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© 2019 Homestead Tiny House Co., LLC. All Rights Reserved.

Location: Atlanta, GA


12k BTU 17.5 SEER MrCool DIY Ductless Heat Pump Split System with WiFi Smart Kit


Complete DIY Kit that can heat & cool up to 600 sq. ft.

Complete DIY Kit that can heat & cool up to 600 sq. ft.


With the MrCool DIY 12k Ductless Heat Pump Split System, you get a ductless heat pump so simple you could install it yourself! You don't need special tools or training to install this MrCool DIY 12k BTU, 17.5 SEER heat pump. The line sets are pre-charged with ozone-friendly R-410A refrigerant, and electrical connections are quick to hook up. The wall-mounted MrCool DIY 12k air handler adds great features like auto restart and louver position memory.


Bring comfort to your home no matter what the temperature is outdoors with this MrCool DIY 12k ductless mini split! Heat pump systems utilize a reversing valve to switch the refrigerant flow from the condenser to the wall unit, allowing for on demand heating and cooling at the press of a button.


Loaded with lots of convenient features, like wireless control and a user-friendly remote, this system has been designed for simple installation. The MrCool DIY Series is easy to install and doesn’t require any vacuuming or refrigerant charging. Equipped with precharged R410a refrigerant and a quick connect line set, this unit comes with everything you need to get the job done and get your home comfortable in no time. It relies on Gold Fin anti-corrosion protection, and the Follow Me feature for superior comfort.


Loaded with lots of features, it’s never been easier to control your home comfort system. Enjoy the convenience of the built in wifi capabilities that allow you to control your MrCool DIY 12k system from anywhere in the world on your Apple or Android smartphone. Leave the house and forget to turn off your heating or air conditioning? Not a problem! MRCOOL has you covered. Simply download the MRCOOL app and turn your system up, down, on, or off.


This MrCool DIY 12k system is 12,000 BTU and is suitable for installations that range from 450 to 550 square feet, making it a perfect choice for your living room, library, or work space. MrCool carries a large variety of ductless split system sizes, so you’ll be sure to find one that’s right for you and your next home comfort project.


The MrCool DIY 12k also works with the new MrCool Smart Controller, a smart home device compatible with Alexa, Google Assist, and the MrCool smartphone app!


The only ductless air conditioning and heating unit that is easy to install for thousands less than a conventional HVAC system. Mr Cool DIY even adjusts the temperature to the perfect degree wherever you are in your room.


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 set precharged with R410A 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. The MRCOOL DIY series comes with a precharged refrigerant line, alleviating one major obstacle to amateur installation in a single stroke.


MRCOOL ductless mini split air conditioners and heat pumps are the cutting edge of what modern, flexible fabrication can produce. These air conditioners rely on state-of-the-art manufacturing processes and advanced design to deliver high efficiency air comfort anywhere you need it.

  • EASY DIY INSTALLATION The included 25′ pre-charged 410 quick connect lineset allows you to install this innovative ductless system without special tools, equipment, or training.
  • FOLLOW ME Personalized Performance for wherever you are in the room. Keep the remote close by, and MRCOOL DIY will track the air temperature around you to ensure you receive maximum comfort.
  • LOW AMBIENT COOLING Cool all the way down to 5°F. Maintain cooling even when the outside temperature reaches 5 degrees. 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 after a power outage. The MRCOOL DIY auto restart will have the unit running again in no time at all.
  • GOLD FIN CONDENSER Live on the coast? Don’t worry, our condenser is built to resist long term corrosion.
  • REMOTE APP WIFI CONTROL Control your DIY anywhere with your Apple or Android smart device and an internet connection.
  • TEMPERATURE COMPENSATION Our temperature compensation technology help keeps you comfortable in any weather conditions
  • LEAKAGE DETECTION 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.
  • SLEEP MODE We made Sleep Mode easy to program to save money, and let you sleep a little easier.
  • LOUVER POSITION MEMORY The louver will automatically move to the same position as you set last time the unit was turned on.