MRCOOL | DIY Mini Split - 18,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 35 and 50 ft. Install Kit | DIYM218HPC00C15

MRCOOL DIY 4th Generation Mini Split System

Overview

This 4th Generation MRCOOL DIY Mini Split System provides an all-in-one solution for heating and cooling your home, office, or any other space. The package includes an 18K BTU multi-zone condenser, two 9K BTU ceiling cassette air handlers, remote controls, pre-charged line sets, and communication wiring for each air handler. Its standout feature is the ability to install it yourself, offering maximum flexibility without the need for costly HVAC services or specialized equipment.

Benefits

• All-in-one heating and cooling for home, office, or any space.
• DIY installation saves time and money. No need for licensed HVAC tech.
• Includes major components: 18K BTU condenser, two 9K BTU air handlers, remotes, pre-charged line sets, and wiring.
• Two-zone capability from a single condenser for flexible cooling and heating.

Features

• Mini Split System Components — MRCOOL DIY Multi-Zone 2-Zone 18K BTU Condenser (4th Gen Series, SKU: DIY-MULTI2-18HP230C); MRCOOL DIY Series 9K BTU Ceiling Cassette (SKU: DIYCASSETTE09HP-230C25) x2; MRCOOL 35ft 1/4 x 1/2 Pre-Charged Lineset (for 9K, 12K & 18K Indoor Units, 4th Generation, SKU: DIY35-1412C); MRCOOL 50ft 1/4 x 1/2 Pre-Charged Lineset (for 9K, 12K & 18K Indoor Units, 4th Generation, SKU: DIY50-1412C).
• Energy Efficient Condenser — 18K BTU with 21.2 SEER2 efficiency.
• All-Weather Performance — Heats down to -13°F.
• Worry-Free Warranties — 7-year compressor warranty and 5-year parts warranty. MRCOOL Care Program offers a lifetime compressor warranty upon registration.
• Air Handler Capabilities — 9K BTU unit designed for 180–375 sq ft spaces; modes include COOL, HEAT, AUTO, DRY, and SLEEP.
• Discreet Design — Low-profile ceiling cassette for minimal visual impact.
• Easy Installation — Mounts easily between standard joists on 16" centers, including pre-manufactured I-joists.
• Maintenance Made Easy — Elevation function lowers the filter panel for quick access.
• Line Sets — Pre-charged 35 ft and 50 ft linesets tuned for 9K/12K/18K indoor units.
• DIY-Friendly — Designed to install without certified technicians, reducing labor costs.
• Included Wiring — Communication wiring provided for each air handler.
• Remote Controls — Included for convenient operation of both indoor units.

Specifications

Condenser

Air Handler 9K BTU

Line Set

Line Set

Information and Guides

Installation Manual
Product Brochure
Performance Specifications
Warranty
Energy Guide
AHRI Certificate