Furnace Safety & Maintenance Tips
You may also have an issue with your thermocouple or thermopile, which helps detect whether your pilot light is on or not. Your thermocouple is an essential safety device that makes sure your gas valve is not sending gas into a furnace without a working pilot light.
A combination of insulation improvements, air sealing, and winterization projects will help ensure your heating system is efficient and long-lasting. The worse your home's insulation, the harder your heating and cooling system will have to work.
This system is also known as a ducted warm-air or forced warm-air distribution system.