HOT ! MRCOOL DIY Mini Split - 18,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump, DIY-BC-218HP0909

MRCOOL DIY 18,000 BTU 2-Zone Ceiling Cassette Mini Split System (DIY-BC-218HP0909) – Up to 21 SEER

Enjoy discreet, energy-efficient comfort with the MRCOOL DIY 18,000 BTU 2-Zone Ceiling Cassette Mini Split System, designed for homeowners who want professional-grade performance with true DIY installation. This 4th Generation system includes a multi-zone condenser paired with two low-profile ceiling cassette air handlers, delivering powerful heating and cooling while keeping your living space visually clean.

What’s Included

• MRCOOL DIY Multi-Zone 2-Zone 18K BTU Condenser (4th Gen) – DIY-MULTI2-18HP230C

• MRCOOL DIY Series 9K BTU Ceiling Cassette Air Handler – DIYCASSETTE09HP-230C25 (Qty: 2)

• Wireless remotes included

• Line sets sold separately

Key Features & Benefits

• High-Efficiency Multi-Zone Performance

• Up to 21 SEER when paired with compatible MRCOOL DIY air handlers

• 18,000 BTU total system capacity

• Independent temperature control for two separate zones

• Cold-Climate Ready

• Maintains heating performance in outdoor temperatures as low as -13°F

• Ideal for year-round comfort in both mild and cold climates

• True DIY Installation

• Compatible with MRCOOL patented Pre-Charged Quick Connect® Line Sets

• Line sets come pre-filled with R-410A refrigerant

• No vacuuming, welding, or special tools required

• Designed for homeowner installation, saving on labor costs

• Ceiling Cassette Air Handlers (9K BTU x2)

• Each unit covers up to 375 sq. ft.

• Discreet low-profile ceiling-mounted design keeps units out of sight

• Multiple operating modes: Cool, Heat, Auto, Dry (Dehumidify), and Sleep

• Even, 4-way air distribution for balanced room comfort

• Easy Maintenance & Smart Controls

• Elevation function allows easy access to filters for cleaning

• Wireless remote included with each cassette

• Optional smart controller compatibility

• Warranty Coverage

• 7-year compressor warranty and 5-year parts warranty

• Eligible for limited lifetime compressor warranty with MRCOOL Care Program registration

Why Choose the MRCOOL DIY Ceiling Cassette System?

This system is ideal for homeowners who want invisible comfort, high efficiency, and complete control without hiring a professional installer. With ceiling-mounted air handlers, multi-zone flexibility, and DIY-friendly technology, it’s a smart solution for modern homes, offices, and additions.

Technical Specifications

• Model: DIY-BC-218HP0909

• System Type: Multi-Zone Ceiling Cassette Mini Split Heat Pump

• Zones Supported: 2

• Total Cooling Capacity: 18,000 BTU

• Total Heating Capacity: 18,000 BTU

• Efficiency Rating: Up to 21 SEER

• Air Handler Capacity: 9,000 BTU each

• Refrigerant: R-410A (pre-charged)

• Operating Temperature (Heating): Down to -13°F