I have a ZAQ Noor essential oil diffuser. I love it and use it everyday. It covers about 350 sq'. Perfect next to the bed while you sleep or on a desk at work. Just don't use any type of citrus EO in a diffuser. The acid breaks down the plastic. There is no reason not to try an EO diffuser. They are cheap and portable and an easy way to incorporate EOs into your regimen, plus they make your house smell great!