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Heating Degree Day

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Heating Degree Day
A day on which the temperature in a certain area is below 65 degrees Fahrenheit, necessitating the use of heaters. Heating degree days are used in some weather futures, which are contracts in which the buyer is required to pay the seller some multiple of $20 for each heating degree day in a month, depending on how much cooler it is. Weather futures allow businesses to hedge against potential losses resulting from unexpected changes in weather. Energy companies are the most common sellers of weather futures; they have become relatively popular investments. See also: Cooling degree day.
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Add the heating degree days and cooling degree days, as Sivak’s study does, and you get an idea of how much energy is used year-round in the region.
Study finds no power gluttony here by Phoebe Sweet / Las Vegas Sun
The Verifier features a complex ultrasonic measurement system consisting of: a loop-powered ultrasonic sensor; a meter configured to produce an electrical indication when a predetermined volume of fuel passes through it; a rewritable memory for storing a look-up table to track the volume of fuel in the tank; systems of calculating and tracking heating degree days and oil consumption and issuing alarms as needed; and a system of remote monitoring for the fuel tank of the building.
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Environment Canada lists the average degree days for Ottawa (1971-2000) as 4602 Celsius heating degree days <18[degrees]C (8284 Fahrenheit heating degree days <64[degrees]F) and 244 Celsius cooling degree days >18[degrees]C (439 Fahrenheit cooling degree days >64[degrees]F).
Summer and winter field monitoring of high and low solar heat gain ... by Manning, M.M.; Parekh, A.; Elmahdy, A.; Barry, C.; Swinton, M.C.; Szadkowski, F. / ASHRAE Transactions
 
 
 
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