• Description
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MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 115V | Air Handler Only

The MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler is designed to provide efficient and reliable climate control when paired with the matching condenser unit. Its sleek, space-saving wall-mounted design makes it ideal for bedrooms, small living rooms, or offices. Engineered for quiet operation and consistent airflow, it ensures year-round comfort with ease.

Please note: This system is not a DIY installation and must be installed by a licensed HVAC technician.


MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 115V Features

Efficient Comfort Delivery – Provides 12,000 BTU capacity for heating and cooling when matched with the proper condenser.

Wall-Mounted Design – Compact and discreet, blending easily into most room designs.

Quiet Operation – Runs with minimal noise, creating a peaceful indoor environment.

Reliable Performance – Built with durable components for long-lasting comfort.

Consistent Airflow – Designed to distribute conditioned air evenly across your room.


MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 115V Applications

  • Bedrooms – Provides quiet, consistent comfort for better rest.

  • Home offices – Keeps your workspace at an ideal temperature all year.

  • Apartments – Perfect for smaller living spaces requiring compact solutions.

  • Small living rooms – Maintains steady temperature for shared spaces.


What’s Included?

  • 12K BTU Wall Mount Air Handler Unit

  • User manual


Warranty

  • 2-Year Compressor Warranty

  • 1-Year Parts Warranty


MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 115V Specifications

Air Handler 12K BTU
Product Dimensions 31.57"W x 7.44"D x 11.69"H
Electrical Requirements Requires a minimum of 115V/60HZ/3-15A (please check your home meets this electrical requirement prior to purchase)
Mount Type Wall
Cooling Capacity 12,000 BTU
Heating Capacity 12,000 BTU
Coverage Area Up to 400 sq ft
Modes Auto Heat
Quiet Mode
Fan Only
Registered Warranty 1-Year Parts, 2-Year Compressor (can be extended to a Limited Lifetime Warranty upon registration)

Frequently-Asked Questions

Does this air handler require professional installation?
Yes. The Advantage Series is not DIY-friendly and must be installed by a licensed HVAC technician.

Can this air handler work by itself?
No. It must be paired with the matching Advantage 12K BTU condenser to operate properly.


Manual

  • MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 115V Manual

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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