Unfortunately, there is some bad news that comes along with sealing windows, walls, and doors that may leak. That something is air pollution or contamination within the home. By sealing cracks, you’re saving heat but also giving pollutants less opportunity to escape your home. Carbon Monoxide, an odorless, colorless and very poisonous gas can also be trapped.
To reduce this risk, make sure you change the filter on your furnace often, preferably with a premium one that stops as much allergens and particles as possible. Be especially vigilant if …