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  2. Heating degree day - Wikipedia

    en.wikipedia.org/wiki/Heating_degree_day

    Heating degree day (HDD) is a measurement designed to quantify the demand for energy needed to heat a building. HDD is derived from measurements of outside air temperature . The estimated average heating energy requirements for a given building at a specific location are considered to be directly proportional to the number of HDD at that location.

  3. Degree day - Wikipedia

    en.wikipedia.org/wiki/Degree_day

    If the mean daily temperature is above 65 °F, the mean degrees Fahrenheit above 65 °F are counted as the cooling degree day. The heating and cooling degree days are tallied separately to calculate monthly, seasonal, and yearly total heating and cooling degree days. Heating and cooling degree days closely correlate with heating and cooling demand.

  4. Energy signature - Wikipedia

    en.wikipedia.org/wiki/Energy_signature

    Also other climatic variables such as heating or cooling degree days are used. [2] In most cases, heating or cooling building energy demand is analysed through energy signatures, but also hot water or electricity demand is considered.

  5. How warm has this spring been? A look at degree-days in ... - AOL

    www.aol.com/warm-spring-look-degree-days...

    Seasonal heating degree-days are recorded by NYSERDA for cities in New York, including Rochester. Since the week ending March 2, Rochester has seen 1898 degree days, which is just 17 days off of ...

  6. Balance point temperature - Wikipedia

    en.wikipedia.org/wiki/Balance_point_temperature

    The building balance point temperature is the base temperature necessary to calculate heating degree day to anticipate the annual energy demand to heat a building. The balance point temperature is a consequence of building design and function rather than outdoor weather conditions. [2] Internal and external heat gains and losses in a building.

  7. US winter forecast for the 2023-2024 season - AOL

    www.aol.com/weather/us-winter-forecast-2023-2024...

    For instance, in New York, heating degree days are predicted to be 4% below the historical average, compared to 15% below last year, which is an 11-12% increase over last year. A similar story ...

  8. Growing degree-day - Wikipedia

    en.wikipedia.org/wiki/Growing_degree-day

    Growing degree days (GDD), also called growing degree units (GDUs), are a heuristic tool in phenology.GDD are a measure of heat accumulation used by horticulturists, gardeners, and farmers to predict plant and animal development rates such as the date that a flower will bloom, an insect will emerge from dormancy, or a crop will reach maturity.

  9. File:United States Heating Degree Day map, 1961-1990.jpg

    en.wikipedia.org/wiki/File:United_States_Heating...

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