Introducing the MRCOOL® DIY® 4th Generation, the ultimate DIY heating and cooling solution. With its easy installation and advanced features, you can create your own comfort zone without the need for professional assistance. The DIY® 4th Generation features smart connectivity, allowing you to control your system from anywhere using your smartphone. It offers efficient and reliable performance, adjustable airflow, and precise temperature control. Designed with innovation and convenience in mind, the MRCOOL® DIY® 4th Generation puts you in control of your indoor climate. Experience comfort on your terms with this cutting-edge DIY system.
Easy DIY® Installation
4th Gen DIY®s have an optional LIMITED LIFETIME compressor warranty*, a 7-year compressor replacement* warranty, and a standard 5-year parts warranty for the original registered owner.
You have 30 days to initiate a return process for items that are unused and in their original packaging.
If you receive an order that is damaged, defective, or incomplete, please don't hesitate to get in touch with us using the following contact information:
Items must be returned within 30 days of delivery to be eligible for a refund. Please note that returns received without a return authorization number will not be refunded.
Innovative Technology: MRCOOL is at the forefront of HVAC technology, consistently introducing innovative features and solutions to enhance comfort and efficiency.
Energy Efficiency: MRCOOL products are designed with energy efficiency in mind, helping you reduce your energy consumption and lower your utility bills.
Reliability and Durability: MRCOOL is committed to producing high-quality, durable products that withstand the test of time, ensuring long-lasting performance and reliability.
Customer-Centric Approach: MRCOOL prioritizes customer satisfaction, actively engaging with customers, understanding their needs, and delivering tailored solutions.
Ease of Installation and Use: MRCOOL products are designed for hassle-free installation and user-friendly operation, making them accessible to both professionals and homeowners.
Diverse Product Range: Whether you need air conditioners, heat pumps, gas furnaces, or ductless mini-split systems, MRCOOL offers a wide range of HVAC solutions to meet your specific requirements.
Industry-Leading Support: MRCOOL provides exceptional customer support, offering technical assistance, warranty coverage, and responsive service to ensure a positive experience.
Environmental Responsibility: MRCOOL is committed to sustainability, developing environmentally friendly HVAC solutions that reduce carbon footprint and promote a greener future.