Do Attic Fans Cool 2nd Floor

Use an attic fan and whole house fan.

Do attic fans cool 2nd floor.

They ve been well discussed here and other places but briefly they re not cost effective don t deal with the problem where it starts are using convection to solve a radiant heat problem and can even be dangerous by backdrafting combustion appliances and. Adding an attic fan can improve the airflow in your attic to keep it cool. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof. Your ac doesn t need to work so hard to make your second floor more comfortable and temperatures in your home are more balanced from floor to floor.

We have no ac heater is in attic in old renovated 81 house. A whole house fan is designed to pull air in through open windows and doors and exhaust this air through an attic. This reduces heat transfer to your living space making it cooler and more comfortable overnight. To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.

The reason fans don t work to cool your attic. It is also a very good idea just for safety an attic fire would destroy your house. Exhausting moderate amounts of attic air as solar. The temperature in your attic typically far exceeds the temperature outdoors and this creates a blanket of hot heat that just sits on top of your second floor.

Powered attic ventilators are the worst way to try to keep your attic cool. Your attic insulation has a big impact on your second floor. Install an attic fan. The one area of your home where insulation has the most impact on your second floor comfort is your attic.

We had a lot of new insulation blown into the attic and it no longer feels like the ceiling of the 2nd floor is part of an oven. Therefore you can create a barrier between your attic and second floor with insulation. An attic fan can do wonders to cool your house in the summer all the hot air stored up there just raises the temp of your house. Stack effect causes a house to pull air from the attic.

Although their plan cost a bit more this solution delivered a totally cool and comfortable second floor. It kept the second floor a tad cooler. Solar attic fans actively remove hot air and humidity from you attic. This created a completely cool attic dramatically reduced power bills and easy to maintain temperatures in the second floor rooms.

I will publish more details on this option later. Typically your attic temperature is going to far exceed the outdoor temperature. If you need to understand why venture up to your attic on a 90 degree day. Compared to the rest of the house the second floor rooms were extremely hot and impossible to live in during the afternoon and evening.