DIY Mini Split Systems by MRCOOL

Shop our full collection of MRCOOL DIY mini split systems, including the popular Easy Pro™ and advanced 5th Generation DIY® Series. These energy-efficient heating and cooling systems are designed for fast, simple installation without the need for specialized tools or professional HVAC services. Whether you're upgrading a single room or outfitting multiple zones, there's a MRCOOL system to match your needs.

MRCOOL Easy Pro™ Mini Split Systems

• Designed for smaller spaces such as bedrooms, home offices, and garages
• Includes a 16 ft. pre-charged line set for quick installation
• Ideal for homeowners seeking an affordable, straightforward DIY HVAC solution
• Reliable performance with a streamlined feature set

MRCOOL 5th Gen DIY® Mini Split Systems

• Available in both single-zone and multi-zone configurations
• Features Smart HVAC technology with app, Wi-Fi, and voice control capabilities
• Includes pre-charged Quick Connect® line sets in multiple lengths for flexible installation
• DC inverter technology delivers superior energy efficiency and quiet operation
• Ideal for whole-home solutions or multi-room climate control

Which DIY Mini Split System Is Right for You?

If you're looking to heat or cool a single room on a budget, the MRCOOL Easy Pro is a reliable and cost-effective option. For homeowners who need to control the climate in multiple zones or want advanced features like smart connectivity and enhanced efficiency, the 5th Gen DIY Series is the best choice.

All systems in this collection are fully DIY-friendly, pre-charged with R-410A refrigerant, and designed to help you stay comfortable year-round while saving on installation costs. Browse below to find the perfect DIY mini split system for your space.