How does oil furnace work
Learn more about your oil heat hydronic heating boiler system, boilers & how it works showing hot water components zone controls & troubleshooting basics - Great for new homeowner Good for new How Does an Oil Furnace Work? The heating cycle for an oil-fired furnace begins when the thermostat senses a drop in the temperature and the need to generate heat. This causes the activation of the burner motor that pulls heating oil from a storage tank.