The answer to 'how to clean heat exchanger' is to regularly inspect and clean the heat exchanger to maintain efficient and safe operation of your HVAC system. The heat exchanger is a critical component that transfers heat from the combustion process to the air circulated through your home.
Cleaning the heat exchanger involves removing any soot, debris, or corrosion buildup. This is typically done by a professional HVAC technician during a routine maintenance visit, which should be scheduled annually. They will use specialized tools and cleaning solutions to thoroughly clean the heat exchanger and ensure it is operating properly.