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The MRCOOL DIY 18K BTU 5th Generation 3-Zone Multi-Zone Condenser (230V) is the outdoor unit that powers a customizable MRCOOL DIY Multi-Zone heating and cooling system. Designed to support up to three compatible indoor air handlers, this condenser allows you to heat and cool multiple rooms independently while maintaining exceptional energy efficiency.
Featuring MRCOOL's patented DIY® technology, this outdoor condenser eliminates the need for specialized HVAC tools or professional refrigerant charging when installed with compatible MRCOOL Quick Connect® components. Whether you're upgrading an existing system or building a new multi-zone setup, this condenser provides reliable year-round comfort and flexible room-by-room climate control.
Please Note: This product is an outdoor condenser only. Compatible indoor air handlers, line sets, and installation accessories are sold separately.
✔ 18,000 BTU Multi-Zone Outdoor Condenser
✔ Supports Up to 3 Indoor Air Handlers
✔ Compatible with MRCOOL DIY 5th Generation Multi-Zone Systems
✔ 230V Electrical Connection
✔ DIY® Quick Connect® Compatible
✔ Variable-Speed Inverter Heat Pump Technology
✔ Heating & Cooling Operation
✔ Built-in WiFi Compatibility
✔ Eco-Friendly R-454B Refrigerant
✔ Quiet, Energy-Efficient Performance
✔ Manufacturer Warranty Included
Indoor air handlers, Quick Connect® line sets, communication cables, and mounting accessories are sold separately.
This condenser is designed for use with compatible MRCOOL DIY 5th Generation Multi-Zone Indoor Air Handlers.
Customize your system by selecting indoor units that best match the size and layout of each room.
Before purchasing, verify compatibility between your selected indoor units and this outdoor condenser.
Perfect for:
When you shop with Arctic Air Supply, you're purchasing from an Authorized MRCOOL Dealer committed to providing genuine MRCOOL products, competitive pricing, and exceptional customer service.
✔ Authorized MRCOOL Dealer
✔ Genuine MRCOOL Products
✔ Manufacturer Warranty Included
✔ Free Freight Shipping
✔ Secure Checkout
✔ Responsive U.S. Customer Support
Whether you're building a new multi-zone HVAC system or expanding an existing installation, we're here to help you choose the right components with confidence.
Most orders are processed within 1–3 business days and typically arrive within 5–10 business days via freight carrier.
Tracking information will be provided once your order ships.
Please inspect all freight shipments upon delivery and report any visible shipping damage immediately.
Need help selecting compatible indoor air handlers or designing the right MRCOOL DIY Multi-Zone system?
Our knowledgeable team is happy to help.
Questions before you order? Contact us at support@arcticairsupply.com — we typically respond within a few hours.
In Stock – Ready to Ship
Shipped Directly from Manufacturer
Secure Checkout
Tracking Provided After Shipment
Order Processed in 1–3 Business Days