MRCOOL | DIY Mini Split - 42,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump | DIY-BC-448HP09091212

MRCOOL DIY 4th Gen 48K BTU Multi-Zone Mini Split System with 4 Ceiling Cassettes

Big home? Big family? Big comfort. This DIY 5-zone MRCOOL system is built to handle it all—without needing an HVAC degree (or a second mortgage).

Benefits

• Whole-Home Coverage: With four ceiling cassette air handlers and a powerhouse 48,000 BTU condenser, you’ll keep everyone happy—yes, even the person who “runs hot.”

• DIY Confidence: No pros required. If you can follow IKEA instructions, you can handle this install (and save a fortune while doing it).

• Invisible Comfort: Ceiling cassette design means quiet, out-of-sight heating and cooling—no bulky wall units stealing the spotlight.

• Smart Maintenance: Lower the filter with the touch of a button for quick cleaning. Because no one actually enjoys climbing ladders.

• Worry-Free Warranty: The only condenser rocking a limited lifetime compressor warranty—just register with MRCOOL Care and relax.

Features

• 48K BTU Multi-Zone Condenser (DIY-MULTI5-48HP230C)

  • Supports up to 5 zones

  • 20.5 SEER efficiency rating with select MRCOOL air handlers

  • Performs in temps as low as -13°F

  • Limited lifetime compressor warranty with registration

• Two 9K BTU Ceiling Cassette Air Handlers (DIYCASSETTE09HP-230C25)

  • Coverage up to 375 sq. ft. each

  • Modes: COOL, HEAT, AUTO, DRY, SLEEP

  • Slim, discreet installation between joists (including I-joists)

  • Elevation function lowers the filter panel for easy cleaning

• Two 12K BTU Ceiling Cassette Air Handlers (DIYCASSETTE12HP-230C25)

  • Coverage up to 500 sq. ft. each

  • Modes: COOL, HEAT, AUTO, DRY, SLEEP

  • Low-profile ceiling installation for seamless style

  • Elevation function for quick filter access

• Remotes (x4)

  • Each zone gets its own remote—no thermostat battles required

• Note: Linesets are not included in this package. Scroll up to add them before checkout.

Specifications

Condenser

Air Handler 9K BTU

Air Handler 12K BTU

Information and Guides

Installation Manual
Product Brochure
Performance Specifications
Warranty
Energy Guide
AHRI Certificate