MRCOOL® 12k DIY 5th Generation Mini-Split Air Handler 230v

The 5th Generation MRCOOL® DIY® 12k BTU Ductless Heat Pump Single Zone Mini-Split Air Handler is the ideal comfort solution for spaces up to 550 sq. ft. Designed with homeowners in mind, this system offers true DIY installation—no special tools or professional HVAC assistance required. It's a fast, affordable, and simple way to upgrade your comfort. The included DIYPRO® cable eliminates the need for electrical conduit, making installation even easier while adding extra protection against the elements and wildlife. This thoughtful design not only simplifies the process but also extends the system’s durability for long-lasting performance. Once installed, controlling your environment is effortless. Use the included remote control, the SmartHVAC app on your smartphone (iOS or Android), or hands-free voice commands with Amazon Alexa or Google Assistant. You can schedule temperature changes, monitor energy usage, and adjust modes with ease. This unit also includes smart comfort features like Follow Me® technology, which uses the remote to sense temperature and direct airflow where it’s needed most. Dry Mode helps manage humidity, improving indoor air quality and comfort. The Gold Fin® condenser coating provides corrosion resistance, making the unit well-suited for humid or coastal locations. Backed by a 7-year compressor warranty, 5-year parts warranty, and eligibility for the MRCOOL® Care Program, this mini-split is built for reliability. Enjoy efficient performance, smart control, and simple installation with the MRCOOL® DIY® 12k system.

PLEASE NOTE: THIS LISTING IS FOR AN AIR HANDLER ONLY.  A CONDENSER AND LINE SETS ARE REQUIRED FOR A COMPLETE SYSTEM.  PLEASE CONTACT US DIRECTLY FOR A CUSTOM QUOTE OR CHOOSE YOUR OWN…

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COMPATIBLE LINE SETS (ONE PER AIR HANDLER OR CHOOSE COUPLER PLUS TWO LENGTHS OVER 50 FT UP TO 75 FT OR DIYCOUPLER FOR LENGTHS OVER 75 FT PLUS LINE SETS)

- 16ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor - R454B

- 25ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor - R454B

- 25ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B

- 25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor - R454B

- 25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor w/ DIY Pro Cable - R454B Compatible with EZ Pro

- 35ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B

- 50ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B

- DIY 4th/ 5th Gen DIY COUPLER with 75ft DIY Pro Cable for 6k,9k,12,18k

- DIYCOUPLER-38 + DIYCOUPLER-58 (Two Sets) w/ 75 ft of Communication Wire