Our most powerful heater the devil 3150 propane fired space heater is ideal for large workshops warehouses etc wheel mounted allowing for easy movement around large space the devil 3150 produces up to 344 000 btuhr 100kw of heat perfect for heating up those cold industrial environments especially those without a source of built in heat such as a central heating system manufactured to meet calor ds and dvgw standards the devil 3150 comes complete with a regulator and heavy duty gas ho