Knowing where to turn when the heat goes out is important. Whom do residents of Edwardsville Illinois call when the heater stops working? The answer is simple; B & W Heating and Coolinghas a 24-hour emergency phone line. This means that when it is cold outside, and your heater goes out, B & W Heating & Cooling will answer the phone and a technician will be out to service your furnace. The number to call and save in your phone is 618-254-0645. We will always answer our phone.