If you have one of these handy appliances at home, chances are you haven't given much thought to when (and even if) you need to change an air purifier filter. But it's something you need to do... and ...

Air purifiers are able to remove dust and allergens from the home, so long as they’re well-maintained — the key here is making sure the filters are doing their job. We’re going to help you keep them ...

A cleaning expert weighs in on the semi-controversial topic of replacing or reusing air purifier filters. If you’ve invested in an air purifier, you likely want to get the most out of its filters.