The problem of dirt collecting around ceiling diffusers has been a concern in the air distribution industry for a long time. Some people have asked about this dirt and the impact on indoor air quality ...

To some people, a diffuser is just a piece of metal that covers a hole in the ceiling. Occupants don't always understand what the diffuser does; instead, they may see it as the necessary evil that ...

Essential oil diffusers spread fragrance throughout your home without a candle's open flame. Our top picks are powerful and ...