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Enjoy year-round comfort with the MRCOOL DIY 5th Generation Multi-Zone Series Mini Split. This 48,000 BTU multi-zone system pairs a high-capacity outdoor condenser with one 18,000 BTU wall-mounted indoor air handler designed to condition up to 1,000 sq. ft. and one 36,000 BTU wall-mounted indoor air handler designed to condition up to 2,000 sq. ft.. Perfect for expansive open-concept areas, large commercial-style residential spaces, great rooms, and massive living zones, this system delivers independent temperature control with a clean, low-profile wall installation that complements any room decor.
Built-in Wi-Fi lets you control your mini split system from virtually anywhere using the MRCOOL Smart HVAC app on your compatible smartphone or tablet. Adjust temperatures, modify operating modes, set custom routines, and monitor your system whether you're relaxing at home or away.
Engineered for all-season performance, this heat pump provides dependable heating during chilly weather and is capable of operating in heating mode at outdoor temperatures as low as -13°F.
Zone 1
• Coupler - DIYCOUPLER-1412K75C • 16 ft – DIY16-1412-O • 25 ft – DIY25-1412-O • 35 ft – DIY35-1412C-O • 50 ft – DIY50-1412C-OZone 2
• Coupler - DIYCOUPLER-3858K75C • 16 ft – DIY16-3858-O • 25 ft – DIY25-3858-O • 35 ft – DIY35-3858C-O • 50 ft – DIY50-3858C-OMRCOOL offers a 7-Year Compressor / 5-Year Parts limited warranty when installed according to manufacturer guidelines.
Enjoy reliable year-round comfort with the MRCOOL DIY 5th Generation 18,000 BTU Single Zone Wall Mount Mini Split Air Handler. Designed for use with a compatible outdoor condenser, this indoor unit delivers 18,000 BTU of heating and cooling for spaces up to 1,000 square feet. With R454B refrigerant, Wi-Fi and smartphone app capabilities, an included remote controller, and a DIY-friendly design, it provides convenient temperature control and simplified installation for your space.
MRCOOL offers a limited warranty of 2-Year Compressor / 1-Year Parts Warranty* when installed according to manufacturer guidelines.
The MRCOOL DIY 36k BTU 5th Generation Mini-Split Air Handler offers exceptional climate control for large spaces, combining powerful performance with simple, DIY-friendly installation. Engineered for spaces up to 1,500 square feet, this 230V unit provides energy-efficient heating and cooling year-round.
Using MRCOOL’s revolutionary DIY Quick Connect pre-charged lineset, this system eliminates the need for special tools or HVAC certifications. Alongside smart functionality and whisper-quiet operation, the DIY-36-HP-WMAH-230D25-O brings professional-grade comfort directly to your home.
The MRCOOL DIY 5th Gen 36k Air Handler is the ultimate solution for large-scale residential comfort. With smart controls, superior performance, and true DIY capability, it’s an ideal choice for those looking to take full control of their indoor climate with ease.
Bring customizable year-round comfort to multiple areas of your home with the MRCOOL DIY 5th Generation 48,000 BTU 6-Zone Multi-Zone Mini Split Heat Pump Condenser. Designed to support up to six compatible indoor air handlers, this outdoor unit can provide heating and cooling for spaces up to 2,500 square feet. With up to 21.8 SEER2 efficiency, R454B refrigerant, smart connectivity, and Quick Connect technology, it delivers flexible comfort with a simplified DIY installation experience.
MRCOOL offers a limited warranty of 2-Year Compressor / 1-Year Parts Warranty* when installed according to manufacturer guidelines.
This wall mount bracket is perfect for outdoor mini split condensers. The length of the the wall bracket arms are 17” long. The condensing unit is mounted onto the L-shaped brackets and fastened using the bolts and anti-vibration washers provided.
Features:All sales of this product are final and are non-refundable.
Ensure a professional and secure installation for your condenser with this comprehensive installation kit. Designed to provide all the essential components needed for a smooth setup, this kit helps protect your system while ensuring proper electrical and refrigerant connections.
Equip your condenser with everything needed for a safe, durable, and professional installation. Order your Condenser Installation Kit today!
Coming in as one of the first brands to offer a multi zone DIY mini split, MRCOOL offers the DIYCOUPLER-1412K50 as a means of coupling two of MRCOOL's precharged line sets together to allow for a longer line for installations that need it, all the while keeping the system precharged in nature. To prevent the need of extending the control wire included with the air handler, the coupler also includes 50' of control wire to replace what comes with MRCOOL DIY air handlers. This coupler furthers MRCOOL's ability to provide a simple DIY installation to almost any wall mounted installation. Please note that this line set will only function with MRCOOL's DIY multi zone line of products and will not function with any other brand or system series.
Coming in as one of the first brands to offer a multi zone DIY mini split, MRCOOL offers the DIYCOUPLER-3858K75 as a means of coupling two of MRCOOL's precharged line sets together to allow for a longer line for installations that need it, all the while keeping the system precharged in nature. To prevent the need of extending the control wire included with the air handler, the coupler also includes 75' of control wire to replace what comes with MRCOOL DIY air handlers. This coupler furthers MRCOOL's ability to provide a simple DIY installation to almost any wall mounted installation. Please note that this line set will only function with MRCOOL's DIY multi zone line of products and will not function with any other brand or system series.
Please note the 50' version know as (DIYCOUPLER-3858K50) is out-of-stock and has been discontinued.
The MRCOOL DIY16-1412-O is a 16-foot pre-charged lineset designed for MRCOOL® DIY 18K indoor units using R-454B refrigerant. This lineset offers an easy-to-install, reliable solution that eliminates the need for vacuum pumps or refrigerant charging.
Featuring Quick Connect fittings, it allows for quick, tool-free connections between indoor and outdoor units. The durable insulation and corrosion-resistant copper tubing provide excellent thermal performance and long-lasting durability.
This lineset is an ideal choice for extending or replacing refrigerant lines in MRCOOL® DIY mini-split systems, providing an efficient and hassle-free installation.
The MRCOOL® DIY16-3858-O is a 16-foot pre-charged lineset designed specifically for MRCOOL® DIY 24K and 36K indoor units using R-454B refrigerant. This lineset simplifies installation by eliminating the need for vacuum pumps or refrigerant charging, making it perfect for both DIY enthusiasts and professionals.
Featuring Quick Connect® fittings, this lineset allows for quick, secure, and tool-free connections between indoor and outdoor units. The high-quality insulation and durable copper tubing ensure optimal thermal performance and long-lasting reliability.
This lineset offers a reliable and efficient solution for extending or replacing refrigerant lines in MRCOOL® DIY mini-split systems, ensuring hassle-free installation and optimal system performance.
The MRCOOL® DIY25-1412-O is a 25-foot pre-charged lineset designed for MRCOOL DIY 18K indoor units using R-454B refrigerant. This lineset offers a convenient and reliable solution that eliminates the need for vacuum pumps or refrigerant charging during installation.
Featuring Quick Connect fittings, it enables quick, tool-free connections between indoor and outdoor units. The durable insulation and corrosion-resistant copper tubing ensure optimal thermal efficiency and long-lasting performance.
This lineset is an excellent choice for extending or replacing refrigerant lines in MRCOOL® DIY mini-split systems, providing hassle-free installation and dependable operation.
Coming in as one of the first brands to offer a multi zone DIY mini split, MRCOOL offers the DIY25-3858 as a means of coupling two of MRCOOL's precharged line sets together to allow for a longer line for installations that need it, all the while keeping the system precharged in nature. This coupler furthers MRCOOL's ability to provide a simple DIY installation to almost any wall mounted installation. Please note that this line set will only function with MRCOOL's DIY multi zone line of products and will not function with any other brand or system series.