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MRCOOL DIY 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler 230V | Air Handler Only

The MRCOOL DIY 5th Gen 12,000 BTU Multi-Zone Air Handler is designed for zoned comfort and energy efficiency. Engineered to work seamlessly with MRCOOL’s multi-zone condensers and pre-charged Quick Connect line sets (sold separately), this air handler empowers homeowners to install their own customized mini split system. With features like smart controls, whisper-quiet operation, and high SEER efficiency, it’s a powerful yet compact solution for targeted climate control in any part of the home.

Please note: This air handler is part of the MRCOOL DIY Multi-Zone system. It must be paired with a compatible DIY condenser and a separately purchased pre-charged Quick Connect line set for full functionality.

MRCOOL DIY 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler 230V Features

DIY-Friendly Installation

Designed to connect easily with MRCOOL pre-charged Quick Connect line sets—no special tools or certification required.

Smart Control Compatibility

Works with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant for remote control and scheduling.

Quiet Operation

Runs at low decibel levels for unobtrusive comfort in bedrooms, offices, and more.

Even Air Distribution

Auto-swing louver ensures efficient and balanced airflow throughout the zone.

Auto Restart Functionality

Restores previous settings after a power outage, reducing setup hassle.

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MRCOOL DIY 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler 230V Applications

  • Bedroom – keep your sleeping area cool and quiet.
  • Home office – maintain focus in a climate-controlled workspace.
  • Living room – supplement comfort where central HVAC doesn't reach.
  • In-law suite – add personalized comfort to private spaces.
  • Detached shed or studio – deliver targeted climate control to remote zones.

What's Included

Everything you need is included with your product.

  • 12,000 BTU Multi-Zone Air Handler
  • Smart remote control
  • Mounting bracket and installation hardware
  • User manual

Warranty

  • 7 Years Compressor
  • 5 Years Parts

MRCOOL DIY 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler 230V Specifications

Dimensions & Weight

Specifications Details
Dimensions 31.57" W x 7.44" D x 11.63" H
Mount Type Wall
Weight 24.47 lbs

Capacity & Performance

Specifications Details
Capacity 12,000 BTU
Coverage Area 351 to 500 sq. ft.

Electrical Requirements

Specifications Details
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 15A
Min Circuit Ampacity 3A

Refrigerant & Piping

Specifications Details
Refrigerant Type R-454B
Liquid Line Size 1/4"
Suction Line Size 3/8"

Features

Specifications Details
Fan Only Option Yes
Quiet Mode Yes
Auto Cool Yes
Wifi Compatibility Yes
App Compatibility Yes
Works with IOS Yes
Works with Android Yes
Remote Control Included Yes

Certifications & Warranty

Specifications Details
Certifications UL Listed, ETL Listed, AHRI Certified
Warranty 5 Year Parts and 7 Year Compressor

Frequently-Asked Questions

Does this air handler come with a pre-charged line set?

No. The air handler is compatible with MRCOOL’s DIY pre-charged Quick Connect line sets, but they must be purchased separately.

Can I install this without an HVAC technician?

Yes. This unit is part of the MRCOOL DIY Multi-Zone series and is designed for homeowner installation using the pre-charged Quick Connect line sets and a compatible DIY condenser.

Can this be used with single-zone condensers?

No. This model is designed specifically for MRCOOL DIY Multi-Zone systems only.

Manual

  • MRCOOL DIY 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler 230V 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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