Quick answers to questions about ordering, compatibility, and installation.
Experience customizable comfort across five rooms with the MRCOOL DIY 5th Gen 36 K BTU 5-Zone Ductless Mini Split System with Ceiling Cassettes (6 K + 6 K + 9 K + 9 K + 18 K).
This system combines advanced inverter technology with true do-it-yourself installation—no technician required. Heat, cool, and dehumidify your home efficiently while saving thousands on professional labor.
Configuration covers every room size:
Two 6 K BTU cassettes – up to 250 sq ft each
Two 9 K BTU cassettes – up to 375 sq ft each
One 18 K BTU cassette – up to 750 sq ft
All powered by a high-efficiency 36 K BTU 23 SEER2 condenser for year-round comfort.
Each Quick Connect® line set is pre-charged with eco-friendly R-454B refrigerant, eliminating vacuum pumps and special tools. Just connect and go.
Control every zone from the MRCOOL SmartHVAC App or hands-free via Alexa and Google Home. Set schedules, adjust temps, and monitor energy usage anywhere.
Recessed install fits between standard 16-inch joists. Delivers balanced airflow with whisper-quiet performance—ideal for retrofits or new construction.
Advanced DC inverter compressor paired with R-454B refrigerant provides high efficiency while reducing environmental impact.
7-Year Compressor Warranty
5-Year Parts Warranty
Optional Limited Lifetime Coverage through the MRCOOL Care Program
Gold Fin® anti-corrosion coating for long-lasting durability
Heat or cool up to 1,500 sq ft across five zones
Mix ceiling and wall handlers for custom layouts
Auto, Sleep & Dehumidify modes for total control
Wi-Fi and app integration for real-time monitoring
Filter reminders & quiet operation for low maintenance
(1) 36 K BTU 5th Gen MRCOOL DIY Condenser
(2) 6 K BTU Ceiling Cassettes
(2) 9 K BTU Ceiling Cassettes
(1) 18 K BTU Ceiling Cassette
Pre-charged DIY Quick Connect Line Sets & Couplers
Remote controls & installation manuals
| Specification | Value |
|---|---|
| Cooling Capacity | 34 000 BTU |
| Heating Capacity | 36 000 BTU |
| Voltage | 208/230 V Single Phase |
| Refrigerant | R-454B |
| SEER2 / HSPF2-4 | 23 / 9.9 |
| Zones Supported | 5 |
| Compressor Type | DC Inverter Rotary |
| Noise Level | 64 dBA |
| Connectivity | Wi-Fi, SmartHVAC App, Alexa, Google Home |
| Certifications | AHRI, ETL, Energy Star Certified |
Install it yourself and save on HVAC labor
0 % financing available via Affirm
Free shipping on all orders
Lifetime technical support from MRCOOL
The MRCOOL DIY 5th Gen 36 K BTU 5-Zone Mini Split (6 K + 6 K + 9 K + 9 K + 18 K) provides flexible zoning, efficient performance, and clean aesthetics with easy DIY installation. Enjoy energy-saving comfort and smart controls without the contractor markup.
Build your own comfort — powered by MRCOOL DIY Direct.
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.
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