A gas furnace should be serviced at least once a year, however, most professionals recommend twice; once in spring and then again in fall. Annual maintenance, including a thorough examination and cleaning of the parts that commonly malfunction, like the air filter, the fan, the pilot light, and the heat exchanger, can usually prevent these problems from occur and keep your heat running when you need it most! www.penetang.com/garthside
A gas furnace should be serviced at least once a year, however, most professionals recommend twice; once in spring and then again in fall. Annual maintenance, including a thorough examination and cleaning of the parts that commonly malfunction, like the air filter, the fan, the pilot light, and the heat exchanger, can usually prevent these problems from occur and keep your heat running when you need it most! 
