Specifications
Power Attic Ventilators

View the wide range of colors in which our products are available in our color chart.

HOW TO SPECIFY POWER ATTIC VENTILATORS
For proper attic ventilation, the Home Ventilation Institute recommends a system that provides at least 10 air exchanges an hour. To determine the fan capacity needed to provide this minimum airflow, use the following formula: attic square feet x 0.7 = CFM. Note: for roofs 7/12 or higher, you may want to add 20% more CFM capacity to handle the larger volume of attic space; 30% more for roofs 11/12 and higher.

POWERCOOL™ ROOF-MOUNTED POWER ATTIC VENTILATORS

Model	Color	CFM	For Attics Up To:
PowerCool Plus™ 15 Automatic Thermostat and Humidistat	Gray, Weatherwood, Brown and Black	1500	1900 square feet
PowerCool Plus™ 12 Automatic Thermostat and Humidistat	Gray, Weatherwood, Brown and Black	1170	1650 square feet
PowerCool™ BR28 Automatic Thermostat	Gray and Weatherwood	1320	1875 square feet
PowerCool™ BR26 Automatic Thermostat	Gray, Weatherwood, Brown and Black	1170	1650 square feet
PowerCool™ BR26 Plastic Dome Automatic Thermostat	Gray and Black	1170	1650 square feet

WHISPER COOL™ GABLE-MOUNTED POWER ATTIC VENTILATORS

Model	CFM	For Attics Up To:
WCGA with Automatic Thermostat	1050	1500 square feet
WCGB with Automatic Thermostat	1320	1900 square feet
APG with Automatic Thermostat	1620	2300 square feet
APGH with Automatic Thermostat and Humidistat	1620	2300 square feet

Power Vents: Power Attic Vent | Solar Powered Roof-Mounted Attic Vent | Solar Powered Gable-Mounted Attic Vent | Gable-Mounted Power Attic Vent

Specifications Power Attic Ventilators

Specifications
Power Attic Ventilators