It varies with weight and activity, but a widely accepted approximation is 100 Watts, or 340 Btu/hr, averaged throughout the day.
1 quart each hour
lots
1 quart each hour
Cold-blooded animals do not produce much body heat. Most do not produce any at all.
1 quart an hour 1 liter
700c-1500c
enough.
When light bulbs are turned on, they produce heat as a byproduct of generating light. The amount of heat produced varies depending on the type of bulb, but incandescent bulbs tend to produce more heat than LED bulbs.
On average, a human produces about 100 watts of heat in a day.
64400lumens
The two 5kW heating elements will produce a total of 10kW of heat when energized simultaneously.
A 75 watt bulb produces about 75 watts of heat.