MRCOOL® DIY® 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 36K) 3 x 25ft line sets- Ductless Mini-Split Air Conditioner & Heat Pump — DIYM355HPW09D37

Product Description  Model: DIYM355HPW09D37   The MRCOOL® DIYM355HPW09D37 is a high-performance, large-capacity 5th Generation DIY® multi-zone system designed for homeowners who need serious cooling and heating power across multiple rooms and large open areas—without paying professional installation costs. This bundle is built around the MRCOOL® DIY® 55,000 BTU 6-Zone condenser and pairs two 9K BTU air handlers for bedrooms, offices, or smaller living spaces with a massive 36K BTU wall-mounted unit for great rooms, basements, workshops, or open-concept main floors. The result is balanced zoning, independent comfort control, and maximum efficiency where it matters most. Thanks to DIY® QuickConnect® pre-charged line sets, DIYPRO® cable, and MRCOOL’s no-vacuum installation design, homeowners can install this system themselves—saving thousands while still getting contractor-grade performance. With R-454B refrigerant, DC inverter technology, and full smart app control, this system is built