How Many Solar Attic Fans Do I Need

According to the home ventilating institute hvi powered attic ventilators need to move a minimum of 700 cubic feet per minute cfm for 1 000 sq.

How many solar attic fans do i need.

Ft of attic space for example 20 x 50 to be effective. Radiant barrier foil. Solar blaster attic ventilation calculator how many vents will my house need. Know the minimum number of green vent solar attic fan that you need based on the size and roof profile of your home.

Many are solar powered and require no other wiring so they don t cause any additional charges on your electricity bill at all. The amount of ventilation an attic needs is determined by many factors. 972 499 4550 view cart. Calculate how many solar attic fans you need to achieve proper ventilation with this free helpful attic fan size calculator from energy efficient solutions.

The charts below should be used as a general guideline for how many solar attic fans are needed for residential installations based on square footage and roof pitch.