Comfort every corner of your home 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 + 9 K).
Designed for easy installation and maximum efficiency, this system provides precise heating and cooling across five rooms — without hiring a contractor.
Configuration coverage:
-
Three 6 K BTU cassettes (~250 sq ft each)
-
Two 9 K BTU cassettes (~375 sq ft each)
All powered by a 36 K BTU 23 SEER2 inverter condenser delivering quiet, energy-smart comfort year-round.
⚙️ Key Features
✅ True DIY Installation
Patented Quick Connect® Line Sets are pre-charged with eco-friendly R-454B refrigerant — no vacuum pump or pro tools needed. Just connect and tighten.
🌡️ Smart Climate Control
Adjust temps and schedules with the MRCOOL SmartHVAC App or voice control via Alexa and Google Home.
💨 Discreet Ceiling Cassettes
Recessed design fits between standard 16-inch joists for a clean, quiet look that distributes air evenly through each zone.
♻️ Energy Efficient & Eco-Safe
High-performance DC inverter compressor and R-454B refrigerant deliver superior efficiency and lower environmental impact.
🔒 Built to Last
Includes 7-Year Compressor Warranty, 5-Year Parts Warranty, and optional Lifetime Coverage through the MRCOOL Care Program. Gold Fin® coating prevents corrosion for long-term durability.
💡 Why Homeowners Love MRCOOL DIY
-
Heats & cools up to ~1,500 sq ft across five zones
-
Auto, Sleep & Dry modes for custom comfort
-
Mix ceiling and wall air handlers for flexibility
-
App and Wi-Fi integration for remote control
-
Filter alerts and quiet operation for peace of mind
📦 Included in Box
-
(1) 36 K BTU MRCOOL DIY 5th Gen Condenser
-
(3) 6 K BTU Ceiling Cassettes
-
(2) 9 K BTU Ceiling Cassettes
-
Pre-Charged DIY Quick Connect Line Sets & Couplers
-
Remotes & Installation Manuals
⚡ Technical Highlights
| 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 |
DC Inverter Rotary |
| Noise Level |
64 dBA |
| Connectivity |
Wi-Fi, Alexa, Google Home |
| Certifications |
AHRI, ETL, Energy Star |
💬 Customer Benefits
-
DIY install saves $1,000 – $3,000 vs pro labor
-
0 % Affirm financing & free shipping
-
Lifetime tech support from MRCOOL
-
Energy-smart comfort all year long
🏁 The DIY Comfort Solution
The MRCOOL DIY 5th Gen 36 K BTU 5-Zone (6 K + 6 K + 6 K + 9 K + 9 K) delivers precise, efficient comfort for every room.
Enjoy smart control, clean design, and professional-grade results — installed entirely by you.
DIY comfort made easy with MRCOOL DIY Direct.
