What does heating degree day mean?

Definitions for heating degree day
heat·ing de·gree day

This dictionary definitions page includes all the possible meanings, example usage and translations of the word heating degree day.


  1. Heating degree day

    Heating degree day is a measurement designed to reflect the demand for energy needed to heat a building. It is derived from measurements of outside air temperature. The heating requirements for a given structure at a specific location are considered to be directly proportional to the number of HDD at that location. A similar measurement, cooling degree day, reflects the amount of energy used to cool a home or business. Heating degree days are defined relative to a base temperature—the outside temperature above which a building needs no heating. The most appropriate base temperature for any particular building depends on the temperature that the building is heated to, and the nature of the building. The base temperature is usually an indoor temperature which is adequate for human comfort. For calculations relating to any particular building, HDD should be selected with the most appropriate base temperature for that building. However, for historical reasons HDD are often made available with base temperatures of 60 °F or 65 °F —base temperatures that are approximately appropriate for a good proportion of buildings. Also, base temperature of 17 °C is used at least in Finland and Denmark, but also 19 °C is used is some locations. Because the base temperature can be chosen and it can therefore vary, the base temperature used in calculating the heating degree days has to be presented.

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How to say heating degree day in sign language?


  1. Chaldean Numerology

    The numerical value of heating degree day in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of heating degree day in Pythagorean Numerology is: 3

Translations for heating degree day

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"heating degree day." Definitions.net. STANDS4 LLC, 2024. Web. 19 May 2024. <https://www.definitions.net/definition/heating+degree+day>.

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    not transmitting or reflecting light or radiant energy; impenetrable to sight
    A nasty
    B opaque
    C transparent
    D occasional

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