But the hot air that tends to get trapped in your attic doesn t just impact that space.
Attic fans impact.
You must have a tight seal between your living space and your attic to get an energy efficiency boost.
It can affect your whole house.
This type of system blows hot air out of the attic but it can have a negative effect.
There is one major caveat to the effectiveness of an attic fan.
During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure.
Depending on the type of insulation material you re using on your attic floor mold spores could potentially destroy your valuable insulation and create a health risk.
If the home is not properly insulated a ventilator fan can actually draw cool air out of the home resulting in an increased cooling load.
Mitigating weakened internal structures caused by mold and fungus growth.
I had a client whose wife didn t care for the sensation caused by ceiling fans.
Most fans cannot keep up.
Cooler outdoor air enters through open windows lowering the indoor temperature.
Solar star ventilation fans safeguard your attic from winter damage by.
As it turns out because the insulation slows heat from moving down into the living space homes with well insulated attics don t see a significant reduction in their cooling load when they add attic ventilation fans.
Maximize motor performance by adding temperature controlled thermal switch to any attic fan model.
This prevents snow from melting on your roof and freezing when it hits the cold gutter.
Eliminating damage to insulation and framing materials produced by moisture.
A whole house fan is usually installed on the attic floor near the center of your house.
The thermal switch activates when temperatures reach approximately 85 f 29 c and deactivates when temperatures drop below 65 f 18 c.
Avoiding leaks and structural decay from ice damming.
We think of ceiling fans in terms of evaporative cooling of the skin.
Fans can cause increased loss of conditioned air.
In the late evening or early morning the fan is turned on to exhaust hot air from the house.
As such investing in an attic fan could make your entire home more.
Using a thermal switch the fan will turn off when it gets cold and turn itself back on when the temperature gets hot in your attic.
Attic ventilation fans are typically mounted to an exterior wall in the attic.
Add the thermal switch temperature controlled attic fans.
However a ceiling fan in a room with attic exposure also acts to disrupt the air film reducing it s r value which brings ceiling temperature closer to room ambient.