MRCOOL DIY® 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler 230V, DIY-12-HP-WMAH-230D25-O

MRCOOL DIY 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler

Bring powerful, energy-efficient heating and cooling to your space with the 5th Generation MRCOOL® DIY® 12,000 BTU Multi-Zone Mini Split Air Handler. Ideal for rooms up to 550 sq. ft., this advanced system makes comfort easy to achieve with smart controls, a simple DIY installation, and dependable performance backed by an industry-leading warranty.

12,000 BTU Smart Air Handler Features

• DIY Installation: Designed for effortless, tool-free setup—no professional needed.

• Quick Connect® Line Set: Arrives pre-charged with R-454B refrigerant for fast, vacuum-free installation.

• Eco-Friendly Refrigerant: R-454B has lower Global Warming Potential compared to older refrigerants.

• DIYPRO® Cable: No conduit required, with enhanced protection against weather and pests.

• Smart Controls: Adjust temperature with the remote, SmartHVAC app, or voice commands via Alexa and Google Assistant.

• Follow Me Function: Automatically tailors comfort by sensing the remote’s location.

• Dry Mode: Operates as a dehumidifier to improve indoor air quality.

• Trusted Warranty: Includes a 7-year compressor warranty, 5-year parts warranty, and lifetime replacement option with MRCOOL® Care enrollment.

MRCOOL 12K BTU Air Handler Specifications

Capacity & Performance

• Cooling Capacity: 12,000 BTU

• Heating Capacity: 12,000 BTU

• Coverage Area: Up to 550 sq. ft.

Electrical Requirements

• Voltage: 208–230V

• Phase: 1

• Frequency: 60 Hz

Dimensions & Weight

• Mount Type: Wall

• Weight: 24.47 lbs

Refrigerant & Piping

• Refrigerant Type: R-454B

• Liquid Line Size: 1/4"

• Suction Line Size: 3/8"

Features

• Fan Only Mode

• Quiet Mode

• Auto Cooling

• WiFi Compatibility

• iOS and Android App Compatibility

• Remote Control Included

Certifications & Warranty

• UL Listed

• ETL Listed

• AHRI Certified

• 7-Year Compressor Warranty

• 5-Year Parts Warranty

• Limited Lifetime Replacement Option

MRCOOL DIY 12K Mini Split Installation Manual