Want to Know More About Furnace Repair? Even though there are several different kinds of furnaces, most heating systems work in much the same way. The 4 types are solid fuel, oil, electric, and gas. While the fuel does differ, furnace parts are generally quite similar. The basic design starts with a thermostat. The thermostat [...]The post What Can Go Wrong with a Furnace? appeared first on Serrano Heating & Air.
