Did you know that many people spend as much as 90 percent of their time indoors? If you have noticed signs of poor air quality such as respiratory issues, allergies, headaches, and fatigue, contact the professionals for a test of your indoor air quality in San Francisco . Though mold may be visible or give off a noticeable smell, there are other contaminants such as lead and asbestos that are much more difficult to detect on your own. If you are in the home-buying process or getting ready for a renovation project, have your air quality tested to find out what you might be getting into. Check out this infographic to learn more about why indoor air quality testing is essential, and when to have it done. Please share with your friends and neighbors.