.
Personalized. Smart control comfort.
Follow Me® function
Keep the remote close by, and MRCOOL® DIY® will track the air temperature around you to ensure you receive maximum comfort.
Smart USB
Control your MRCOOL® DIY® anywhere with your Apple or Android smart device and an internet connection.
Louver position memory
Horizontal louver will automatically move to the same position as you set last time the unit was turned on.
Smartphone app
If you have WiFi, you can control your HVAC system from anywhere where you have internet access.
Easy comfort control anywhere: MRCOOL DIY® on-the-go
Whether at home or away, ensure your space is just right with simple taps on your device. Enjoy ultimate convenience and comfort on your terms, wherever you are.
Digital assistant ready
The new MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.
Never lift a finger.
24-hour comfort.
Auto restart
Power outage? Don't worry, the MRCOOL DIY® auto restart will have the unit running again in no time.
Sleep mode
We made Sleep Mode easy to program. This saves you money and lets you and your family sleep a little easier.
Certified efficiency
Energy Star
Going above and beyond for efficiency while maintaining optimum performance and reliability, the 12K, 18K, and 24K models are Energy Star Certified.
Best warranty in the business
The 4th Gen DIY® units offer an optional Limited Lifetime Compressor Warranty, providing longer lasting protection for your system than any competing brand.
Pick the perfect MRCOOL®
DIY® for your space.
Expand zone capabilities
Less work. More rooms.
One house. One solution.
DIY® Multi-Zone
Multi-zone technology gives you flexibility and control whenever and wherever you want it.
Compatible with DIY® Multi-Zone
OuttaSight™ Ceiling Cassette
The perfect fit for any space. A low-profile heating and cooling solution that doesn‘t require ductwork or wall space, and fits discreetly in any space.
Which multi-zone system is right for your space?
What people are saying about MRCOOL® DIY®
Over 700,000 cool customers. Hear what they have to say!
