Your heating system is working just fine, for the most part. When you set the temperature on the thermostat, the furnace turns on and heat comes out of the vents. What more could you ask for? And why would you feel the need to schedule service for a furnace that is, for the most part, running smoothly?
However, furnaces should receive one service every year, even if they appear to be running properly. This service is a tune-up, and it’s the best way to ensure your furnace is there when you need it to work properly. Could your furnace be in need of this service?