![]() ![]() Unless otherwise specified on the filter directions, you should be able to vacuum the dust off, then spray them off with a hose. Electrostatic filters about every 3 months, electronic filters about every week. If your system has a reusable filter, it will need to be cleaned at regular intervals. (I tend to go into the Snoopy dance if I can figure out how to check voice mail on my cell, so the best app for me is to get it done as soon as my wife tells me to.) Apparently, they also come with an app to remind you when to change the things. ( Consumer Reports agrees with me.) They make multiple sizes and thicknesses. We have been using the Filtrete 1900 filter for the best combination of airflow and dust collection. Change them regularly–usually every 3 – 4 months. Replacing Disposable FiltersĬlogged or dirty filters can also create a noisy air return system–again because the system is working harder than it needs to trying to get enough return air into the heat or cooling chamber. Not only will clean filters cut down duct and furnace noise, but they will also cut down energy costs, keep your indoor environment healthier, and extend the life of your furnace. Remember that reduced airflow not only causes noise it will make your furnace less efficient, work harder, and probably wear out sooner.
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