What is a common sign that HVAC filters need changing?

The identification of dirty or clogged filters is a common sign that signifies the need for changing HVAC filters. Over time, filters accumulate dust, dirt, and other particulates from the air circulating through the HVAC system. When filters become overloaded with these materials, they can obstruct airflow, force the system to work harder, and ultimately reduce its efficiency. Monitoring the condition of the filters is essential because failing to replace them can lead to various issues such as less effective heating or cooling, increased energy consumption, and potentially even damage to the HVAC system.

Recognizing dirty or clogged filters is a straightforward visual cue that enables technicians or homeowners to take preventive action, ensuring optimal operation of the HVAC system. Regular maintenance, including inspections of the filters, contributes significantly to both air quality and system longevity.