Benefits & Features
Comfort Made SimpleMRCOOL® 4th Generation Enhanced DIY®
Easy DIY® Installation
Precharged R-410 Quick Connect® Line SetPre-charged linesets allow you to install this innovative ductless system without special tools, equipment, or training. Couplers are available for extended lengths. Check out our patent here.
Certified EfficiencyGoing above and beyond for efficiency while maintaining optimum performance and reliability, the 12K, 18K and 24K models are Energy Star Certified.
Enhanced Control from AnywhereControl your MRCOOL DIY® anywhere with your Apple or Android smart device and an internet connection.
NEW DIYPRO™ Cable
Safety & DurabilityThe included DIYPro™ Cable eliminates the need for electrical conduit providing higher mechanical protection and durability.
Follow Me® Function
Personalized PerformanceKeep the remote close by, and MRCOOL DIY® will track the air temperature around you to ensure you receive maximum comfort.
Protecting Your InvestmentWhen 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°FThis feature makes the MRCOOL DIY® the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.
Never Lift a FingerPower outage? Don’t worry, the MRCOOL DIY® auto restart will have the unit running again in no time at all.
24-Hour ComfortWe 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 ToHorizontal louver will automatically move to the same position as you set last time the unit was turned on.
Gold Fin® Condenser
Corrosion ResistantLive on the coast? Don’t worry, our condenser is built to resist long term corrosion.
Digital Assistant Ready
Google Assistant & Amazon AlexaThe 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 Parts4th 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.
Quick-Connect® Pre-Charged Line Set
Kink resistant for easier bending during installation
100% accurately precharged R-410A refrigerant
Standard lengths of 16ft and 25ft can be combined using optional DIY® Couplers for longer lengths
Simple to Use, Leak Proof, and Screw-on Quick Connect Valves do not require vacuuming
Quicker Installation than Conventional Line Sets
Strong UV protective insulation provides extra protection against sun damage, weather erosion, or destruction from animals or insects
Now Included: The DIYPro™ cable - a stronger electrical conduit that protects your cables from the weather and from gardening tools