Heating degree day

Heating degree day
  A unit that measure the space heating needs during a given period of time.
  California Energy Comission. Dictionary of Energy Terms

Energy terms . 2014.

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  • Heating degree day — United States Heating Degree Day map, 1961 1990 …   Wikipedia

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  • heating degree-day — a degree day below the standard temperature of 65°F or 19°C, used in estimating fuel consumption. Cf. cooling degree day, growing degree day. * * * …   Universalium

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  • heating degree day — (HDD)    see degree day …   Dictionary of units of measurement

  • Heating Degree Day(s) — (HDD)   The number of degrees per day that the daily average temperature (the mean of the maximum and minimum recorded temperatures) is below a base temperature, usually 65 degrees Fahrenheit, unless otherwise specified; used to determine indoor… …   Energy terms

  • Heating Degree Day - HDD — The number of degrees that a day s average temperature is below 65o Fahrenheit (18o Celsius), the temperature below which buildings need to be heated. The price of weather derivatives traded in the winter is based on an index made up of monthly… …   Investment dictionary

  • Degree day — A degree day is a measure of heating or cooling. Totalized degree days from an appropriate starting date are used to plan the planting of crops and management of pests and pest control timing. Weekly or monthly degree day figures may also be used …   Wikipedia

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  • Heating Degree Days — (HDD)   A measure of how cold a location is over a period of time relative to a base temperature, most commonly specified as 65 degrees Fahrenheit. The measure is computed for each day by subtracting the average of the day s high and low… …   Energy terms

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