Discover the 5th Generation MRCOOL® DIY® Mini-Split Systems
Engineered for easy installation and long-lasting comfort, the 5th Generation MRCOOL® DIY® Series lets homeowners heat and cool spaces of all sizes without special tools or professional help. Each system arrives pre-charged with R-454B refrigerant and includes the patented DIY® QuickConnect® line set for fast, mess-free installation. With advanced smart controls, premium materials, and an industry-leading warranty, MRCOOL® delivers reliable year-round comfort and energy efficiency you can trust.
Key Features:
• Easy DIY Installation – No vacuuming, brazing, or special tools required.
• Pre-Charged R-454B Line Sets – QuickConnect® fittings make setup simple for all system sizes.
• Smart Control Options – Adjust your comfort using the SmartHVAC app, Amazon Alexa, or Google Assistant.
• DIYPro® Cable – Eliminates electrical conduit for a cleaner, faster install.
• Follow Me® Function – The remote tracks temperature where you are for personalized comfort.
• Gold Fin® Condenser – Corrosion-resistant protection for long-term durability in all climates.
• Heating Down to -13°F – Reliable performance even in extreme cold.
• Dry Mode – Acts as a built-in dehumidifier to remove excess humidity.
• Energy Efficient & Rebate Eligible – Designed for year-round performance and Energy Star efficiency.
• Industry-Leading Warranty – Limited lifetime warranty, plus 7-year compressor and 5-year parts coverage.