Derek Cole explains how to choose and replace HVAC filters. Replace them every 30 days, pick one that matches your duct system, and avoid filters that are too cheap or too dense. A professional can help you find the right one for your home.
Every 30 days (and depending on your system).
Every 30 days and depending on your system, depends on what type of filter you need, if you need to go into air cleaning versus filtration, and then if you need to buy a better filter or a smaller, cheaper filter, depending on your duct system. Of course, a professional can tell you which one to buy. The habit I've seen some people get into is either they get the really cheap one or they get the really expensive one. Well, the cheap one is not stopping anything. It's barely stopping the dark air coming through. I mean, you're lucky that stops it. And the expensive one doesn't allow airflow to go through because your system isn't made to handle that kind of filter. So you need to be careful and to make sure you have the right one at your house.
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