MRCOOL DIY® 24K BTU 5th Gen Single-Zone Mini Split System

The MRCOOL DIY® 5th Generation 24,000 BTU Single-Zone Mini Split System delivers efficient, reliable heating and cooling for spaces approximately 750–1,000 square feet. Designed for homeowners who want professional-level performance without professional installation, this system combines energy efficiency, smart controls, and true DIY simplicity.

Built on MRCOOL’s proven DIY platform, the system uses MRCOOL® DIY® Quick Connect Pre-Charged Line Sets, allowing installation without vacuum pumps, refrigerant handling, or specialized HVAC tools. All critical components arrive factory sealed and pre-charged, making installation straightforward and accessible for most homeowners.

Advanced inverter technology helps maintain consistent indoor temperatures while reducing energy consumption. This system is ENERGY STAR® certified and uses R-454B refrigerant, a lower-GWP alternative to R-410A that meets modern efficiency and environmental standards without compromising performance.

Comfort control is flexible and intuitive. The system supports wireless remote operation, app-based control through the MRCOOL Smart HVAC app, and voice control with Amazon Alexa and Google Assistant. Features such as Follow Me temperature sensing and Dry Mode dehumidification allow you to fine-tune comfort throughout the year.

For long-term durability, the outdoor condenser is protected with Gold Fin® corrosion-resistant coating, making it suitable for coastal or high-humidity environments. Backed by strong manufacturer warranty coverage, the MRCOOL DIY® 24K system is built for dependable operation and peace of mind.

This system is an ideal solution for homeowners, garages, workshops, additions, and small commercial spaces that need efficient climate control, modern smart features, and the cost savings of DIY installation—without sacrificing quality or reliability.

SPECIFICATION & DIMENSIONS

Specifications:

• Brand: MRCOOL DIY®
• Model: DIY-24-HP-WM-230D25-O
• Capacity: 24,000 BTU
• Coverage Area: 750-1,000 sq. ft.
• Power Supply: 230V
• Line Set Length: 25ft. QuickConnect® pre-charged line set
• Refrigerant Type: R-454B (Lower GWP)
• Control Options: Remote, SmartHVAC App, Alexa, Google Assistant
• Certifications: Energy Star, Intertek Listed 5031495
• Compressor Warranty: 7 Years
• Parts Warranty: 5 Years