MRCOOL DIY 5th Gen 18K BTU 230V Air Handler DIY-18-HP-WMAH-230D25-O

The 5th Generation MRCOOL® DIY® 18k BTU Ductless Heat Pump Single Zone Mini-Split Air Handler delivers powerful, efficient heating and cooling for spaces up to 800 sq. ft. True DIY installation — no tools or professional assistance required — makes this the ideal choice for homeowners wanting full control over their comfort system.

This model features the rugged DIYPRO® cable, which eliminates the need for traditional electrical conduit while offering enhanced protection against weather and outdoor hazards.

You can manage your comfort your way. Use the included wireless remote, connect through the SmartHVAC app on Apple or Android, or use voice commands with Amazon Alexa or Google Assistant for completely hands-free control.

The system also includes advanced comfort features. Follow Me® technology senses temperature near the remote for personalized airflow control, and Dry Mode helps reduce indoor humidity. Gold Fin® condenser coating provides excellent corrosion resistance, perfect for coastal and humid climates.

To protect your investment, MRCOOL® offers a strong 7-year compressor and 5-year parts warranty, along with eligibility for the MRCOOL® Care Program.

Technical Specifications

Certifications

• UL Listed
• ETL Listed
• ENERGY STAR® Certified
• AHRI Certified

Warranty

• 5 Year Parts Warranty
• 7 Year Compressor Warranty

Product Documentation

• MRCOOL DIY 5th Gen 18K 230V Air Handler Installation Manual (PDF)
• MRCOOL DIY 5th Gen 18K 230V Air Handler Warranty Document (PDF)

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.