Other Products ｜MRCOOL® Advantage 12k BTU 115V Air Handler – 5th Generation

The MRCOOL® Advantage 12,000 BTU 115V Air Handler – 5th Generation is designed for quiet, efficient comfort in spaces that need powerful heating and cooling without the complexity of ductwork. Whether you’re replacing a zone or customizing a new setup, this wall-mounted unit provides dependable performance with smart features and energy-conscious design—all in a sleek, compact form.
This updated generation includes R-454B refrigerant, which offers a lower Global Warming Potential (GWP) and improved energy performance compared to previous models, making it a smart choice for sustainability and savings.

Key Features

Professional Installation Required – Compatible with MRCOOL® Advantage Series Condensers (not included)

R-454B Refrigerant – Low-GWP refrigerant that reduces environmental impact while increasing energy efficiency

Gold Fin® Corrosion Protection – Durable anti-corrosion coating protects against humidity, salt air, and other outdoor elements

Wi-Fi Smart Control – Operate your system remotely through the MRCOOL® SmartHVAC app or by using Amazon Alexa and Google Assistant

Follow Me® Function – Adjusts temperature based on the remote’s location for targeted personal comfort

Quiet Operation – Maintains optimal indoor comfort with minimal noise output

Convenient Modes – Includes timer mode, sleep mode, and refrigerant leak detection for safety and efficiency

Certified for Performance – AHRI Certified, NEEP ccASHP Listed, and CEE Tier 1 Compliant (Northeast)

Technical Specifications

Cooling Capacity: 12,000 BTU

Voltage: 115V

Refrigerant: R-454B

Mounting: Wall-mounted indoor unit

Control Methods: Wireless remote, smartphone app, voice assistant

Certifications: AHRI, NEEP ccASHP, CEE Tier 1 (North)

Warranty Coverage

1-Year Parts Warranty

2-Year Compressor Warranty

1-Year Remote Control Warranty

Limited Lifetime Warranty available with registration through the MRCOOL® Care Program

The MRCOOL® Advantage 12k BTU 115V Air Handler is built for homeowners who want smart features, dependable performance, and eco-friendly efficiency—all in one affordable package. Combine it with a compatible condenser and let a licensed professional install it for seamless, year-round comfort.
Brand:MRCOOLSKU:A-12-HP-WMAH-115D-OTags:115V, 12000, 12000 BTU, 12K, 12K BTU, 12k Indoor, 5th Gen, 5th Generation, DIY 5th Gen, R-454B, R454B, Twelve Thousand