It’s important to regularly change your furnace air filter to ensure optimal furnace performance and efficiency. A clean furnace filter also helps to improve indoor air quality. Here’s a step-by-step guide on how to install a furnace air filter:

• First, locate your furnace filter.
• Once you’ve located the filter, open the door or panel that provides access to it.
• Remove the old furnace filter and dispose of it properly.
• Install the new furnace filter.