Broan Attic Ventilation Calculator

Attic ventilation estimating tool.

Broan attic ventilation calculator.

Answer yes model 72w or 72v variable speed controls may be used with the models 350bk 350br 353 35316 355bk 355br and 358. The home ventilating institute hvi recommends at least 10 air changes hourly to equalize temperature. The home ventilating institute hvi recommends that powered attic ventilators provide at least 10 air changes per hour to equalize attic temperature. Attic ventilation calculator effective attic ventilation requires air to exit at or near the peak of the roof and replacement air to be drawn in under the eaves of the house via soffit venting.

Determine your attic ventilation needs with our online calculator. Effective ventilation requires air to exit at or near the peak of the roof with replacement air drawn through soffit venting and louvers. Can a variable speed control switch be used with an attic ventilator. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.

The home ventilating institute hvi recommends at least 10 air changes hourly to equalize temperature. Get started indoor air quality iaq poor indoor air quality can have a negative effect on your home. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. Effective ventilation requires air to exit at or near the peak of the roof with replacement air drawn through soffit venting and louvers.