[bldg-sim] Unit conversion

[Christian Oberdorf]

In Europe kWh/m2a is a commonly used unit for specific (per m2) energy (consumption) per year.

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Christian Oberdorf
TRANSSOLAR Energietechnik GmbH
Büro München
Goethestr. 28
80336 München
Germany
Fon: +49 (0)89 / 59 06 88 - 43
Fax: +49 (0)89 / 59 06 88 - 59

Mailto:Oberdorf at transsolar.com 
http://www.transsolar.com 
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-----Ursprüngliche Nachricht-----
Von: Yury Lui [mailto:ylui at Sebesta.com] 
Gesendet: Dienstag, 30. September 2003 22:09
An: bldg-sim at gard.com
Betreff: [bldg-sim] Unit conversion


Can someone explain what is the different between energy unit "kWh/m2" and "kWh/m2a"? What is the letter "a" stand for? If these two units are different, what is the conversion factor? Thanks.

Yury Lui,  P.E.
Mechanical Engineer
Sebesta Blomberg & Associates, Inc.
Providing Technical & Business Solutions
Tel: 847-692-4780
Fax: 847-692-4784

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