A: The British thermal unit (BTU or Btu) is a unit of heat; it is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. It is also part of the United States customary units. The modern SI unit for heat energy is the joule (J); one BTU equals about 1055 J (varying within the range 1054–1060 J depending on the specific definition).
A: Hi Vicki - "46,000" vs "46,000 BTU" would both refer to BTUs.
A: Hi Frank - please do not cover the unit until the head and reflector are barely warm to the touch. Never touch a hot unit.
A: Hi Jerry - this heater is for external use only. It is not safe to use a combustion appliance indoors without external venting. For indoor heating, we recommend an electric heater.
|Brand||Bond||Fire Sense||Nuu Garden||AMBERCOVE|
|Name||Stainless Steel Patio Heater||46,000 BTU Platinum Gas Patio Heater||46000-BTU Stainless Steel Outdoor Heater||Lennick 40,000 BTU Gray Steel Frame Outdoor Patio Propane Gas Heater with Table Top for Commercial and Residential Use|
|Heating Area (sq. ft.)||300||250||200||200|
|Features||Adjustable Flame||Adjustable,Automatic shut-off,Heat Shield,Portable,Venting Required||360 Fire View||No Additional Features|
|Total BTU||46000||46000 Btu||46000 Btu||40000 Btu|
|View Product||View Product||View Product||View Product|