<P>Passivhaus is the fastest growing energy performance standard in the world, with almost 50,000 buildings realised to date. Applicable to both domestic and non-domestic building types, the strength of Passivhaus lies in the simplicity of the concept. As European and global energy directives move ever closer towards Zero (fossil) Energy standards, Passivhaus provides a robust ¿fabric first¿ approach from which to make the next step.</P><P><EM>The Passivhaus Designers Manual</EM> is the most comprehensive technical guide available to those wishing to design and build Passivhaus and Zero Energy Buildings. As a technical reference for architects, engineers and construction professionals <EM>The Passivhaus Designers Manual</EM> provides:</P><UL><P><LI>State of the art guidance for anyone designing or working on a Passivhaus project;</LI><P></P><P><LI>In depth information on building services, including high performance ventilation systems and ultra-low energy heating and cooling systems;