It’s a green product No chimney! No gas! No smoke! This fireplace uses bio-ethanol fuel to provide you refined warmth and bring you the joy of a real flame in your living space. Bio-ethanol burns clean and it is non-toxic. It releases very little carbon dioxide and water vapor very similar to a candle. Very easy to install & to use The Bio-Blaze® burners are created from high quality 304 grade stainless steel and have a lifetime durability. They come in different sizes and the burning time will depend for the quantity of liquid poured in. They all have an adjustable flame to allow you to control the height of the flame, the running cost as well the heat that is released. The Bio-Blaze® burners are typically integrated into an existing fireplace. Simply place the burner on the surface of your fireplace in place of the wood. The Burner should not be used in decorative fireplaces or placed on any other non-heat resistant surface. The optional Fuego box is required for this type of use. The Bio-Blaze® burners are used in many architects and designers projects and are recognized as reliable and of great quality. All accessories are provided with this unit including a funnel, long lighter and manual. Before using any of the Bio-Blaze ® products, please first refer to the instruction manual.