MRCOOL DIY 5th Gen Multi-Zone 18,000 BTU 24 SEER 2 Zone Ductless Mini Split System (9K + 9K)

The MRCOOL® DIY 5th Generation Multi-Zone 18,000 BTU 24 SEER 2-Zone Ductless Mini Split Heat Pump is the easiest way to heat and cool two rooms up to 350 sq. ft. each — without hiring a professional installer. This complete dual-zone ductless system includes a powerful 18,000 BTU condenser and two 9,000 BTU indoor air handlers, designed for DIY installation with pre-charged Quick Connect® line sets.

No special tools, training, or HVAC license required — just connect, tighten, and enjoy year-round comfort.

✅ Key Features & Benefits

• Easy DIY® Installation – No specialty tools or training required.

• Dual 9K Air Handlers – Perfect for two rooms up to ~350 sq. ft. each.

• High Efficiency 24 SEER Rating – Save money with ultra-efficient heating and cooling.

• Heat Pump Technology – Provides both heating and cooling year-round.

• Pre-Charged Quick Connect® Line Sets – Sealed and ready with eco-friendly R-454B refrigerant.

• Smart Controls – Control each zone via smartphone app, remote, Amazon Alexa, or Google Home.

• Gold Fin® Condenser – Corrosion-resistant for long-lasting durability.

• Follow Me® Feature – Delivers comfort exactly where you need it.

• Low Ambient Cooling – Keeps running even when outdoor temps drop.

• Peace of Mind Warranty – 7-Year Compressor, 5-Year Parts, optional Lifetime Compressor Warranty.

📱 Smart Comfort, Anywhere

• Adjust temperature, mode, and fan speed via the MRCOOL SmartHVAC app.

• Works with Amazon Alexa and Google Home for hands-free voice control.

• LED digital displays show real-time temperature, alerts, and troubleshooting codes.

🌡️ Multi-Mode Operation

• Auto Mode – Automatically balances heating and cooling.

• Dry Mode – Dehumidifies while maintaining set temperature.

• Sleep Mode – Saves energy and keeps you comfortable overnight.

• Emergency Operation – Manual override option for forced cooling.

⚡ Why Choose MRCOOL DIY?

The MRCOOL DIY Series is the original and #1 best-selling DIY mini split system in America. With Quick Connect® line sets, you’ll save thousands of dollars on installation, enjoy year-round comfort, and gain confidence knowing your system is backed by lifetime technical support.

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👉 Perfect for: Bedrooms, home offices, garages, small apartments, or any two-zone application up to 700 sq. ft. combined.