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What Size MRCOOL Mini Split Do I Need?
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Take Control of Your Comfort with the MRCOOL DIY 5th Gen 9K BTU Mini-Split
Your true DIY heating & cooling solution for spaces up to 375 sq. ft.
Tired of hot and cold spots in your home office, garage, or bonus room? Transform any space into a perfectly climate-controlled oasis with the MRCOOL DIY 5th Gen 9K BTU Single Zone Mini-Split. Engineered for the savvy homeowner, this system delivers professional-grade heating and cooling with a true do-it-yourself installation.
Forget the hassle, cost, and scheduling of HVAC contractors. Our innovative DIY technology empowers you to install your own permanent, efficient climate solution in a single weekend. Enjoy year-round comfort on your terms, with industry-leading efficiency and smart controls that put the power in your hands.
Here’s How MRCOOL DIY Makes It Simple:
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The Genius of QuickConnect®: The heart of our DIY system. Our 25 ft. pre-charged line set with quick connectors comes sealed and ready. Just connect it—no specialized vacuum pump or HVAC gauges required.
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All-in-One DIYPRO® Cable: Run power and communications with a single, tough cable. Its robust design protects against weather and critters, so you can skip the separate electrical conduit.
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Smart Control, Your Way: Command your climate from anywhere. Use the included remote, manage settings from your smartphone with the SmartHVAC app, or use simple voice commands via Amazon Alexa or Google Assistant.
Engineered for Performance and Peace of Mind:
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Leading Efficiency & Eco-Conscious: Features a high 23.6 SEER rating and is Energy Star® certified. It uses modern R-454B refrigerant, which has a significantly lower environmental impact (GWP) than older types like R-410A.
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Complete Climate Control: Offers Heat, Cool, Dehumidify (Dry Mode), and Sleep modes for total comfort management in all seasons.
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Built to Last, Protected for Longer: The corrosion-resistant Gold Fin® condenser defends against salty coastal air and harsh weather. We back this durability with a 7-year compressor warranty and 5-year parts warranty.
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Certified Safe & Reliable: Intertek listed (5031495) for guaranteed reliability and safety.
Key Features At-a-Glance:
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Perfect For: Bedrooms, offices, garages, studios (up to 375 sq. ft.)
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Super Efficient: 23.6 SEER, Energy Star® Certified
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Easy DIY Install: 25 ft. pre-charged QuickConnect® line set
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Smart Controls: Remote, SmartHVAC App, Amazon Alexa & Google Assistant
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Eco-Friendly: Advanced R-454B refrigerant (lower GWP)
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Built Tough: Gold Fin® anti-corrosion condenser
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Strong Warranty: 7-year compressor, 5-year parts warranty
Ready to upgrade your space? The MRCOOL DIY 5th Gen is more than a mini-split—it’s your key to effortless, year-round comfort. Order yours today and install it this weekend.