How do you seal a whole house fan for the winter?
If you don’t want a visible cover inside your house, you might want to go with an insulated, airtight box in the attic. You can fabricate the box with fiberglass duct board. The box ensures an airtight seal against the housing of the fan. Use a winterized insert kit with your QuietCool whole house fan.
Should I cover my attic fan in the winter?
You should absolutely leave your roof vents open during the winter – do not cover them! During the winter, roof ventilation works to keep temperatures even. Closing your vents makes the attic space too warm and dry – dangerous conditions for mold as well as pests.
What are the negatives of a whole house fan?
What are the disadvantages of a whole house fan? While a whole house fan is known for saving money on the cooling bill, it can possibly lead to a higher heating bill in the winter, especially for older whole house fans. An older house fan is a perfect escape for the air you are paying to heat in the wintertime.
Why is my attic so cold in the winter?
In fairness to attics, having cold spots throughout your home can result from a combination of problems. Air infiltration, leaky ducts, and improperly sized HVAC systems all contribute. Attics aren’t the only culprit, but they’re a very common one. They can also make those other problems worse.
How long do whole house fans last?
Your Whole House Fan Is Nearing 10-15 Years Old Depending on the model you own, your whole house fan will be warranted for around 5 to 15 years. Keep in mind the warranty is limited, offering coverage for parts and material failure due to manufacturer defects, not if the fan just stops working for any reason.
How long should I run my whole house fan?
For best results, run your whole house fan for at least 10 minutes first thing in the morning to bring a cool breeze through the house and into the attic. This will expel any hot stale air buildup from the night before. Then, close windows, doors and the blinds on the sunny side of your home.