Cocoon Fires has kept the universal features that make the fireplaces unique. Simply open the burner in the Cocoon fireplace and fill it with bioethanol. Cocoon fireplaces burn up to five hours and thanks to their environmentally friendly bioethanol burner no chimney is required. Enjoy real warmth with no smoke, ash or soot. All Australian models are supplied with a fuel dispenser which contains a flame-arrester this must be used for refilling the device.