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.

---

⚙️ Key Features

✅ True DIY Installation

Each Quick Connect® line set is pre-charged with eco-friendly R-454B refrigerant, eliminating vacuum pumps and special tools. Just connect and go.

🌡️ Smart Climate Control

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.

💨 Ceiling Cassettes with Sleek Design

Recessed install fits between standard 16-inch joists. Delivers balanced airflow with whisper-quiet performance—ideal for retrofits or new construction.

♻️ Energy Efficient & Eco-Safe

Advanced DC inverter compressor paired with R-454B refrigerant provides high efficiency while reducing environmental impact.

🔒 Reliable Performance & Warranty

• 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

---

💡 Why Homeowners Choose MRCOOL DIY Ceiling Cassettes

• 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

---

📦 What’s Included

• (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

---

⚡ Technical Highlights

---

💬 Customer Benefits

• Install it yourself and save on HVAC labor

• 0 % financing available via Affirm

• Free shipping on all orders

• 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 + 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.