Heating Degree Day


Also found in: Dictionary, Encyclopedia, Wikipedia.
Related to Heating Degree Day: Cooling degree day

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.
Mentioned in ?
References in periodicals archive ?
TH] = heating degree days (HDD) (Thom 1954; Quayle and Diaz 1979)
Wireless heating management system and tenant usage behavior in bulk-metered apartment buildings: a case study
Initial results for cycling and gas consumption are shown in Figure 1, in which the weekly gas consumption (therms) and cycles are shown adjusted for local heating degree days (Base 65[degrees]F/18[degrees]C).
Field & Laboratory Evaluation of Advanced Load Monitoring Boiler Controllers
i] are monthly heating degree days and cooling degree days respectively for region i where regions are defined as the area served by a particular power distribution company, in this case, KESC, [T.
Impact of climate change on electricity demand: a case study of Karachi district
19) The weather variables were the actual average temperatures during 1979, the highest temperature in the summer, the lowest temperature during the winter, the number of heating degree days during 1979, and the number of cooling degree days.
Health and amenity effects of global warming
In principle we could simply find the ratio of energy usage to heating degree days using on-site weather data, and multiply by the HDD associated with the TMY3 file (See Equation 1).
Matching building energy simulation results against measured data with weather file compensation factors
Engine heat produces enough hot water to heat the facility's hangar despite being located in a region with over 5,000 heating degree days.
How 4 combined Heat and Power systems save Energy for facilities: EPA honorees achieve high operating efficiencies
There were only 24 population-weighted heating degree days last week compared with 64 at the same point last year.
US natural gas prices caught in the crossfire
2 cents per kilowatt-hour, and, of course, their heating costs are less than half (2,600 heating degree days v.
Teaming up on development: expanding our tax base and attracting new good jobs should not be left solely to municipal and state entities
LOGAN, IA: Monthly total heating degree days, [online] [cited 05 October 2012].
Lifecycle energy consumption prediction of residential buildings by incorporating longitudinal uncertainties
There were 20 percent fewer heating degree days in the first half of 2012 than in the first half of 2011, Unitil said.
BUSINESS BRIEFS
However, a recent study of the last ten years' heating degree days showed that 80-day hybrids harvested at 35% to 40% moisture content will allow for double-cropping of corn as far north as northern Illinois.
Freezing instead of drying high-moisture corn: a system design

Financial browser ?
Full browser ?