Whole House Fan Not Enough Ventilation

Whole house fans can be noisy especially if improperly installed.

971 the fan golf classic. For whole house fans whole house fans are also rated in cfm. You can set a multi speed fan to a lower speed when noise is a problem. After all whole house fans push air from your house into the attic and while most attics are already ventilated they often dont have the right amount of ventilation.

Its all about balance. Grant jul 25 18 at 610. And that would be a 3000 cfm fan based on the calculated exhaust venting of 6 sf that we both agree with.

Yes im not discussing using an attic power vent in tandem with a whole house fan if the whole house fan is rated for the maximum rated cfm that my existing vents can exhaust. If its not enough figure how much more you need to add to satisfy the fan then balance that to provide 50 60 of the total attic ventilation as intake soffits or low on the roof and 40 50 as exhaust gables or high on the roof. Combined is more than the fan requires youre fine.

You may also like. Making sure you have adequate roof vents which allow the hot attic air to escape is important. In general a large capacity fan running at low speed makes less noise than a small fan operating at high speed.

The 10 best whole house fan reviews for whole house ventilation. If your whole house fan doesnt have the proper ventilation its not going to work very well either. This will give you the cfm number to look for when choosing your whole house fan.

As the air flows into your home and through your attic your roof vents allow the hot attic air to escape from your home. If the total attic venting ridge soffit gable turbines vent cans etc. This helps cool the home and attic by up to 30 degrees and sometimes more allowing them to stay much cooler the following day the principle of thermal mass cooling.

Why having sufficient roof venting is important. A whole house fan brings outdoor air into your home which is measured in cubic feet per minute. Whole house exhaust fans that have an automated insulated shutter switch off when the fan is not working thus prevent heat loss hence an ideal unit for saving energy.

Itll fill the attic with hot air which will stop it from pulling more air into the. An air conditioner can use up to 3000watts power if you compare with a whole house fan which uses 70 to 300 watts thus using 10 or so energy less. All whole house fans should be installed with rubber or felt gaskets to dampen noise.

During the warmer months using the solatube whole house fan not only cools the air in your house but also the structure and contents.