MRCOOL | DIY Mini Split - 18,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit | DIYM218HPC00C00

MRCOOL 4th Gen Ceiling Cassette Mini Split – DIY 2-Zone System

Overview

This 4th Generation MRCOOL Ceiling Cassette Mini Split system provides a comprehensive heating and cooling solution for two separate rooms. The package includes the DIY 18,000 BTU Multi-Zone Condenser, two 9,000 BTU Ceiling Cassette Air Handlers, two remotes, and two 16 ft. installation kits. This system offers a discreet, low-profile alternative to traditional ductwork or wall-mounted units, fitting seamlessly into any room. Best of all, the system is designed for DIY installation, making it an accessible and cost-effective option.

Benefits

• DIY installation saves money and time.
• Two-zone heating/cooling for two rooms.
• Low-profile, discreet ceiling cassette fits between joists; blends into the room.
• No ductwork required; minimal disruption to space.
• Energy efficient when paired with compatible MRCOOL air handlers (up to SEER 21).
• Reliable for the long term: 7-year condenser replacement warranty and 5-year parts warranty.
• Effective heating down to -13°F outdoor temperature.

Features

• Package Includes: MRCOOL DIY Multi-Zone 2-Zone Condenser, 4th Gen Series (DIY-MULTI2-18HP230C); MRCOOL DIY Series 9K BTU Ceiling Cassette (DIYCASSETTE09HP-230C25) – 2 units; MRCOOL 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor (DIY16-1412) – 2 units
• Condenser: Energy efficient; paired with compatible MRCOOL air handlers to reach SEER up to 21
• Condenser: Heating performance in extreme conditions down to -13°F
• Condenser: 7-year condenser replacement warranty and 5-year parts warranty
• Air Handler – 9K BTU (2 units): Coverage up to 375 sq ft per unit
• Air Handler – 9K BTU (2 units): Multiple operating modes: COOL, HEAT, AUTO, DRY, and SLEEP
• Air Handler – 9K BTU (2 units): Low-profile installation between joists spaced 16 inches apart (including pre-manufactured I-joists)
• Air Handler – 9K BTU (2 units): Elevation function on the remote or smart controller lowers the filter panel for easy access
• Line Set – 16 ft. (2 units): Pre-charged with the exact amount of R-410A refrigerant
• Line Set – 16 ft. (2 units): DIY installation; no certified technician needed

Specifications

Condenser

Air Handler 9K BTU

Line Set

Information and Guides

Installation Manual
Product Brochure
Performance Specifications
Warranty
Energy Guide
AHRI Certificate