Derek Cole shows how to spot a clogged or overly restrictive HVAC filter: watch if it gets sucked inward, check for air leaking around the corners, and remember that high-efficiency filters can choke airflow if your system isn't built for them.
An easy thing to check and tell if the filter is too much for the system is when you, when the system is on and you put the filter in, you know, is it slamming shut to that filter or is it sucking in that filter? And you see four corners looking back at you of exposed space because now the air is going through those corners and not through the filter. Because the filter is so efficient, so tight. Again, the more efficient the filter, the worse it is on your airflow. So make sure your system can handle what you need.
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