Attic Fan For Large Homes

Good insulation reduces fan effectiveness.

Attic fan for large homes.

However the utility of attic ventilation fans is actually quite a controversial topic. 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. The qc es 3100 advanced whole house fan is a new take on the idea of whole house ventilation. The downside of attic ventilation fans.

Whole house fans by their nature are installed indoors in the attic floor or upstairs ceiling in a central location in the house. This prevents snow from melting on your roof and freezing when it hits the cold gutter. Attic vent fans are commonly rated from 800 to 1 600 cfm making one fans suitable for attics of up to around 2 200 square feet. Attic x 0 7 700 cfm minimum fan rating.

Add an additional 20 cfm x 1 20 if you have a steep roof and 15 cfm x 1 15 for a dark roof. Second a large fan working slowly is much quieter than a small fan working hard and the last thing you want at the center of your home is a noisy fan. The fans cool the attic equalizing the temperature between the attic and outside of the home. The process of thoroughly cooling the home and attic is called thermal mass cooling.