Abstract: The present invention is directed to a ventilation control device having a portable housing capable of being selectively positioned in various locations in a space such as a room, vehicle compartment or any other area where people or animals may be located. The ventilation control device has a gas detection portion within the portable housing capable of sensing the presence of a specified gas or gasses. A transmitter is also located within the portable housing and operably engaged to the gas detection portion for transmitting a ventilation signal. A power source is located within said portable housing for energizing said transmitter. The power source can be an independent power source such as a battery or a connector such as plug for connecting to power outside of the portable housing or both. A connection portion is located on the portable housing for removably connecting the portable housing at a user specified location.