MRCOOL DIY 4th Gen 48K BTU 3-Zone Mini Split with 12K + 12K + 24K Air Handlers

Upgrade your home’s heating and cooling with the MRCOOL DIY 4th Gen 48K BTU 3-Zone Mini Split. Designed for DIY installation, this system provides zoned climate control across three rooms, featuring two 12K BTU wall-mounted air handlers and one 24K BTU air handler. The Gold Fin® condenser coating ensures durability in harsh weather conditions, while WiFi-enabled smart control allows you to manage your climate from anywhere. Whether it's summer heat or winter cold, enjoy energy-efficient comfort with 20.5 SEER2 efficiency and heating capability down to -13°F.

Key Features

Condenser (48K BTU)

• DIY-Friendly Installation – Comes with Pre-Charged Quick Connect Line Sets for tool-free setup.
• Gold Fin® Technology – Protects the condenser from corrosion, making it ideal for coastal areas.
• Energy Efficient – Rated 20.5 SEER2 with 8.5 HSPF-5 for lower energy costs.
• Wide Temperature Range – Operates in outdoor temps as low as -13°F for heating and up to 122°F for cooling.
• Durability & Warranty – 7-year compressor warranty and 5-year parts warranty for peace of mind.

Air Handler (12K BTU)

• Perfect for Small-to-Medium Rooms – Ideal for spaces from 376 to 500 sq. ft.
• Multiple Modes – Choose from Cool, Heat, Auto, Dry (dehumidify), Fan-Only, Quiet, and Sleep Mode.
• Smart Control – Compatible with the SmartHVAC App, Alexa, and Google Assistant.
• Compact Wall-Mounted Design – Sleek and space-saving for easy installation.

Air Handler (24K BTU)

• High-Capacity Heating & Cooling – Perfect for larger rooms from 751 to 1,000 sq. ft.
• WiFi-Enabled Convenience – Adjust settings via remote control, smartphone, or voice assistant.
• Energy-Saving Operation – Maintains consistent comfort with variable-speed inverter technology.
• Hassle-Free Maintenance – Washable filters and self-cleaning mode extend performance.

Pre-Charged Line Sets for DIY Installation

• No Vacuuming Required – Pre-charged with R-410A refrigerant, ready for a quick install.
• Secure Connection – Leak-proof Quick Connect fittings for simple setup.
• Various Sizes Available – Includes two 16 ft. 1/4 x 1/2 line sets for 12K BTU handlers and one 16 ft. 3/8 x 5/8 line set for the 24K BTU unit.

Specifications

48K BTU Multi-Zone Condenser

• Cooling Capacity: 48,000 BTU
• Heating Capacity: 48,000 BTU
• Zone Capacity: Up to 5 zones
• Outdoor Operating Temp (Cooling): 5°F - 122°F
• Outdoor Operating Temp (Heating): -13°F - 75.2°F
• SEER2: 20.5
• EER2: 11
• HSPF-4: 11
• HSPF-5: 8.5
• Power Supply: 208V-230V/60Hz
• Minimum Circuit Ampacity: 40-60A
• Condenser Dimensions: 37.48"W x 16.34"D x 52.48"H
• Registered Warranty: 7 years on compressor, 5 years on parts

12K BTU Wall Mount Air Handler (x2)

• Cooling Capacity: 12,000 BTU
• Heating Capacity: 12,000 BTU
• Coverage Area: 376 - 500 sq. ft.
• Modes: Auto, Cool, Heat, Dry, Fan, Quiet, Sleep
• Power Supply: 208V-230V/60Hz
• Dimensions: 31.57"W x 7.44"D x 11.69"H
• Registered Warranty: 5 years on parts, 1 year on remote

24K BTU Wall Mount Air Handler

• Cooling Capacity: 24,000 BTU
• Heating Capacity: 24,000 BTU
• Coverage Area: 751 - 1,000 sq. ft.
• Modes: Auto, Cool, Heat, Dry, Fan, Quiet, Sleep
• Power Supply: 208V-230V/60Hz
• Dimensions: 37.24"W x 16.14"D x 31.89"H
• Registered Warranty: 5 years on parts, 1 year on remote

Line Sets

• (2) 16 ft. 1/4 x 1/2 Pre-Charged Line Sets – For 12K BTU handlers
• (1) 16 ft. 3/8 x 5/8 Pre-Charged Line Set – For 24K BTU handler
• Pre-Charged with R-410A Refrigerant
• Registered Warranty: 5 years on parts

What’s in the Box?

✔ 1 x MRCOOL DIY 4th Gen 48K BTU Multi-Zone Condenser
✔ 2 x 12K BTU Wall Mount Air Handlers
✔ 1 x 24K BTU Wall Mount Air Handler
✔ 2 x 16 ft. Pre-Charged Line Sets (1/4 x 1/2)
✔ 1 x 16 ft. Pre-Charged Line Set (3/8 x 5/8)
✔ 3 x MRCOOL Remote Controls
✔ 3 x Wall Sleeves

Why Choose MRCOOL DIY 4th Gen Multi-Zone?

• DIY Installation Saves Money – No professional technician required.
• WiFi-Enabled Smart Control – Adjust temperature from anywhere.
• High Energy Efficiency – Save on electricity bills with 20.5 SEER2 rating.
• Reliable Performance – Works in extreme cold and hot climates.
• Comprehensive Warranty – 7-year compressor & 5-year parts coverage.