The Ultimate Guide to Installing Your MrCool DIY Mini Split System - MRCOOL DIY Direct

The Ultimate Guide to Installing Your MrCool DIY Mini Split System


Are you considering a DIY approach to enhance your home's comfort? Look no further than the MrCool DIY Mini Split system. Renowned for its efficiency and ease of installation, the MrCool DIY Mini Split AC is a game-changer in the world of heating and cooling. This blog will guide you through the installation process of your MrCool Mini Split, ensuring you can enjoy the benefits of a ductless mini split system in no time.

What You Need to Know Before Installation

Before you embark on installing your MrCool DIY Mini Split Heat Pump, it's essential to understand the components. The MrCool Mini Split system comprises an outdoor condenser and an indoor air-handling unit, connected by a small conduit. This ductless mini split design means less invasive installation compared to traditional HVAC systems.

Step-by-Step Installation Guide

  1. Choose the Right Location: Selecting the ideal spot for both the indoor and outdoor units of your mini split is crucial. Ensure the outdoor unit is placed on a stable, level surface and the indoor unit is mounted on an exterior wall for optimal performance.

  2. Mount the Indoor Unit: Secure the mounting bracket for the MrCool Mini Split AC indoor unit at a suitable height. Ensure it's level and firmly attached to the wall.

  3. Install the Outdoor Unit: Place the outdoor unit of your MrCool Mini Split system on a solid base. This could be a concrete pad or a set of sturdy brackets.

  4. Connect the Refrigerant Lines: MrCool DIY systems are designed for easy connection. Carefully run the refrigerant lines from the indoor unit through a small hole in the wall to the outdoor unit.

  5. Electrical Connections: Follow the MrCool DIY Direct instructions for connecting the electrical wires. Always prioritize safety and consider hiring a professional if you're unsure about this step.

  6. Secure and Seal: Ensure all connections between the mini splits are tight and secure. Use weatherproof sealant to close any openings, maintaining the system's efficiency.

  7. Test Your System: Power on your MrCool DIY Mini Split Heat Pump and check all functions. Ensure the system is operating smoothly and efficiently.

Benefits of Choosing MrCool DIY Direct

By choosing MrCool DIY Direct for your mini split system, you're opting for convenience, quality, and efficiency. MrCool products are designed with the homeowner in mind, offering easy installation and exceptional performance.


Installing a MrCool DIY Mini Split system is a straightforward process that can significantly enhance the comfort of your home. By following these steps, you can ensure a successful installation and enjoy the benefits of a modern, efficient mini split heat pump. Visit for more information and to explore our range of MrCool products.

Remember, whether it's cooling in the summer or heating in the winter, your MrCool DIY Mini Split system is there to provide year-round comfort. With this DIY project, you're not just installing an air conditioner; you're upgrading your home's efficiency and comfort!

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At 240 volts (220v) the A/C will draw approximately 14.75 amps. I suggest you get a 220 volt A/C unit and install #12 gauge wire protected by a two pole 20 amp circuit breaker

MrCool DIY

for the 18000 btu mini split 240 volt what is the total wattage or how many amps does the unit pull

donald Howard

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