Hearth or wall mounted. Use a small plinth to support the fret / ashpan if wall mounted. Three piece fuel bed ensures the consistency of flames. 89% Heat Efficiency Heat Output: 4kW 3 Year Manufacturer's Guarantee (T&Cs Apply) Silver Chrome Finish Coal Effect Must be Fitted by a Gas Safe Registered Installer Glass Fronted Deep Coal Effect 89% Heat Efficiency Heat Output: 4kW 3 Year Manufacturer's Guarantee (T&Cs Apply) Silver Chrome Finish Coal Effect Must be Fitted by a Gas Safe Registered Installer Glass Fronted Deep Coal Effect