Indoor contaminants can make you sick. It’s, therefore, important to thoroughly clean your home. Your home contains various pollutants due to high foot traffic, a leaky roof, and running systems, such as air conditioners and heaters. In most cases, microbial, mites, and microbial growth are among the common indoor contaminants. Homeowners should consider hiring professional house cleaners to eliminate pollutants and sanitize commonly touched areas, such as doorknobs. Below are 7 ways your house is making you sick.