Quick answers to questions about ordering, compatibility, and installation.
MRCOOL DIY 5th Gen Multi-Zone 36K BTU Two Zone Ductless Mini Split – 12K + 18K Air Handlers
Take control of your home comfort with the MRCOOL DIY 5th Gen Multi-Zone 36,000 BTU 23 SEER 2 Zone Ductless Heat Pump Split System. This complete DIY heating and cooling solution includes one 12K BTU air handler (ideal for rooms up to 550 sq. ft.) and one 18K BTU air handler (up to 800 sq. ft.), powered by a high-efficiency 36K BTU condenser. Perfect for bedrooms, living rooms, offices, and more, this system delivers year-round comfort with cooling, heating, and dehumidification modes.
Designed for true do-it-yourself installation, the MRCOOL DIY Multi-Zone uses pre-charged Quick Connect® line sets with eco-friendly R-454B refrigerant—no vacuum pump, gauges, or special tools required. Installation is simple, and most homeowners can complete it without professional help, saving thousands in labor costs.
The smart features make this system even better. Each indoor unit includes a digital display for temperature and diagnostic codes, plus wireless remotes. With the MRCOOL SmartHVAC® app, you can control your comfort from anywhere using your phone, or connect with Amazon Alexa and Google Home for hands-free voice control.
Built with durability in mind, the Gold Fin® condenser coating protects against corrosion, and the system includes a 7-year compressor warranty (plus limited lifetime coverage) and a 5-year parts warranty, backed by MRCOOL’s trusted support.
Whether you need energy-efficient cooling in the summer or reliable heating in the winter, this DIY system is built to handle it all. With auto, sleep, and dry modes, plus the Follow Me® feature for personalized comfort, you’ll enjoy efficient, quiet, and customizable performance.
Key Features:
36,000 BTU capacity – supports up to 2 zones (12K + 18K included)
23 SEER high efficiency – lowers energy bills
DIY® Pre-Charged Quick Connect® lines – no special tools required
Eco-friendly R-454B refrigerant for next-gen performance
Smart controls – WiFi app, Alexa & Google Home compatible
Gold Fin® condenser – corrosion resistant for long life
Multi-function operation: Cool, Heat, Dry, Auto, Sleep
Quiet operation with mute mode & filter cleaning alerts
7-Year Compressor Warranty + 5-Year Parts Warranty
Upgrade to the MRCOOL DIY Multi-Zone 36K 2 Zone Mini Split today and enjoy professional-level comfort at a DIY price—only at MRCOOL DIY Direct, your #1 source for genuine MRCOOL systems and accessories.
Quick answers to questions about ordering, compatibility, and installation.
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.
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
Manufacturer installation guides and documentation are included or available upon request for most products.
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
Get help with ordering, compatibility, or installation questions.
Last seen items
Authorized Service Center for the following Brands: Daikin - Goodman - MRCOOL - GWIN - Amana - Costway