Patent ID: 8096481

Claim:
A system for distributing air in an interior space comprising: a controller for controlling said distribution of said air within said interior space, said controller including a processor configured to execute instructions; a ventilation fan connected to outside air and inside air, and interfaced with said controller; a central air conditioning system interfaced with said controller and having an air circulating blower; a manual activation switch for manually activating said ventilation fan on user demand; a selectable operation mode of said ventilation fan, wherein said controller automatically operates said ventilation fan based on said selected operation mode and said manual activation; and wherein said instructions comprise a set of instructions for operating said ventilation fan in an auto mode of operation consisting of at least one of: a first instruction activating said ventilation fan when said air circulating blower is on when a first auto mode is selected; a second instruction for activating said ventilation fan when said air circulating blower is off when a second auto mode is selected; and a third instruction activating said ventilation fan for said a 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.