This is a very common misconception.
Big attic fan in old house.
Some fans are twin speed so two cfm ratings are given.
What would be wrong with replacing the power attic fan.
And installing a set of ceiling shutters like whole house fans use.
Ever since a roofer talked my husband into replacing the broken attic fan with a ridge vent we re getting tons of dust in the living areas.
The bigger the house for whole house fans or attic space for attic venting fans the higher the cfm figure you need.
Hv1600 whole house fan featured on ask this old house interested to know more about our whole house fan.
The qc es 3100 advanced whole house fan is a new take on the idea of whole house ventilation.
This puts a big load on your air conditioning system causing spikes in your electric bill.
It provides good attic ventilation in addition to whole house cooling.
And the attic power vent fan pulling all the heat up and out of the house.
I m sure you will tell me it s a bad idea.
An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents.
The house has an old non working power attic vent fan.
This will help to avoid premature damage to the shingles or mold building up in moist hot.
Whole house fans and attic fans are often misconceived as the same type of fan and while they may share some similarities they have entirely different purposes.
The quietcool brand of whole house fans has the quietcool brand of whole house fans has taken america by storm.
Back in the 1970s people would call the old fashioned helicopter whole house fans an attic fan.
Ridge vents it s not a good idea to use a power vent fan if your house has a ridge vent since the fan will tend to draw in air from the ridge.
Set the thermostat on your attic vent fan so that it cuts on between 100 and 110 f.
In warm weather the surface of your roof can get as hot as 160 heating up the attic space and making rooms directly below the attic uncomfortably warm.
Humidity sensors are also available that cut the fan on if moisture in the attic becomes too high.
The whole house fan pulls air in from open windows and exhausts it through the attic and roof.
Motor power given in amps or horsepower isn t a major factor so long as it generates the required cubic feet per minute.
One way to minimize this problem is to install an attic fan.
The house has also become a lot more difficult to heat in winter.
Whole house ventilation allows you to bring the cooler outdoor air through your windows home and attic space to thoroughly cool and ventilate both the home and attic.
