MRCOOL 12,000 BTU Wall Mount Air Handler – DIY-12-HP-WMAH-115D25-O

Transform your space with the 5th Generation MRCOOL® DIY® 12k BTU Ductless Heat Pump Single Zone Mini-Split Air Handler—engineered for easy, tool-free installation and powerful, efficient performance. Perfect for areas up to 550 sq. ft., this system delivers reliable heating and cooling without the need for professional help or specialized skills.
Included with the system is the innovative DIYPRO® cable, which boosts protection and simplifies the installation process by eliminating the need for traditional electrical conduit. It provides added durability and safeguards your system from outdoor elements and potential damage caused by animals or weather.
Stay in control with multiple user-friendly options. Use the included wireless remote, control your system through the SmartHVAC app available on iOS and Android devices, or operate it hands-free using Amazon Alexa or Google Assistant. The Gold Fin® condenser coating offers advanced corrosion resistance, making this system ideal for coastal and high-humidity locations.
Built for personalized comfort, the air handler features Follow Me® technology, which senses the temperature around the remote and adjusts the airflow accordingly. Dry Mode helps manage indoor humidity levels, reducing excess moisture and improving overall comfort in your space.
This system is also backed by one of the strongest warranties in the industry—a 7-year compressor warranty and a 5-year parts warranty. This system is also eligible for the MRCOOL® Care Program.
Combining simple installation, smart controls, and dependable year-round performance, the 5th Generation MRCOOL® DIY® 12k BTU Air Handler is the ultimate solution for efficient, personalized home comfort.