MRCOOL Advantage 5th Gen 18K BTU 230V Air Handler A-18-HP-WMAH-230D-O

Discover dependable comfort with the 5th Generation MRCOOL® 18k BTU Advantage Air Handler, now featuring R454B refrigerant for improved energy efficiency and a lower Global Warming Potential (GWP). Ideal for larger spaces, this powerful air handler combines high performance with quiet operation, delivering year-round heating and cooling without the need for ductwork—making it an affordable, efficient choice for homeowners.

The sleek Advantage air handler offers seamless temperature control. Thanks to its built-in Wi-Fi capability, you can manage the unit remotely from your smartphone, allowing you to customize comfort settings and even schedule temperature adjustments during the night for extra energy savings.

Engineered with ease and convenience in mind, the Advantage Series is backed by an extensive warranty once the system is registered: 1 year on parts, 2 years on the compressor, and 1 year on the remote control. Say goodbye to comfort concerns—this advanced system is designed to keep your home’s temperature just right while lowering energy use. With the MRCOOL® Advantage, you get reliable, eco-conscious climate control tailored to your home’s unique needs, combining performance, durability, and user-friendly technology in one efficient solution. Experience ultimate comfort without the worry with the MRCOOL® Advantage Air Handler!

Key Features

• Gold Fin® coil — long-term corrosion resistance for coastal environments
• R-454B refrigerant — approximately 80% lower GWP than R-410A
• Follow Me® function — tracks air temperature around you for maximum comfort
• MRCOOL® SmartHVAC Controller® Module — works with Amazon Alexa and Google Assistant
• Built-in Wi-Fi for remote temperature control and overnight scheduling
• Timer mode, refrigerant leakage detection, and more
• No ductwork required — efficient and cost-effective installation
• AHRI Certified | NEEP ccASHP Listed | CEE Tier 1 - North | ETL listed
• 1-Year Parts / 2-Year Compressor Warranty (upon registration)
• MRCOOL® Care Program eligible

Technical Specifications

Product Documentation

• MRCOOL Advantage 5th Generation Product Brochure (PDF)
• MRCOOL A-18-HP-WMAH-230D-O Installation Manual (PDF)
• MRCOOL Advantage 5th Gen Performance Specifications (PDF)
• MRCOOL Advantage 5th Gen Warranty Document (PDF)