Mrcool DIY 4th Gen 12K BTU-1 Ton-22 SEER-Ductless Mini-Split Heat Pump Complete System

The MRCOOL DIY 4th Gen 12K BTU Mini-Split Heat Pump System offers an affordable and efficient solution for home and shop owners looking for premium climate control without the high price tag. This unit, which includes a Grade "A" condenser with minor cosmetic imperfections and a brand-new air handler, delivers the full power and performance of a premium MRCOOL system at a lower cost.

Designed for single-zone heating and cooling, this system can efficiently control the climate in spaces up to 500 sq. ft., making it ideal for bedrooms, offices, workshops, garages, and small living spaces. With an impressive 22 SEER energy efficiency rating, users can expect exceptional performance, lower energy bills, and environmentally friendly operation.

Energy Efficiency & Eco-Friendly Performance

Built with Energy Star-certified efficiency, the MRCOOL DIY Mini-Split is engineered to reduce energy consumption while delivering consistent comfort.

• 22 SEER rating ensures lower energy costs
• Eco-friendly R-410A refrigerant minimizes environmental impact
• Variable-speed DC inverter compressor for optimized energy use

DIY-Friendly Installation – No Professional Required

The MRCOOL DIY Mini-Split is one of the only truly DIY-friendly mini-split systems on the market, allowing homeowners to install it without professional assistance.

• Pre-charged line set simplifies installation—no vacuuming required
• Basic tools are all you need for setup
• Available in multiple line set lengths for customized installation

Customizable Line Set Options

Choose the perfect line set length for your space:

• 16 ft. Pre-Charged Line Set – Ideal for standard installations
• 25 ft. Pre-Charged Line Set – Offers flexibility for larger rooms
• 35 ft. Pre-Charged Line Set – Includes a longer control wire for convenience

Smart Technology for Effortless Control

Enjoy advanced climate control with smart home integration and remote management via the SmartHVAC app.

• Compatible with Amazon Alexa and Google Assistant for voice control
• Follow Me® feature adjusts temperature based on remote location
• Smartphone app allows remote adjustments from anywhere

Reliable Performance with Advanced Features

This mini-split system includes multiple modes and intelligent features for year-round comfort.

• Multiple Modes: Auto, Heat, Cool, Fan-Only, Dry (Dehumidification), and Sleep
• Gold Fin® Condenser: Provides superior corrosion resistance in humid or coastal environments
• Low Ambient Cooling: Functions efficiently in temperatures as low as 5°F

Industry-Leading Warranty for Long-Term Protection

MRCOOL offers one of the best warranties in the industry, ensuring your investment is well-protected.

• 7-Year Compressor Warranty for long-term reliability
• 5-Year Parts Warranty for added protection
• Optional Limited Lifetime Compressor Warranty available upon registration

Why Choose the MRCOOL DIY 4th Gen 12K BTU Mini-Split?

This system is designed for homeowners who want powerful, energy-efficient heating and cooling without the hassle of professional installation.

• Energy Star Certified – 22 SEER for maximum efficiency
• DIY-Friendly – No HVAC technician required
• Smart Home Integration – Works with Alexa & Google Assistant
• Multiple Line Set Options – 16', 25', or 35' for flexible installation
• Superior Warranty – Backed by MRCOOL’s industry-leading guarantees

Final Words

The MRCOOL DIY 4th Gen 12K BTU Mini-Split offers the perfect balance of performance, affordability, and convenience. Whether for a workshop, bedroom, garage, or office, this smart, efficient, and DIY-friendly system delivers high-quality climate control with lower energy costs. Take advantage of this cost-saving opportunity and enjoy year-round comfort with MRCOOL’s trusted reliability.