Portable Heater Specifications Design Specifications : Heatmax Radiant Gas Heater High Performance • Stylish Design • 304 Stainless Performance Comparison Type Conventional Patio Heater Heatmax Radiant Patio Heater Heat Source Atmospheric gas burner Highly efficient infrared burner Heat Reflection Downward focus Side spread Heat Distribution Unit Positioning Centralised position On periphery (out of the way) Safety Shut Off Tilt switch cutoff Tilt switch cutoff Fuel LPG LPG Bottle Size 9 kg 9kg 12kg 18kg Bottle Refill 8-10 hr 40-80 hr Running Costs $3.79 per hour 64cents per hour Emissions High level of pollution .0001 emissions Additional Benefits Out of traffic area. Handy side bench. Cost recovery due to high efficiency Dimensions