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Posts Tagged ‘passive house’
February 7, 2017
Airtightness Requirement for Passivhaus Certification!
Very low air leakage rates are required by the Passivhaus standard and must be demonstrated for each certified building by means of a “blower door” air tightness test. The air…...
January 30, 2017
Air leakage in passive house: Causes and affects!
Air leakage through gaps in a building’s envelope can be caused by either the buoyancy effect of air or by the pressure differential created by wind blowing on a building.…...
January 20, 2017
Passive house in warm climates!
The Passivhaus standard was initially developed for mid and northern European climates but the concept has been proven to work extremely well in hot climates as well. High levels of…...
January 16, 2017
Summer overheating and shading in passivhaus!
A central part of the Passivhaus principle is to make use of solar gains in winter to reduce the heating demand. This can mean that there is a potential for…...
January 10, 2017
Ventilation system! Five steps to achieving Passivhaus on-site!
MVHR – step 5 Passivhaus buildings are dependent on their MVHR system to ensure good indoor air quality. The correct design, installation and functioning of the MVHR system mean it…...
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January 5, 2017
Pressure test for airtight passive house!
Two pressure tests A minimum of two pressure tests will be needed, and three are advisable in some cases. The first should be conducted at the end of first fix…...
January 4, 2017
Building Case Study Enterprise Norwich updated! Lighting for people, not space!
Lighting for people was the key design element for design team of the Enterprise Center Norwich, highly awarded passive house and BREEAM building in UK. And also one of Swegon…...
January 3, 2017
Airtight! Five steps to achieving Passivhaus on-site!
Airtight building envelope – step 4 Airtightness is central to the Passivhaus concept and the standards required go far beyond Part L (2010) requirements. A detailed air tightness strategy should…...
December 27, 2016
Tripple-glazing! Five steps to achieving Passivhaus on-site!
Tripple-glazing – step 3 This is possibly the single most expensive additional investment needed to achieve the Passivhaus standard. Fine tuning the window specification is an important part of achieving…...
December 22, 2016
Thermal bridge free! Five steps to achieving Passivhaus on-site!
Thermal bridge free construction – step 2 Minimising thermal bridging is an issue for both designers and constructors and can result in very simple details for certain methods of construction:…...