DIY 4th Generation 12K BTU Heat Pump Wall Mount Air Handler 230 volt with Enhanced WiFi (Works with Alexa, Works with Google Assistant)

Available For Purchase
Usually 2-5 business days
Killer Price

This item is heavily discounted and may not qualify for discounts unless bulk quantities are requested

Selected Add-Ons

    The NEW 4th Gen DIY Ductless Mini-Split. Everything that you’re used to with the 3rd Gen DIY is present in the 4th Gen, like impressive heating and cooling ranges, efficiency levels to get excited about, and a simplified do-it-yourself installation, but it’s all better.

    DIY 4th Generation Heat Pump Wall Mount Air Handler and Enhanced WiFi (Works with Alexa, Works with Google Assistant) 25ft DIYPro Cable Option

    Realiable Mr. Cool

    The 4th Gen DIY ductless mini-split heat pump wall mount air handler has completely updated specs, ensuring extreme efficiency and compliance with new rules and regulations. 

    Available in:

    9K BTU (230V)

    12K BTU (115V and 230V)

    18K BTU (230V)

    24K BTU (230V)

    36K BTU (230V)


    How could the DIY’s installation get any easier? It’s already just drill, mount, connect, isn’t it? Your electrician will be excited to work on this unit thanks to the addition of the new DIYPRO MC cable, which securely connects the air handler to the condenser. This cable provides protection against weather, pesky animals, and even lawn mowers and weed eaters so you can keep enjoying refreshingly cool temperatures in the summer heat and toasty warmth in the winter chill no matter what.

    What Size Do I Need?

    The single-zone 4th Gen Heat Pump Wall Mount Air Handler comes in four sizes: a 12k BTU system, which typically covers 500 square feet, an 18k BTU system, which handles 750 square feet, a 24k BTU system that heats and cools 1,000 square feet, and a 36k BTU unit that covers 1,500 square feet. 

    These are perfect for more open areas, as there is only one place the air comes from with a single-zone unit. Sometimes one unit is all you need for complete comfort.


    This mini-split warranty is the best in the HVAC industry!

    For the ultimate protection, you can sign up for a limited lifetime compressor warranty and a 7-year unit replacement warranty! This means that if your compressor breaks down, you’ll get a new one whenever you need it, so the comfort never ends! 

    The warranty lasts as long as you keep up your end of the bargain. To receive this warranty, you’ll need to sign up for the MRCOOL Care Kit program, to ensure that you’re taking care of your unit. Contained in this kit are a foaming cleaning spray, a bottle, a sprayer to rinse the unit, and a water collection bag with a drain tube to keep your house dry when you’re cleaning the system. Signing up for this warranty also entitles you to a standard 5-year parts warranty.

    If you do not sign up for the MRCOOL Care Kit, you’ll still receive the standard 5-year parts and a 7-year compressor warranty. 

    Introducing DIY 4th Generation Air HandlerIntroducing DIY 4th Generation Air Handler
    Introducing DIY 4th GenerationIntroducing DIY 4th Generation

    More Information
    NameDIY 4th Generation 12K BTU Heat Pump Wall Mount Air Handler 230 volt with Enhanced WiFi (Works with Alexa, Works with Google Assistant)
    BTU12K BTU
    FREE ShippingNo