1. ASHRAE, Inc., 2013 ASHRAE handbook—fundamentals, I-P & S-I ed.; 2013.
2. See 〈http://passiv.de〉 [Last access on April 07, 2014].
3. Ned Nisson and Dutt, The superinsulated home book: Wiley; 1985.
4. ASHRAE Inc., ANSI/ASHRAE/IES Standard 90.1-2004: Energy standard for buildings except low-rise residential buildings, S-I edition; 2004.
5. ASHRAE Inc., ANSI/ASHRAE/IES Standard 90.1-2007: energy standard for buildings except low-rise residential buildings, S-I edition; 2007.