A bathroom vent fan removes steam, which can fog up mirrors and windows, and moisture, which can collect in a bathroom and lead to problems like mold and mildew if it's not vented. Installing a vent fan will suck out moisture from the bathroom, sending it outside your house, but first you must decide on the type of fan you want to purchase.
Instructions
1. Determine the size of vent fan you require for your bathroom by multiplying your bathroom's square footage by 1.1. This will give you the rating for the type of fan you will need.
2. Drill a hole in the ceiling where you would like to install the vent fan. This will be used as a reference to determine the position of the fan.
3. Go into the attic or crawlspace and remove any insulation from around the reference hole.
4. Measure the vent fan housing to position the fan between two floor joists near your reference hole. Note where the final position of the fan is going to be.
5. With a straightedge, draw an outline on the ceiling that is the size of the fan's intake port, using the hole you drilled previously as a reference point.
6. Following the outline, cut a hole in the ceiling the size you will need.
7. Go back into the attic or crawlspace and secure the vent fan to the ceiling joists. Attach an elbow duct to the fan's outlet port and set the unit within the floor joists.
8. Use a cordless drill to secure the fan brackets to the ceiling joists with drywall screws.
9. Use a 4-inch hole saw to drill a hole into the wall from the outside of your house. The hole will accommodate the duct to blow exhaust outside the house.
10. Go to the hole on the outside wall and insert the wall cap and secure it to the wall with half-inch stainless steel screws.
11. Go back into the attic and attach the flexible tubing to the connector on the wall cap.
12. Connect the to the unit by using existing wiring or having new electrical wiring installed. Follow the instructions that came with the unit to connect the electrical wiring.
Tags: electrical wiring, into attic, attic crawlspace, back into, back into attic, ceiling joists, floor joists