Mrcool DIY 4th Gen 18K BTU-1.5 Ton-22 SEER-Ductless Mini-Split Heat Pump Complete System With Ceiling Cassette Air Handler & 25 Ft. Line Set

The MRCOOL DIY 4th Gen 18,000 BTU Mini-Split Heat Pump System is designed for superior efficiency, quiet operation, and easy installation. Featuring a sleek ceiling cassette air handler, this system offers a discreet, space-saving alternative to traditional wall-mounted units while delivering powerful single-zone heating and cooling.

With an impressive 22 SEER rating, this system is ideal for homeowners and business owners looking for high-performance climate control with reduced energy costs. The pre-charged 25 ft. DIY line set eliminates the need for professional installation, making it a true DIY solution for those seeking convenience, efficiency, and affordability.

Unmatched Energy Efficiency & Performance

Built for high-efficiency operation, this mini-split system provides year-round comfort while keeping energy consumption low.

• 22 SEER rating for maximum energy savings
• 1.5-ton capacity with 18,000 BTU output for powerful heating & cooling
• Eco-friendly R-410A refrigerant reduces environmental impact
• Operates efficiently in extreme temperatures as low as 5°F

Advanced Ceiling Cassette Air Handler

Designed to blend seamlessly into any modern space, the MRCOOL ceiling cassette air handler installs easily between standard 16” ceiling joists, offering a low-profile, space-saving alternative to traditional indoor units.

• Discreet, modern design for a clean aesthetic
• Multiple comfort modes: FAN ONLY, QUIET, SLEEP, and AUTO COOL
• Elevating Air Filter System allows easy cleaning—lowers up to 4.9 ft
• Multi-Zone Compatibility enables future expansion with MRCOOL’s multi-zone condensers

DIY Installation – No Professional Required

The MRCOOL DIY Mini-Split is built for effortless installation, allowing homeowners to save thousands in labor costs without sacrificing performance.

• Pre-charged Quick Connect Line Set (25 ft.) for a vacuum-free, tool-free setup
• No refrigerant handling required—ideal for DIY installation
• Smart HVAC App provides guided setup and system monitoring

Smart Home Integration for Ultimate Control

The MRCOOL DIY Mini-Split is equipped with WiFi-enabled SmartHVAC technology, providing remote control from anywhere via a smartphone or voice assistants.

• Works with Amazon Alexa and Google Assistant for hands-free operation
• SmartHVAC app for Apple and Android devices allows real-time monitoring
• Follow Me® Feature adjusts temperature based on the remote’s location

Durable Construction for Long-Term Use

Designed to withstand harsh weather conditions, the MRCOOL Advantage Mini-Split features a Gold Fin® condenser for enhanced corrosion resistance, making it ideal for coastal and humid environments.

• Gold Fin® Anti-Corrosion Coating protects against rust and extends system lifespan
• All-weather performance ensures reliable operation in extreme temperatures
• Washable air filter for improved indoor air quality

Reliable Warranty Coverage for Peace of Mind

MRCOOL stands behind its DIY Mini-Split systems with an industry-leading warranty, ensuring long-term reliability.

• 7-Year Compressor Warranty for worry-free operation
• 5-Year Parts Warranty for added protection
• Limited Lifetime Compressor Warranty available with registration

Why Choose the MRCOOL DIY 4th Gen 18K BTU Mini-Split?

This DIY-friendly mini-split system is the ideal solution for homeowners seeking efficiency, reliability, and easy installation.

• Energy Star Certified – 22 SEER efficiency for lower energy costs
• True DIY Installation – No HVAC professional required
• Sleek Ceiling Cassette Design – Space-saving, low-profile alternative
• Pre-Charged Line Set – 25 ft. Quick Connect setup with no special tools needed
• Smart Home Integration – Works with Alexa, Google Assistant, and SmartHVAC app
• Superior Warranty – 7-year compressor & 5-year parts coverage

Final Words

The MRCOOL DIY 4th Gen 18,000 BTU Mini-Split with ceiling cassette air handler is an efficient, stylish, and budget-friendly solution for homeowners looking for powerful climate control without professional installation. With exceptional energy savings, smart home capabilities, and a durable build, this system offers a perfect balance of performance, convenience, and long-term reliability.