Attic fans and whole house fans together can help with home ventilation but they serve different purposes.
Attic fan use.
How to use maintain an attic fan natural cooling.
Operating an attic fan is simple.
An attic fan can be used to cool down your living space any time the air outside is cooler than the air.
A whole house fan can be run from early evening to early morning effectively cooling the structure of your home using the cool free outside air.
Most fans cannot keep up.
Hvac equipment in the attic that is well insulated and sealed.
Attic fans exhaust hot air from your attic to the outside.
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.
Fresh air is pulled in from your soffits and or roof vent creating a draft through your attic.
During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure.
This air is then exhausted through the fan to the outside.
Turbine ventilators work great but strong winds can cause a downdraft and create static pressure which will destroy.
Ideally this will lower the high temperatures that have built up in your attic.
Opening windows on the lowest level.
Bountiful eave soffit ventilation space.
Attic insulation that is less than r 19.
An attic floor that is thoroughly air sealed.
The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference.
Attic ventilation fans could be effective if your home has.
Attic fans are typically used in warmer months when temperatures in an attic can exceed 120 f 49 c.
Such fans are often called whole house fans.
In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house.
Even though an attic exhaust fan can incrementally lower the temperature of a very hot attic using a fan does not stop the source radiant heat.
Open several windows in your home.
A fan may be installed in an attic for the different purpose of cooling a whole house venting hot air out via the attic.
An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents.