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MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler – 115V (Model: A-12-HP-WMAH-115D-O)

Name: MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler – 115V (Model: A-12-HP-WMAH-115D-O)
Brand: MRCOOL DIY Direct
SKU: A-12-HP-WMAH-115D-O
Price: 354.00 USD
Availability: InStock

Vendor: MRCOOL DIY Direct Type: Air Handler

4.5' (1201 Reviews)

20% Off

$354.00 ~~$442.50~~

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Professional Installation Required | Not Pre-Charged

Upgrade your home's comfort with the MRCOOL 5th Generation Advantage Series 12,000 BTU Wall Mounted Air Handler. Designed for superior energy efficiency, quiet operation, and long-lasting reliability, this unit is ideal for rooms up to 500 sq. ft. With a SEER2 rating of up to 21.2 and advanced smart features, it delivers powerful performance with intuitive control.

⚠️ Important: This unit does not come pre-charged. It must be evacuated and charged by a licensed HVAC technician. DIY installation is not supported.

Key Features:

High Efficiency Performance
With up to 21.2 SEER2, this 12K BTU unit provides dependable heating and cooling while keeping energy costs down.
SmartHVAC WiFi Control Module
Easily connect and control the system via the SmartHVAC app (iOS and Android). Fully compatible with Amazon Alexa and Google Assistant for voice-activated operation.
Eco-Friendly Refrigerant
Uses low-GWP R-454B refrigerant, aligning with the latest environmental standards while delivering strong, reliable performance.
Enhanced Comfort Features
Includes Sleep Mode, Louver Position Memory, and Auto Restart—ensuring consistent comfort and convenience, even after power interruptions.
Wall-Mounted Design
Sleek and compact for versatile indoor placement with minimal disruption to your living space.
Warranty Coverage
Includes a 1-year parts and remote warranty, valid only when installed and registered by a licensed HVAC professional.

Model Number: A-12-HP-WMAH-115D-O
Voltage: 115V
BTU Rating: 12,000 BTU
Installation Type: Wall Mount (Indoor Unit Only)
Refrigerant Type: R-454B (Not Pre-Charged – Must be Charged on Site)
SEER2 Rating: Up to 21.2

Product Specifications

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Service & Support

Manufacturer Warranty

This product is covered by the manufacturer’s warranty against defects in materials and workmanship when installed and used according to the manufacturer’s guidelines. Warranty terms and coverage periods vary by manufacturer and product type. Please refer to the official product documentation or contact our team if you need help verifying warranty details.

Technical Support

Freedom HVAC Supply is staffed by people who actually understand HVAC systems. If you need help confirming compatibility, selecting the correct replacement part, or understanding installation requirements, our team is available to assist before and after your purchase.

Product Documentation

Installation manuals, specification sheets, wiring diagrams, and other technical documentation are available whenever possible. These resources help ensure proper installation, system compatibility, and safe operation of your equipment.

Parts Compatibility & Cross-Reference

Many HVAC parts replace or supersede older manufacturer part numbers. We provide replacement part numbers and compatible model information on product pages to help technicians and homeowners verify the correct component before ordering.

Replacement Parts & Accessories

Freedom HVAC Supply carries genuine replacement components and compatible accessories to keep HVAC systems running reliably. From control boards and motors to sensors, line sets, and installation accessories, we supply the parts professionals depend on.

Customer Support

If you have questions about product compatibility, warranty coverage, or installation considerations, our support team is ready to help. Our goal is to make sure you get the right part the first time so your system can get back up and running quickly.

FAQs About Our HVAC Products

Quick answers to questions about ordering, compatibility, and installation.

Ordering & Compatibility

1. Do you sell HVAC equipment to homeowners and DIY installers?

Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.

2. How do I know if this HVAC product is compatible with my system?

Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.

3. Can HVAC contractors purchase from Freedom HVAC Supply?

Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.

Installation & Support

1. Do HVAC systems require professional installation?

Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.

2. Can you help me choose the right HVAC system or part?

Yes. Our support team can assist with product selection based on your application, space, and installation needs.

3. Do you provide installation manuals or documentation?

Manufacturer installation guides and documentation are included or available upon request for most products.

Warranty & Shipping

1. Do HVAC products include a manufacturer warranty?

Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.

2. Do you ship HVAC equipment nationwide?

Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.

3. What should I know about freight delivery for HVAC equipment?

Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.

Need HVAC Help?

Get help with ordering, compatibility, or installation questions.