Broan Attic Ventilation Calculator

Use this tool to estimate the ventilation needs for your attic and get a list of broan attic ventilation product that will meet your needs.

Broan attic ventilation calculator.

Effective ventilation requires air to exit at or near the peak of the roof with replacement air drawn through soffit venting and louvers. 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. 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. Determine your attic ventilation needs with our attic ventilation calculator.

The home ventilating institute hvi recommends that powered attic ventilators provide at least 10 air changes per hour to equalize attic temperature. Allowable duct length calculator. Can a variable speed control switch be used with an attic ventilator. Effective ventilation requires air to exit at or near the peak of the roof with replacement air drawn through soffit venting and louvers.

Attic ventilation estimating tool. Answer yes model 72w or 72v variable speed controls may be used with the models 350bk 350br 353 35316 355bk 355br and 358. Determine your attic ventilation needs with our online calculator. The home ventilating institute hvi recommends at least 10 air changes hourly to equalize temperature.