Though we have had a mild last few days in the Chicagoland area, the cold is coming back! You want to make sure your furnace is in working condition before that happens. Your pilot light is an important part of your furnace. If it is lit and strong you have reliable heat but if the pilot is weak you will run into problems. A weak pilot light can also give way to gas leaks which are dangerous. If your pilot light wont stay lit you need to have it checked out and fixed right away. If your furnaces pilot light wont stay lit there could be a few reasons.The qualified technicians at Bartlett Heating and Air can diagnose and fix any issue with your furnace. Here are some possible issues. Your burner and area around it could be dirty. Dirty burners will cause the light to go out. A bad thermocouple can shut your furnace down without you wanting it to.A thermocouple that is bent or dirty will also cause the furnace to not function properly. Your flame should be bright blue, not yellow and flickering. If it is yellow and flickering it is not strong. Your gas valves could be bad and need to be replaced. If you see two flames you have a dirty pilot tube. Having too much venting will cause the pilot light to go out often. All these fixes should be done by a qualified technician because of the danger that comes with working on your furnace. Call Bartlett Heating and Air today and have one of our qualified technicians come out to fix your furnace!