Barrie Home Inspector's Blog -  - 
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Sun, Sep 8th - 8:04AM
Is Your Home Making You Sick - By Barrie Home Inspector
Proper ventilation of your home is important for your families health and comfort. Your home can become a repository for moisture, smoke, cooking odors and indoor pollutants. To control the levels of these substances in your home you have to have fresh air entering your home to replace these pollutants. In your typical home air movement is controlled mainly by infiltration, natural ventilation and mechanical ventilation.
Infiltration - This is the amount of fresh air that enters your home through openings, joints, and cracks in walls, floors, and ceilings, and around windows and doors . Newer homes are becoming tighter which reduces the amount of natural infiltration of fresh air into your house.
Natural Ventilation - Opening windows and doors is a common method of natural ventilation. I think we all can remember when our mothers used to "air out" rooms even in the middle of winter.
Mechanical Ventilation of Home Mechanical Ventilation - New homes all have mechanical ventilation in kitchen, bathrooms and laundry rooms. This rooms have exhaust fans that discharge air to the exterior of the home. Kitchen exhaust fans that just re-circulate air through a metal grease filter can be quite a collector of grease, odors and airborne pollutants. Bathrooms that have peeling paint on ceiling from moisture is a sign of extremely poor ventilation. Exhaust only ventilation systems are only designed to work in the room in which they are installed.
Read the complete article at
Barrie Home Inspector
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