control module tracks carbon dioxide levels and is an inexpensive and powerful way to monitor and lessen the risk of COVID-19 transmission at home.

OSHA/ASHRAE recommended maximum of 1000 PPM, the sensor turns on the fan and continues to operate the fan until CO2 levels are below 800 PPM.

increases in drowsiness, tiredness, headaches, lower levels of concentration, and an increased likelihood of spreading respiratory viruses.