When the temperature drops sometime around Thanksgiving, I know it’s time to start up the furnace. In my local area, I can expect to rely on the heating system until the middle of April. We often experience temperatures down to twenty-five below zero, and I need the heater to operate reliably. A sudden malfunction is not only expensive but disruptive, uncomfortable and can even be dangerous. My family can’t get by without heat. The pipes could freeze and burst. I do everything I possibly can to keep my furnace working at its best. I know that changing the air filter promotes system efficiency. It prevents dust, grime and other contaminants from entering the duct system, restricting air flow and causing a buildup in pressure. This pressure could ultimately lead to cracks, leaks and a bigger strain on the heating components. I also check that all the vents in the house are open. While some people believe that you save money by closing the vents to unused rooms, this is a mistake. The furnace has been sized to provide heat for the entire house. Shutting vents simply prevents the heating system from achieving peak efficiency and can lead to malfunction. I also take the time to vacuum out registers to remove any accumulation of debris. I make sure there’s no furniture obstructing airflow. I change out the batteries in the thermostat twice per year to avoid any needless shutdown. I’ve also gone to great lengths to caulk around windows, weatherstrip and add insulation to walls, ceilings and the attic. Insulation prevents the heated air from escaping and lessens the workload of the furnace.
