What is it about?
Easy to use and quiet accurate nomograph to calculate annuale heating degree-days of any region at any base temperature, provided that heating degree-days at a reference base temperature (e.g. at 18oC or at 65oF) are known.
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Why is it important?
Published heating degree-days at a standard temperature (e.g. 18oC or 65oF) are of limited value, because each building has its specific balance temperature (depending on solar and internal gains, insulation of the building, use of the building etc.). Hence it is important to know the heating degree-days at the building's own base temperature which is usually much different than the standard used ones.
Perspectives
The use of the proposed nomograph may easily lead to quick but more accurate estimations of a building's annual heating load (than those extracted by simply using the already published standard heating degree-days values).
Professor John Joachim Gelegenis
Technological Educational Institute of Athens
Read the Original
This page is a summary of: Diagrams for the Correction of Heating Degree-Days to Any Base Temperature, International Journal of Green Energy, July 2010, Taylor & Francis,
DOI: 10.1080/15435075.2010.493805.
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