If allergies and asthma symptoms seem to get worse as you run your heating and air conditioning systems, there’s a reason. Recirculating the air in your home through your ducts means recirculating various particles that aggravate symptoms and may worsen some illnesses. Calling a technician for indoor air quality services can help to solve many common issues with air contamination—but would you guess that many professional indoor air quality services can also lower your bills? Here are a few of our favorite examples.