But there are some things I wish I knew before buying an air purifier — including knowing the right size for my room. While ...

Christian Portable room air purifiers provide ... room (the average size of an office). Since the office is a smaller space, even models that don’t top our ratings chart will do well and save ...

How big/strong of an air purifier do I need? It depends on the size of the room. Measure the room you’d like to install the air purifier in (square footage is the width times the length), plus ...

Whether you’re seeking relief from seasonal allergies, occasional wildfire smoke, or just regular old air pollution, an air purifier is ... CADR equal to the size of the room in square feet ...