Mr Cool DIY 4th Gen 12000btu Mini Split Full Install

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Published 2023-02-10
The Mr Cool DIY 4th Generation Mini Split is easy to install on your own. This model is the 12000 btu model designed to be used in a space up to 500 sq ft. This unit has pre charged lines so you do not need to have any special equipment to install the unit. This is the 120v unit so a single 20amp breaker is used for power.

Find this unit on Amazon here:
amzn.to/3RDGkBp
and at Lowes:
www.lowes.com/pd/MRCOOL-DIY-3rd-Gen-ENERGY-STAR-12…

More information from the manufacturer:
Energy Star certified 22 SEER, 11.5 HSPF
Easy DIY installation: pre-charged R-410A 25ft quick connect line doesn't require special tools, equipment, or training
Designed to efficiently heat and cool a single 500 Sq Ft room
SmartHVAC app: wifi control - compatible with amazon Alexa and Google assistant - you can control your DIY anywhere with your apple or android smart device and an Internet connection
Variable-speed DC inverter compressor technology cuts operating costs

Introducing the latest in home comfort technology, with the 4th generation MRCOOL DIY 12K BTU, 22 SEER ductless Heat pump system. This powerful single-zone system has the capability of heating and cooling an area up to 500 sq. Ft. It comes complete with a 12K condenser, 12K air handler, and a 25 ft. line set pre-charged with R-410A refrigerant. The line set also has quick connectors which require no special tools, equipment, or training to install. The MRCOOL DIY system also includes many features that make it stand out among its competitors. The first of which is its ability to achieve an outstanding 22 SEER efficiency rating allowing it to be Energy Star certified. This system has many operating modes to select from to suit the needs of the user, including heat, cool, dry (dehumidification), and sleep. It also has the follow Me function that adjusts the temperature of the room based on the temperature being read by the hand-held remote control. The DIY features the convenience of being able to operate its modes and functions with your smart phone by using the smart HVAC app.

SethCraft is a participant in the Amazon Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com

All Comments (21)
  • @Frenebulox
    This video helped a great deal in my installation of one of these units this past weekend. In all of the videos I've seen of the installs, the hole saw attachment, a nice cardboard template and the hex key were included and the wires on head unit to condenser power line were numbered/labeled. None of that was the case for me. The manual included in the boxes is... adequate. Make sure that you can easily refer to this video. I already owned the appropriate hole saw but since I was at my best friend's house, 117 miles from mine, I now own two 2.5" hole saws. There was nothing in the manual specifying how the unlabeled wires on the power cord should be hooked up in the head unit or condenser. I am eternally grateful to Seth that he showed and narrated "Red wire goes to #2..." Good luck, be careful.
  • @heididecker707
    You did an excellent job of showing everything and clearly explaining. I started my install today.
  • @d.lasher
    Just wanted to say Thanks for posting this video - used it to complete my own install, working like a charm. (Used plastic gutter as the outside molding, worked perfectly)
  • Dude you did well! Great video shared with my neighbor looks like the way to go. Thanks for making the video.
  • @wisdomwisdom817
    You did an awesome job sir , thank you so much. You are a great teacher.
  • @salruiz8066
    I've been contemplating installing a mini split, replacing a swamp cooler setup that I have on an upper floor on my home. I have an HVAC system set up in my home, and I also have a zoned gas hot water boiler set up as well and a pellet stove on three levels. But my home doesn't have an open concept, so heating and cooling is usually irregular and not consistent. And it's wasteful heating and cooling areas that are not always occupied. Having minispits to control the environment to a particular area seems more cost effective than running the whole house HVAC or the boiler system. I'm looking to install an 18k btu dual split unit for my upstairs family room and downstairs weight room. I've watched a few installation videos on various sizes and brands of DIY minisplits. I've gotten a lot of tips and ideas from watching them. I enjoyed your video and your tutorial. Nice job..😎
  • @geraldfer
    Thank you... I'm comfortable with everything...I made a call to my local certified master electrician for the wiring part...which wasn't too expensive. So this will be done and then my shed will have HVAC...😊😊😊
  • @acorenuche
    Detailed explanation Keep the good work going
  • @TylerHVAC
    I want one so bad. Thank you for showing me.
  • @garyletendre6381
    That was hands down the best Mr Cool installation video I've seen. Thank you!
  • @sncruiser
    Vertical loops in the refrigerant lines will trap compressor oil. Oil will not return to the compressor. Compressor will fail for lack of lubrication. Replaced 3 DIY installs so far with less than a season of operation. Use shorter line sets.
  • @JG-nk7ld
    Best video I've seen on step by step to install! Thank you!
  • @miller8084
    Well done on both the install and the step-by-step vid.
  • @jllaine
    Minisplit install looks straight forward, I'd just be concerned about rain infiltration where the lines come through the wall. You'll have give us a follow up about how the lines were made tidy and sealed up for the weather. Thanks for sharing this.