Attic Fan Does It Help

That is i said that when you run a power attic ventilator in a typical house yes it will cool the attic down.

Attic fan does it help.

An attic fan is what it sounds like it s a fan installed on the ceiling of your attic. Mechanical fans this is where an attic fan can help. Soffits gable vents without fans and rafter vents are passive ventilation systems to keep your roof and attic healthy. The good thing is the devices operate using a thermostat therefore can automatically turn on and off with the desired temperatures.

Some may also argue that an attic fan helps in the ventilation of your roof and or attic. The good news is the above problems can be solved if you install an attic fan in your house. Your home s roof and attic was most likely designed with just the right amount of fresh air it needs. A mechanical fan working in an attic space equipped with adequate ventilation openings can move hot air out and increase the flow of air through the attic.

So much more than just ventilation. When there is much humid in the air the attic fan can help eliminate the moist air. It helps to reduce the room temperature very significantly. This provides much needed ventilation and is a powerful addition to your hvac system.

A powered attic ventilator has a different purpose. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner. Attic fans perform best when your attic is properly sealed and insulated to block the entry of heat and moist air. 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.

How does an attic fan work. It works by drawing hot humid air out of your attic and pushing it outside. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. A significant amount of that cooling is likely to come from conditioned air being sucked up from the house below.

This will ensure that the attic is protected. One reason power attic ventilators don t help in my original article i focused on makeup air. This allows it to improve your hvac efficiency and protect your roof shingles plus the structural integrity of your attic. 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.

Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature. The humid air might cause condensation which might promote molds growth in the attic which is a health hazard.