Quick answers to questions about ordering, compatibility, and installation.
Create year-round comfort in every room with the MRCOOL DIY 5th Gen 36 K BTU 5-Zone Ductless Mini Split System with Ceiling Cassettes (6 K + 6 K + 6 K + 9 K + 18 K).
Engineered for homeowners who want professional performance without hiring an HVAC technician, this powerful system provides precise heating and cooling across five zones — efficiently and quietly.
Configuration breakdown:
Three 6 K BTU ceiling cassettes – ideal for rooms up to 250 sq ft
One 9 K BTU cassette – up to 375 sq ft
One 18 K BTU cassette – up to 750 sq ft
Powered by a 36 K BTU 23 SEER2 inverter condenser, this system balances comfort and savings in every corner of your home.
Pre-charged Quick Connect® Line Sets with R-454B refrigerant make setup simple, safe, and affordable. No vacuum pump or specialized tools required.
Use the MRCOOL SmartHVAC App or voice assistants like Alexa and Google Home to control temperatures, schedules, and zones remotely.
Low-profile indoor units fit neatly between 16-inch joists, providing discreet, even airflow and whisper-quiet performance — ideal for both new builds and retrofits.
The R-454B refrigerant and DC inverter compressor combine for high SEER2 efficiency and reduced energy costs.
Backed by a 7-Year Compressor Warranty, 5-Year Parts Warranty, and optional Lifetime Replacement Coverage via MRCOOL Care.
Gold Fin® coating ensures durability against corrosion and harsh weather.
Heats & cools up to ~1,500 sq ft
Fully compatible with ceiling and wall air handlers
Auto, Sleep, and Dehumidify modes for customizable comfort
Smart app & Wi-Fi integration for remote operation
Filter reminders and quiet mode for minimal upkeep
(1) 36 K BTU MRCOOL DIY 5th Gen Condenser
(3) 6 K BTU Ceiling Cassette Air Handlers
(1) 9 K BTU Ceiling Cassette
(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 (Max) |
| Connectivity | Wi-Fi, Alexa, Google Home |
| Certifications | AHRI, ETL, Energy Star Certified |
Save thousands with easy DIY installation
Quiet performance for multi-room comfort
Free shipping & 0 % Affirm financing
Backed by lifetime technical support
The MRCOOL DIY 5th Gen 36 K BTU 5-Zone Mini Split (6 K + 6 K + 6 K + 9 K + 18 K) gives you full climate control with simple, safe installation.
Enjoy whisper-quiet comfort, smart controls, and long-term efficiency — all without professional help.
Smart comfort. Simple installation. 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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