MRCOOL DIY 5th Gen 18K BTU 3-Zone Multi-Zone Condenser 230V DIY-MULTI3-18HP230D-O

We’re excited to introduce the 5th Generation MRCOOL® DIY® 18k BTU Multi-Zone Ductless Mini-Split Condenser — the most advanced and convenient multi-room comfort solution in the DIY® lineup. With true DIY installation, no HVAC professional is required, making it easier than ever to bring multi-zone comfort to your home. This system achieves an impressive SEER2 rating of 23.9 and an HSPF2-4 of 10, delivering outstanding energy efficiency throughout the year.

This condenser can support up to three air handlers and heat or cool a combined total of approximately 750 sq. ft. Using our patented Quick Connect® line sets, pre-charged with eco-friendly R-454B refrigerant, setup is fast and simple — no vacuum pump required.

Smart home compatibility is built in. With the Smart HVAC app, Amazon Alexa, or Google Home, you can control each zone from anywhere, ensuring your home is always at the perfect temperature when you arrive.

Every DIY® condenser comes backed with exceptional peace of mind. Backed by a 7-year compressor warranty and a 5-year parts warranty, and eligible for the MRCOOL® Care Program, your investment is protected for years to come.

With unmatched efficiency, eco-friendly design, and DIY simplicity, the MRCOOL® DIY® 18k BTU 3-Zone Multi-Zone Condenser is the smart choice for whole-home comfort.

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 3-Zone Multi-Zone Condenser Installation Manual (PDF)
• MRCOOL DIY 5th Gen 3-Zone Multi-Zone Condenser Warranty Document (PDF)
• MRCOOL DIY 5th Gen 3-Zone Multi-Zone Condenser AHRI Certification (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.