Enjoy precision climate control 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 + 6 K + 6 K + 12 K).
This efficient system is perfect for balanced comfort—four 6 K zones for smaller rooms and one 12 K zone for a larger area—all powered by a 36 K BTU 23 SEER2 condenser.
The best part? It’s DIY-friendly. With no vacuum pump or HVAC license required, you can save thousands on installation while achieving professional-level performance.
⚙️ Key Features
✅ Simple DIY Installation
Pre-charged Quick Connect® Line Sets filled with eco-safe R-454B refrigerant allow for easy, tool-free installation and a 100 % sealed system — no evacuation needed.
🌡️ Smart Home Control
Use the MRCOOL SmartHVAC App or voice assistants like Alexa and Google Home to set temperatures, create schedules, and manage energy use from anywhere.
💨 Discreet Ceiling Cassettes
Low-profile units mount between standard 16-inch joists, offering quiet operation and even air distribution without sacrificing ceiling space.
♻️ Energy-Efficient and Eco-Friendly
The advanced DC inverter compressor delivers up to 23 SEER2 efficiency while R-454B refrigerant reduces environmental impact and operating costs.
🔒 Reliable Performance
Protected by a 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 Choose This System
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Heats & cools up to ~1,500 sq ft across 5 zones
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Mix ceiling and wall air handlers for custom layouts
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Auto, Sleep & Dry modes for personalized comfort
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Smart Wi-Fi integration with real-time alerts
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Filter reminders & quiet operation for easy maintenance
📦 What’s Included
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(1) 36 K BTU MRCOOL DIY 5th Gen Condenser
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(4) 6 K BTU Ceiling Cassettes
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(1) 12 K BTU Ceiling Cassette
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Pre-charged DIY Quick Connect Line Sets & Couplers
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Remote Controls & 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 Type |
DC Inverter Rotary |
| Noise Level |
64 dBA (Max) |
| Connectivity |
Wi-Fi, Alexa, Google Home |
| Certifications |
AHRI, ETL, Energy Star Certified |
💬 Customer Benefits
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Install yourself and save on HVAC labor costs
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Free shipping & 0 % Affirm financing available
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Quiet operation for multi-room comfort
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Lifetime technical support from MRCOOL
🏁 The DIY Comfort Solution
The MRCOOL DIY 5th Gen 36 K BTU 5-Zone Mini Split (6 K + 6 K + 6 K + 6 K + 12 K) offers balanced performance, energy savings, and smart control in one complete DIY system.
Experience the comfort of professional HVAC results — without the contractor markup.
Comfort made simple. DIY done right — MRCOOL DIY Direct.
