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BTU is a measure of energy, while a kilowatt is a measure of power. Energy is power times time. Energy: measured in BTU or kilowatt-hours Power: measured in BTU/hour or kilowatts. 100,000 BTU equals about 29 kWh so a 1 kW heater produces about 3400 BTU per hour.
It depends upon the rating of the plant. A typical plant will produce around 1100 megawatts per hour.
10 %
Six panels would produce six times the power, 1.2 kilowatts. Note that this happens only in direct sunlight, and in other conditions the power produced is much less. In ideal conditions the panels would produce 1.2-kilowatt-hours every hour, so in an 8-hour day it would be 9.6 kilowatt-hours, but not when it's cloudy.
Usually about an hour.
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One pound of propane will produce 21,622 BTU's. 20 pounds of propane will produce 432,440 BTU's. A heater that produces 80,000 BTU's per hour will produce heat for almost 5 1/2 hours.
could be that your heater core is clogged or your thermostat is stuck in the open position making it slow to heat.
depends on the wattage of the elements along with the temp of the cold water but i would guess an hour or two
BTU is a measure of energy, while a kilowatt is a measure of power. Energy is power times time. Energy: measured in BTU or kilowatt-hours Power: measured in BTU/hour or kilowatts. 100,000 BTU equals about 29 kWh so a 1 kW heater produces about 3400 BTU per hour.
Propane has a heat content of 19,900 btu/lb net. This means that a 36000 btu/hr heater needs to burn 1.809 lbs of propane per hour to produce this amount of heat. A 40 lb bottle will last about 22 hours if the heater runs continuously.
A Heat Pump while more expensive to buy than a gas heater has much lower operating costs. It is also much cheaper to install requiring only an electrical connection instead of a gas supply line.
Immersion heaters are rated in watts, there is no average size. So, the answer will depend heavily on the wattage of your particular heater. Also, once you know the size, it will heat thirty liters of water at the rate of so many degrees per hour, so you also have to specify the starting temperature. The same heater will take much longer to get to sixty from 0 degrees as it would from 23.
Your term "hydro" is another term for kilowatt hours. So to answer your question a 4800 watt heater on for an hour would consume 4.8 kilowatt/hours. To take it further if you knew what you pay for a kilowatt hour in your area, multiply it by 4.8 and you could see how much it costs you to operate the heater. An example if you pay .11 cents a kilowatt hour, the price would be .528 or 53 cents an hour.
Depends on the BTUs of the heater.
To heat up a tankful of cold water will take about an hour initially. Once it's hot, the heaters will automatically come on when temperature drops a bit .