Whole House Fan Wiring Diagram

Whole house fans are a great way to save money on energy bills during the hot summer months. They work by pulling cool air into the house through open windows and exhausting hot air out through the attic. Installing a whole house fan requires some electrical knowledge and the proper wiring. In this article, we will provide a step-by-step guide on how to wire a whole house fan.

What You Will Need

Before starting the installation, make sure you have the following tools and materials:

Tools Materials
Screwdriver Whole house fan
Wire cutters Wire connectors
Wire strippers Electrical tape
Drill Mounting brackets
Electrical tester Electricity supply

Step 1: Turn off the Power

Before beginning any electrical work, it is important to turn off the power to the room where you will be working. Locate the circuit breaker panel and turn off the power to the room where the whole house fan will be installed. Use an electrical tester to verify that the power has been turned off.

FAQs:

Q: How do I turn off the power to a room?

A: Locate the circuit breaker panel and switch off the breaker that controls the power to the room.

Q: What is an electrical tester?

A: An electrical tester is a tool that is used to verify that electrical circuits are turned off before working on them.

Step 2: Mount the Fan

Mount the fan to the ceiling joists using the provided mounting brackets. Make sure the fan is securely attached to the joists and is level. Follow the manufacturer’s instructions for specific mounting instructions.

Step 3: Run the Electrical Wiring

Run the electrical wiring from the fan to the electrical supply. Use wire strippers to remove about 1/2 inch of insulation from the ends of the wires. Connect the wires using wire connectors and wrap the connections with electrical tape for added security. Follow the wiring diagram provided by the manufacturer for specific wiring instructions.

FAQs:

Q: What type of wire should I use?

A: Use a 14-gauge wire for up to 15 amps and a 12-gauge wire for up to 20 amps.

Q: What are wire connectors?

A: Wire connectors are small plastic caps that are used to connect multiple wires together.

Step 4: Install the Wall Switch

Install the wall switch according to the manufacturer’s instructions. The switch should be located in a convenient location, such as a hallway or near the entrance to the room. Run the electrical wiring from the fan to the wall switch and connect the wires using wire connectors.

Step 5: Test the Fan

Turn on the power to the room and test the fan to make sure it is working properly. Test the wall switch to ensure it is controlling the fan’s operation. Make any necessary adjustments before using the fan on a regular basis.

FAQs:

Q: What should I do if the fan does not turn on?

A: Check to make sure the circuit breaker is turned on and that the electrical wiring is connected properly.

Q: Why is the fan making noise?

A: Check to make sure the fan blades are clean and free from debris. Clean the blades if necessary.

Conclusion

Wiring a whole house fan requires some electrical knowledge and the proper tools. By following these steps, you can safely and properly wire a whole house fan and enjoy the benefits of lower energy bills and a cooler home during the hot summer months.