Patent ID: 7798418

Claim:
A method for automatic distribution of air in an interior area comprising: determining a selected operational mode of a ventilation fan based on at least one of a ventilation selector and a programmable operation; detecting a manual operation of said ventilation fan, wherein detection of said manual operation activates said ventilation fan for at least one of a continuous operation, a selectable delay time and a programmable delay time; monitoring operation of an air circulating blower of a central air conditioning system, wherein said ventilation fan is automatically activated based on said operation of said air circulating blower; automatically activating and deactivating said ventilation fan according to said selected operational mode wherein said automatic activation comprises at least one of; activating said ventilation fan for continuous operation when said selected operational mode is an on mode; deactivating automatic operation of said ventilation fan when said selected operational mode is an off mode; activating said ventilation fan for a selected operation time per cycle interval based on a prior operation of said ventilation fan when said selected operational mode is an auto mode; and determining an auto mode of operation for said ventilation fan, wherein said operational mode is said auto mode consisting of at least one of: activating said ventilation fan when said air circulating blower is on when a first auto mode is selected; activating said ventilation fan when said air circulating blower is off when a second auto mode is selected; and activating said ventilation fan for said selected operation time per cycle interval based on prior said automatic and said manual operation of said ventilation fan when a third auto mode is selected.