Air Vent 1500 CFM Weatherwood High Efficiency Power Roof Mount Attic Ventilator

The High Efficiency powered attic ventilator comes with a ECM – Electronically Commutated Motor with an on-board computer to monitor and adjust to the temperature and humidity in the attic. The variable speed motor provides a quiet start up and reduces wear and tear on the motor while minimizing electricity consumption. On average, The HE15 consumes about $20 electricity costs annually; which is about $60 less per year compared to traditional power fan running 4 hours a day at average electricity costs. This is due to the unique motor and on-board computer that monitors and adjusts to the conditions in the attic. It features a low-profile dome, the power fan is unobtrusive when installed on the back side of your roof.

• Soft start motor provides a quiet start up and reduces wear and tear
• On-board computer with temperature and humidity sensors monitor attic conditions
• Pre-wired humidistat/thermostat
• Up to 74% energy savings
• Suitable for 3/12 to 8/12 roof pitch
• Ventilates up to 2,100 sq. ft. of attic space
• Part of a balanced attic ventilation system for year-round airflow
• Helps to fight heat and moisture buildup inside an attic as well as ice dams in cold climates
• Requires intake ventilation for proper performance
• Use the Home Depot online calculator to determine how many are needed for each attic