[Note: ①After connecting the gas pipe to the machine please Use a Wrench to Tighten it to prevent gas leakage or other safety issues; ②The machine will produce an acceptable level of noise when running Powerful Heating Capacity: With a heating capacity of 75000 ~ 125000 BTU/h and coverage up to 3125 sq.Ft the Habitio propane heater is perfect for large-scale settings. It warms up spaces quickly providing a cozy environment Safe & Reliable: The air forced heater uses pulse ignition technology for a safe and reliable start-up preventing flame-out and air leakage. It also has overheat protection and automatic shutdown in case of a power outage ensuring safe use. The Habitio propane heater is CSA certified Economical & Adjustable: This heater can run for 28 hours on a low setting and 17 hours on a high setting with a 100 lbs propane tank (not included). It features adjustable fan speed controls allowing users to modify the speed for rapid heating and maintaining a constant temperature User-friendly Design: With a portable handle adjustable height function and a 10 ft hose®ulator the torpedo heater is suitable for various spaces like patios garages factories construction sites and farming functions "Efficient and Sturdy: The forced air propane heater uses high-efficiency thermal conversion technology ensuring full combustion of propane. Its also resistant to corrosion and shock"]