The Dimplex Wall-mount Plug-in Infrared Heater is rated for both indoor and outdoor use, making it the perfect way to create a comfortable environment in both enclosed patios and outdoor porches. This precision engineered ceramic glass heater utilizes tinted glass to help reduce the ambient glow of the heater, while producing excellent infrared transmission. Designed for maximum efficiency, the heater reaches maximum heat power within 6 seconds of turning the unit. You'll be enjoying the beauty of the outdoors, but without the unpleasant chill in no time at all with the addition of this industry leading heater by Dimplex.