CLEAN THIS IMPORTANT DEVICE YEARLY AND IMPROVE YOUR INDOOR AIR QUALITY Edmonton area homes have this important device, but 90% of them are not working…and the fix is simple. Have you noticed excessive moisture on your windows, mold growth or difficulty removing odours from inside your house… Read on. Since the 1960’s builders have been installing a fresh air intake for improved indoor air quality. A device that allows fresh air to be drawn from outside and mixes it with inside air whenever the furnace is operating. This is important for the health of you and your family . However,…