MRCOOL DIY 5th Gen Hyper Heat Single-Zone Mini-Split Complete System

MRCOOL DIY® 5th Generation Hyper Heat Single-Zone Mini Split System The MRCOOL DIY® 5th Generation Hyper Heat single-zone mini split system is a complete heating and cooling solution designed for homeowners who need reliable performance in extreme weather and want to install the system themselves. This system includes both the outdoor Hyper Heat condenser and the compatible indoor air handler, delivering year-round comfort without the cost of professional HVAC installation. Built for cold climates, the Hyper Heat system provides full heating performance in outdoor temperatures down to minus 22 degrees Fahrenheit and continues operating in temperatures as low as that range. Cooling performance remains stable in outdoor temperatures up to 122 degrees Fahrenheit, making this system suitable for regions with harsh winters, hot summers, or both. The system operates using the environmentally responsible R-454B refrigerant, which is more efficient and compliant with current and upcoming federal regulations. DC inverter technology continuously adjusts output to match demand, helping maintain steady indoor temperatures, reduce energy consumption, and keep operating noise low. The outdoor unit features a Gold Fin coated coil and durable cabinet construction designed to resist corrosion, moisture, and long-term exposure to the elements. This system is designed for true DIY installation. It includes a factory-sealed 25 ft pre-charged Quick Connect® line set that comes attached as part of the system and cannot be removed or exchanged for a different length. No vacuum pumps, gauges, brazing, or refrigerant handling are required. Installation is completed using standard hand tools, making it accessible for homeowners comfortable with basic mechanical and electrical work. If the full 25 ft line set is not needed, the excess length can be neatly coiled behind the outdoor condenser. This allows flexibility in placement without affecting system performance or warranty coverage, as long as the line set is not cut, shortened, or modified. When paired with the included indoor air handler, the system delivers even airflow and consistent temperatures throughout the space. It is well suited for bedrooms, living areas, garages, workshops, additions, and other single-zone applications where dependable heating and cooling are required. Control options are straightforward. Temperature and operating modes can be adjusted using the included remote or through the SmartHVAC app. Voice control through Amazon Alexa and Google Assistant is supported but optional, allowing the system to function independently of smart home platforms. Warranty coverage is intended for long-term ownership. The system includes a 7-year compressor warranty and a 5-year parts warranty. Homeowners who register and enroll in the MRCOOL Care program can upgrade to enhanced limited lifetime compressor coverage. What Is Included Hyper Heat 5th Gen outdoor condenser 5th Gen indoor air handler 25 ft factory-sealed pre-charged Quick Connect® line set (cannot be removed or exchanged) Communication wire and drain hose Remote control and WiFi dongle User and installation documentation This complete Hyper Heat system is a practical choice for homeowners who want serious cold-weather performance, straightforward DIY installation, and a long-term heating and cooling solution without relying on contractors.