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How often should you run your attic fan?
Generally speaking, an attic fan should run as long as it takes to replace all the attic air with outside air. Usually, this takes roughly 15 minutes. However, you can calculate a much more accurate time by dividing the strength of your fan by the volume of your attic space.
How do I get the most out of my attic 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.
Should attic fan run all the time?
Should an attic fan run all the time? Running an attic fan all the time in theory is a good idea. You want your attic to be close to the outside temperature. However, if you have a powered attic fan, you may not want it to run all the time because of the electric costs.
What should I set my attic fan at?
Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees Fahrenheit.
Do attic fans use a lot of electricity?
Attic fans are incredibly efficient. They use a fraction of the electricity your air conditioning system uses. They also decrease your need for air conditioning, which lowers your monthly utility bills.
When should I run my attic fan in the summer?
During the summer the fan should operate anytime the attic temperature is above the comfort level desired for the indoor living quarters. For example, if the air conditioning thermostat is set to 74 degrees, the attic fan might be set to 75 degrees.
What is the best temperature setting for an attic fan?
90 to 110 degrees Fahrenheit
When it comes to an attic fan’s temperature setting, it’s best to adjust it to anywhere from 90 to 110 degrees Fahrenheit. It’s impossible to state a single number because your attic can effortlessly soar above 95 degrees (on average).
When should you turn on your attic fan?
When you turn on the fan and open the windows in the house, outside air is drawn in through the windows and up through the attic where the hot inside air is vented out of the home. Attic fans work best at night when the outside temperature cools and that air is drawn into your warm home to cool it off.
What temperature should attic?
The ideal temperature in your attic should be no less than 60 degrees Fahrenheit in the winter and no more than 10-20 degrees hotter than the outside temperature in summer, with a maximum of about 130 degrees Fahrenheit.
Does attic fans save money?
One of the best ways to save money on cooling your house is to install a whole house fan along with an attic fan. These fans keep you from needing to run an A/C unit at all hours of the day, which will save a lot of money on your electric bill.
When should I turn on my attic fan?
Attic fans work best at night when the outside temperature cools and that air is drawn into your warm home to cool it off.
Will attic fan cool upstairs?
The installation of an attic fan will help to move all of that hot air back outside, thereby lowering your attic temperature by up to 60 degrees. With a cooler attic there is less heat overflow into the upstairs of your home. According to atticfans.com an attic fan: Lowers upstairs room temperatures by 10º.
Do attic fans really help that much?
Except in rare cases, attic fans offer no real benefit for your home. If you are looking to save on your cooling costs, or notice your upper levels are hard to keep cool, you should consider the insulation levels in your attic. An energy professional can help offer solutions for making your home more efficient (and comfortable!).
Can attic fans cool a house?
Attic Fan Ventilation. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents (soffit and gable) and pushing hot air to the outside. However, if your attic has blocked soffit vents and is not well-sealed from the rest of the house, attic fans will suck cool conditioned air up out of the house and into the attic.
What are the benefits of an attic fan?
Another advantage of a solar attic fan is that by reducing the temperature of a home, it can help air conditioning and home cooling systems to work more efficiently, providing a potential saving in utility costs.
What is purpose do attic fans serve?
The main work of an attic fan is to regulate the heat level of the attic by removing hot air out of the attic and pushing it outside, providing needed ventilation. Attic fans come with different models; some can have manual switches while others use a thermostat to turn them on and off automatically.