Since the development of COVID-19, you may have heard more about indoor air quality or IAQ products, but aren’t exactly sure what indoor air quality is all about. Don’t worry; On the Mark Heating & Air is here to help! Just give our Schaumburg HVAC experts a call or keep reading to learn about some … [Read More]

Most people who have a furnace in Schaumburg, IL know about furnace air filters. In fact, some of you may be sick and tired of hearing about them! However, our Schaumburg HVAC pros keep talking about them because they are one of the most important factors in how your furnace and AC functions. Why is … [Read More]