WORKS WITH OR WITHOUT HEATER BEING ON. ALL PRODUCTS GUARANTEED UNLESS OTHERWISE NOTED!Check out my other items. Be sure to add me to your favorites list. The item "SOUTHERN ENTERPRISES 23W ELECTRIC FIREBOX INSERT 3D FAUX FIREPLACE SPACE HEATER" is in sale since Thursday, January 25, 2018. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Space Heaters". The seller is "atllaparis" and is located in Atlanta, Georgia. This item can be shipped to United States.