MrCool DIY 5th Gen 2 Zone 48000 BTU Mini Split Heat Pump System - Choose Your Indoor Units - R454B

MRCOOL DIY® 48,000 BTU 6-Zone Ductless Heat Pump Condenser – Model DIY-MULTI6-48HP230D-O | 230V

High-capacity comfort for large homes and light commercial spaces

The MRCOOL DIY® Multi6 48,000 BTU Multi-Zone Condenser is designed for large residential or light commercial applications requiring up to six indoor zones. It provides powerful, consistent performance across multiple rooms, delivering personalized comfort where you need it most.

With variable-speed inverter technology, pre-charged line sets, and smart home integration, the DIY-MULTI6-48HP230D-O offers efficient, quiet, and flexible heating and cooling—all installable without professional tools.

Features & Benefits

• 48,000 BTU capacity – supports up to six indoor air handlers
• 230V power supply with advanced inverter compressor
• Quick Connect pre-charged line sets enable true DIY installation
• Smart home compatibility with Alexa®, Google Assistant®, and SmartHVAC app
• Designed for high-efficiency comfort and whisper-quiet operation

MRCOOL DIY® Wall Mounted Air Handlers

Easy-to-install comfort for every room with MRCOOL’s DIY® mini-split technology

The MRCOOL DIY® Wall Mounted Air Handlers deliver exceptional comfort, energy efficiency, and convenience for homes and businesses alike. Available in sizes from 6,000 BTU to 36,000 BTU, these wall-mounted indoor units are designed for use with MRCOOL’s innovative DIY® Ductless Mini-Split Heat Pump Systems. Each air handler offers quiet operation, advanced control options, and easy, no-vacuum installation with the MRCOOL® pre-charged line sets.

Built for DIY installers and professionals alike, these units feature variable-speed inverter technology for precise temperature control, built-in Wi-Fi for smart home integration, and a sleek, modern design that fits comfortably in any space. The washable filters, auto-restart function, and multiple fan modes make maintenance simple while maximizing year-round comfort.

Features & Benefits

• Available in 6,000 to 36,000 BTU capacities to fit rooms of any size
• Designed exclusively for MRCOOL DIY® Ductless Mini-Split Heat Pump Systems
• Easy wall-mounted installation – no vacuum pump or special tools required
• Built-in Wi-Fi for smart home control via the MRCOOL SmartHVAC app, Alexa®, and Google Assistant®
• Variable-speed inverter technology ensures energy-efficient performance
• Quiet operation for enhanced comfort in bedrooms, offices, and living areas
• Washable, reusable filters reduce maintenance costs
• Auto restart and sleep mode for convenience and energy savings
• Factory-approved components for reliability and long service life

MRCOOL DIY® Ceiling Cassette Air Handlers Multi-Zone Ductless Mini-Split Systems

Discreet, powerful comfort for every room — easy to install and built to last

The MRCOOL DIY® Ceiling Cassette Air Handler Series offers premium, built-in comfort for homes and businesses without the need for complicated installation. Designed exclusively for use with MRCOOL DIY® Multi-Zone Ductless Mini-Split Heat Pump Systems, these ceiling-mounted units combine sleek design, whisper-quiet operation, and the industry’s easiest setup — all while delivering powerful heating and cooling performance.

Available in 6,000 BTU, 9,000 BTU, 12,000 BTU, and 18,000 BTU capacities, MRCOOL DIY® Ceiling Cassettes provide flexible, zoned comfort for spaces ranging from small bedrooms to large open living areas. Each model installs seamlessly between standard ceiling joists, maintaining a clean, low-profile appearance that blends into any room design. With built-in Wi-Fi connectivity, users can control temperature settings through the MRCOOL SmartHVAC app, or hands-free via Alexa® and Google Assistant®.

Engineered with inverter-driven technology and four-way directional airflow, these ceiling cassette air handlers distribute air evenly and efficiently across your space. The result is customized comfort, energy savings, and professional-quality performance — all achievable without professional installation costs.

Features & Benefits

• Available in 6,000 – 18,000 BTU models for rooms up to 750 sq. ft.
• Compatible with MRCOOL DIY® Multi-Zone Mini-Split Heat Pump Systems
• Ceiling-mounted design installs between standard joists for a sleek, flush appearance
• Four-way directional airflow ensures consistent comfort throughout the room
• Built-in Wi-Fi control via the MRCOOL SmartHVAC app, Alexa®, and Google Assistant®
• Inverter technology delivers quiet, energy-efficient performance
• Simple DIY installation — no vacuum pump or special tools required
• Ideal for residential or light commercial applications
• Factory-backed reliability from MRCOOL, a trusted name in home comfort innovation

Fast nationwide fulfillment from the USA. Free shipping on qualifying orders over $1,500. See our shipping and returns policy for full details.