During winters, ensure that the room is warm and during summers make sure there is ample circulation of cool and fresh air in the room. (momjunction.com)
This concentration will decrease with time, as air in the room leaves and is replaced by air from outside or from a different room. (treehugger.com)
Vents cool every room in the house when the cold air pushes through the filter and into the vents, releasing cold air in a room. (rismedia.com)