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Q: How many therms per hour does a18000 btu heater use per hour?
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How many therms are there in 11 million btu's?

110 therms.


How many therms is in 100 ccf of natural gas?

1.034 therms


How many therms are in 1 BTU?

1 BTU is 0.00001 therms.


How many therms are in 1 mill Btu's?

1 million BTU = 10 Therms


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How many therms in a cubic yard?

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How do you determine the operating costs for an above ground gas pool heater?

Your gas pool heater should have a BTU/hr rating for input and output printed on a placard somewhere on the heater. Look for the input rating and divide by 100,000 to get Therms/hr. Assuming your gas is being billed in dollars per Therm, just multiply that rate by your Therms/hr. to get dollars/hour. Multiply this by how many hours you run your gas heater and that's your total pool heater operating cost. Also take in account the time of year temp and wind. If your heating your pool to 78-85 degrees and your pool water is 60 degrees that would be an 18-25 degree temp rise. Your pool is exposed on all sides and this will bleed heat off quickly. It may never achieve the temp desired or not shut down and always call for heat.


How many kWh does an immersion heater use?

Depends on the waatage of the immersion heater. Read the name plate details of the heater - it shows the wattage of the heater. Assuming the wattage is 1KW (1000Watt) the KHW will be 1KHW if you use the heater for 1 hour.


How many kilowatts per hour consumed by a 1000 watt heater?

The heater uses 1000 watts of power at every instant it is running. If it runs for 1 hour, it uses 1000 watt-hours of energy. That is called a kilowatt-hour or a Unit. So it it uses 1 kilowatt-hour per hour.