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⚠️ Important: This product includes the OUTDOOR CONDENSER ONLY. It is NOT a complete mini-split system.
This condenser must be paired with a compatible MRCOOL DIY Hyper Heat indoor air handler or DIY OuttaSight® Ceiling Cassette to operate.
The MRCOOL DIY Hyper Heat 18K BTU Condenser (230V) is designed for homeowners looking to replace or expand an existing MRCOOL DIY Hyper Heat system without purchasing a complete kit. Built for outstanding cold-weather performance, this outdoor condenser delivers efficient heating and cooling for spaces up to approximately 800 square feet when paired with a compatible indoor unit.
Featuring Hyper Heat technology, this condenser provides dependable heating even in temperatures as low as -22°F, while maintaining impressive efficiency with a 21.2 SEER2 rating. Installation is simple thanks to the included 25-foot pre-charged Quick Connect® line set, eliminating the need for refrigerant handling or specialized HVAC tools.
⚠️ Outdoor Condenser Only
⚠️ Indoor Air Handler NOT Included
⚠️ Compatible with MRCOOL DIY Hyper Heat Wall-Mounted Air Handlers and DIY OuttaSight® Ceiling Cassette
⚠️ Cannot operate by itself
✔ Outdoor Condenser Only
✔ 18,000 BTU Heating & Cooling Capacity
✔ Ideal for spaces up to approximately 800 sq. ft.
✔ 230V Electrical Connection
✔ 25 ft. DIY® Quick Connect® Pre-Charged Line Set Included
✔ 21.2 SEER2 Energy Efficiency
✔ Hyper Heat Technology
✔ Heating Performance Down to -22°F
✔ Built-in Wi-Fi Compatibility
✔ Compatible with Amazon Alexa & Google Assistant
✔ Gold Fin® Corrosion-Resistant Coating
✔ Eco-Friendly R-454B Refrigerant
✔ ENERGY STAR® Certified
✔ 7-Year Compressor Warranty
✔ 5-Year Parts Warranty
18K BTU Outdoor Hyper Heat Condenser
25 ft. Pre-Charged Quick Connect® Line Set
DIYPRO® Communication Cable
Installation Accessories
Owner's Manual
• MRCOOL DIY Hyper Heat 18K Wall-Mounted Air Handler
• MRCOOL DIY OuttaSight® 18K Ceiling Cassette
When you shop with Arctic Air Supply, you're purchasing from an Authorized MRCOOL Dealer committed to providing genuine 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 replacing an existing condenser or expanding an existing MRCOOL DIY Hyper Heat system, we're here to help you find the right solution 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.
Have questions about compatibility or selecting the correct replacement condenser?
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