DIY Select 1st Gen - R454B Ductless Mini-Split Heat Pump System

The MRCOOL® DIY Select™ is the perfect choice if you’re looking for an affordable, reliable way to bring year-round comfort into your home without the hassle or cost of traditional HVAC installation. Designed specifically for homeowners who want to save money and take control of their comfort, this economy DIY mini-split system makes installation simple with MRCOOL’s patented Quick Connect® pre-charged line set—so you don’t need vacuum pumps or special tools to get started. Each system includes an 11.5 ft pre-charged line set and a 13 ft DIYPRO® communication cable, giving you everything you need for a smooth setup. With up to 17.5 SEER2 efficiency and 9.5 HSPF2 heating performance (by model), you’ll enjoy consistent comfort while keeping energy use in check. Once installed, you can control your system from anywhere using Wi-Fi and the SmartHVAC app, or even through Alexa and Google Assistant for hands-free convenience. Whether you’re upgrading a bedroom, finishing a garage, or adding comfort to a small space, the DIY Select™ gives you a smart, budget-friendly way to stay comfortable all year long without the complexity or high cost of traditional HVAC systems.