SIP Professional Fireball P111DVS propane heater is an ideal space heater for heating factories, warehouses, garages and workshops. The stainless steel combustion chamber and casing eliminates rusting and the heavy-duty construction means reliable, long-term use. SIP 09006 is for use with propane only and produces a BTU output of between 54,500 and 102,000 / 16 and 30kW. Also features dual 110 and 230 voltage and will heat an area upto 720m³ / 25,500cu.ft. Made in Italy and comes with 2 year warranty.