How To Clean Heating systems

 If you have a forced-air system, change or wash the air filters regularly. A dirty filter can prevent proper airflow. Make sure the filter fits. It should occupy the entire filter cavity and‘prevent air from bypassing it. Vacuum the outside of the furnace or heat pump once every month or so. If there are radiators, clean them regularly to keep them "at their Optimal operating efficiency

A furnace should be properly maintained Consider a service contract that includes an annual inspection of your furnace..The service technician should check electrical connections and wiring and gas piping for deterioration and leaks.

Despite the improved efficiency and comfort of most new furnaces, it’s generally more cost~effective to repair a furnace than replace it. But if a key component such as the heat exchanger or control module fails, you’re probably better off replacing the furnace, especially if the unit is more than 15

years old. The average furnace typically lasts about 18 years.