Place at height of students heads (around 1.5 meters)
Do not place near people, windows, doors or air vents
how much air is being re-breathed
steady state CO2 levels can be used to determine if the ventilation meets current standards
CDC target for good ventilation is CO2 readings below 800 ppm
ensure the thermostat fan is ON
ensure air is coming out of the supply vent
if there is no air movement from the supply vents submit a maintenance request
open your classroom doors and windows to air out the room
take your class outside to air out the room