So what is Passivhaus?
Passivhaus or 'Passive House' is the fastest growing energy performance standard in the world with 30,000 buildings realised to date, the majority of those since 2000. The Passivhaus Standards strengths lie in the simplicity of its approach; build a building that has an excellent thermal performance, exceptional airtightness with mechanical ventilation!
This robust approach to building design allows the designer to minimise the 'Heating Demand' of the building and in some residential buildings only specify a heated towel rail as means of conventional heating, this heat can then be recovered and circulated by a Mechanical Ventilation and Heat Recovery (MVHR) unit. As well as being an energy performance standard Passivhaus also provides excellent indoor air quality, this is achieved by reducing the air infiltration rates and supplying fresh air which is filtered and post heated by the MVHR unit.
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