Easy DIY® Installation
Precharged R-410 Quick Connect® Line Set
 
Pre-charged linesets allow you to install this innovative ductless system without special tools, equipment, or training. Couplers are available for extended lengths. 
 
Energy Star
Certified Efficiency
 
Going above and beyond for efficiency while maintaining optimum performance and reliability, the 12K, 18K and 24K models are Energy Star Certified.
 
Smartphone App
Enhanced Control from Anywhere
 
Control your MRCOOL DIY® anywhere with your Apple or Android smart device and an internet connection.
 
NEW DIYPRO™ Cable
Safety & Durability
 
The included DIYPro™ Cable eliminates the need for electrical conduit providing higher mechanical protection and durability.
 
Follow Me® Function
Personalized Performance
 
Keep the remote close by, and MRCOOL DIY® will track the air temperature around you to ensure you receive maximum comfort.
 
Leakage Detection
Protecting Your Investment
 
When the MRCOOL DIY® detects low coolant an alarm will sound to alert you to the problem. This will prevent damage to the compressor while you maintain high air comfort.
 
Low Ambient Cooling
Cooling Down to 5°F
 
This feature makes the MRCOOL DIY® the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.
 
Auto Restart
Never Lift a Finger
 
Power outage? Don’t worry, the MRCOOL DIY® auto restart will have the unit running again in no time at all.
 
Sleep Mode
24-Hour Comfort
 
We made Sleep Mode easy to program to save money, and let you sleep a little easier.
 
Louver Position Memory
Remembers So You Don’t Have To
 
Horizontal louver will automatically move to the same position as you set last time the unit was turned on.
 
old Fin® Condenser
Corrosion Resistant
 
Live on the coast? Don’t worry, our condenser is built to resist long term corrosion.
 
Digital Assistant Ready
Google Assistant & Amazon Alexa
 
The new MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.
 
Best Warranty in the Business
Limited Lifetime* & 7 Yr Replacement* on Compressor + 5 Yr Parts
 
4th Gen DIY®s have an optional LIMITED LIFETIME compressor warranty*, a 7-year compressor replacement* warranty, and a standard 5-year parts warranty for the original registered owner. See rules and restrictions here.