Available to order in store for home delivery, Black granite frame, Minimum room size 40 metres cubed, Requires a minimum ventilation area of 100cm squared, 90% energy efficient, Heat output min 2k W, max 35k W, Heat input 35k W, Gas fires should be fitted by a Gas Safe registered installer, All fires must be installed in accordance with the manufacturers' installation instructions & current building regulations, To calculate running costs, multiply the heat input of the fire by your gas/electricity tariff (heat input x pence per k W/hr = running cost)