MRCOOL DIY Mini Split - 18,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump with 16 ft. and 50 ft. Install Kit, DIYM218HPW00C04

MRCOOL DIY Mini Split 18,000 BTU 2-Zone Ductless Air Conditioner & Heat Pump with 16 ft. & 50 ft. Install Kit

Model: DIYM218HPW00C04

The 4th Generation MRCOOL DIY Multi-Zone Mini Split System is a complete heating and cooling solution designed to comfortably condition two separate rooms—with no professional installation required. This system includes an 18,000 BTU multi-zone condenser, two 9,000 BTU wall-mounted air handlers, and pre-charged DIY line sets, allowing homeowners to install the system themselves and save significantly on labor costs.

Built with MRCOOL’s patented Quick Connect® technology, this system comes pre-charged with refrigerant and requires only basic tools for installation. Integrated Wi-Fi control allows you to manage your comfort from anywhere using your smartphone, while advanced inverter technology delivers reliable performance and energy efficiency year-round.

What’s Included

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

• MRCOOL DIY 9K BTU Wall-Mounted Air Handlers with Wi-Fi (Qty: 2)
Model: DIY-09-HP-WMAH-230C25

• MRCOOL DIY 16 ft. Pre-Charged Line Set (1/4” x 1/2”)
Model: DIY16-1412

• MRCOOL DIY 50 ft. Pre-Charged Line Set (1/4” x 1/2”)
Model: DIY50-1412C

Remote controls, mounting hardware, smart controller kit, and full installation accessories

Condenser Features

• High Efficiency: Achieves up to 21 SEER when paired with compatible MRCOOL DIY air handlers

• All-Season Performance: Provides heating in outdoor temperatures as low as 5°F

• DIY Installation: Pre-charged Quick Connect® line sets eliminate the need for vacuuming or specialized tools

• Lifetime Compressor Warranty: Eligible for limited lifetime compressor warranty with registration through the MRCOOL Care Program

Air Handler Features (9,000 BTU each)

• Coverage Area: Up to 375 sq. ft. per room

• Multiple Operating Modes: COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP

• Smart Control: Control via remote or smartphone using the Smart HVAC app (iOS & Android)

• Compact Design: Lightweight wall-mounted units with included mounting plates for easy installation

Line Set Details

• 16 ft. & 50 ft. Pre-Charged Copper Line Sets

• Designed specifically for MRCOOL DIY systems

• Pre-charged with the exact amount of R-410A refrigerant

• One line set required per indoor unit

• Enables true DIY installation without hiring a certified technician

Additional line sets and coupler kits are available if extended lengths are needed.

Why Choose MRCOOL DIY?

• No HVAC technician required

• Significant installation cost savings

• Smart Wi-Fi control out of the box

• Proven reliability with industry-leading warranty options

• Ideal for homes, additions, garages, offices, and multi-room spaces