Mr. Heater Corporation MH70KFR 70K BTU Kerosene Radiant Heater: This heater is a great option for those who need to heat up large outdoor spaces quickly and efficiently. It has a high BTU output of 70,000 BTUs, which makes it ideal for use in cold weather conditions. The heater also features a built-in safety shutoff system that automatically shuts off the fuel supply if the flame goes out or if the fuel tank is empty. Overall, this heater is well worth considering for anyone who needs to heat up large outdoor spaces quickly and efficiently. Multi, Dyna-Glo SF70DGD Delux 70000 BTU Kerosene/Radiant Forced Air Heater: This heater is a great option for those who need to heat up large outdoor spaces quickly and efficiently. It has a high BTU output of 70,000 BTUs, which makes it ideal for use in cold weather conditions. The heater also features a built-in safety shutoff system that automatically shuts off the fuel supply if the flame goes out or if the fuel tank is empty. Overall, this heater is well worth considering for anyone who needs to heat up large outdoor spaces quickly and efficiently. Pro-Temp PT-70-SS 70,000 Btu Kerosene Radiant Sun Stream Heater: This heater is a great option for those who need to heat up large outdoor spaces quickly and efficiently. It has a high BTU output of 70,000 BTUs, which makes it ideal for use in cold weather conditions. The heater also features a built-in safety shutoff system that automatically shuts off the fuel supply if the flame goes out or if the fuel tank is empty. Overall, this heater is well worth considering for anyone who needs to heat up large outdoor spaces quickly and efficiently. L, Red/Black, DB70 Dragon Breath Unit Heater - 70,000 BTU: This heater is a great option for those who need to heat up large outdoor spaces quickly and efficiently. It has a high BTU output of 70,000 BTUs, which makes it ideal for use in cold weather conditions. The heater also features a built-in safety shutoff system that automatically shuts off the fuel supply if the flame goes out or if the fuel tank is empty. Overall, this heater is well worth considering for anyone who needs to heat up large outdoor spaces quickly and efficiently. Master MH-70-SS-A Radiant Kerosene Heater, 70,000 BTU: This heater is a great option for those who need to heat up large outdoor spaces quickly and efficiently. It has a high BTU output of 70,000 BTUs, which makes it ideal for use in cold weather conditions. The heater also features a built-in safety shutoff system that automatically shuts off the fuel supply if the flame goes out or if the fuel tank is empty. Overall, this heater is well worth considering for anyone who needs to heat up large outdoor spaces quickly and efficiently. Koldfront WTC12001W 12,000 BTU 208/230V Through The Wall Heat/Cool Air Conditioner: This air conditioner is a great option for those who need to cool down their outdoor space quickly and efficiently. It has a high BTU output of 12,000 BTUs, which makes it ideal for use in hot weather conditions. The air conditioner also features a built-in safety shutoff system that automatically shuts off the power supply if the unit goes into overload or if there is an issue with the compressor. Overall, this air conditioner is well worth considering for anyone who needs to cool down their outdoor space quickly and efficiently. AmazonBasics Commercial Outdoor Patio Heater: This heater is a great option for those who need to heat up large outdoor spaces quickly and efficiently. It has a high BTU output of 9,600 BTUs, which makes it ideal for use in cold weather conditions. The heater also features a built-in safety shutoff system that automatically shuts off the fuel supply if the flame goes out or if the fuel tank is empty. Overall, this heater is well worth considering for anyone who needs to heat up large outdoor spaces quickly and efficiently. Havana Bronze: This heater is a great option for those who need to heat up large outdoor spaces quickly and efficiently. It has a high BTU output of 9,600 BTUs, which makes it ideal for use in cold weather conditions. The heater also features a built-in safety shutoff system that automatically shuts off the fuel supply if the flame goes out or if the fuel tank is empty. Overall, this heater is well worth considering for anyone who needs to heat up large outdoor spaces quickly and efficiently. In conclusion, these products are great options for those who need to heat up or cool down their outdoor space quickly and efficiently. They all have high BTU outputs and built-in safety shutoff systems that automatically shut off the fuel supply if there is an issue with the unit.