Winter often means a decline in indoor air quality (IAQ), largely because as business owners and homeowners we are often doing our best to keep cold winter air OUT and warm indoor air IN. This can help keep our heating bills down, but it can also lead to poor indoor air quality inside your residential or commercial property. Indoor air quality can deteriorate due to many factors, including an inadequate outdoor air supply, poor indoor environment (excessive humidity and poorly controlled temperatures), and indoor air contaminants (everything from common household dust to food odours to perfumes and chemical cleaners to off-gases from new building materials). All of these factors have the unintended effect of decreasing indoor air quality and contributing to health conditions that include asthma, allergies, Sick Building Syndrome (SBS), Building-Related Illness (BRI), Multiple Chemical Sensitivities (MCS), “sick home syndrome” and many others. If poor indoor air is a concern whe...