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This knowledge base contains a collection of resources to help you build a Passivhaus including peer-reviewed guidance from industry experts, rules of thumb and case studies of Passivhaus certified building projects.

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NEW FOR 2017! A new Passivhaus products section has been added to the Knowledge Base, providing a unique reference source of products and systems which are suitable for use in Passivhaus developments. Click here to find out more.

Early planning advice for Passivhaus developments
Design considerations when designing a Passivhaus
On-site quality control and processes when building a Passivhaus
Handover and ongoing maintenance of Passivhaus buildings
Featured content

New tool simplifies inputting windows in PHPP

A new tool which simplifies the process of inputting window information into the Passive House Planning Package (PHPP) has been developed by Tim Martel at Optimal Retrofit. Tim is a Chartered...

Latest Products

Teplo Cavity Wall Ties

Ancon Teplo Low Thermal Conductivity Wall Ties suit cavities up to 450mm and minimise heat loss through thermal bridging, improving the energy efficiency of a masonry cavity wall. Ideal for...

Latest Products

TEK Cladding Panel

Comprise a 142 or 172 mm thick structural insulated panel (SIP). Panels are connected with a unique jointing system.

Latest Products

K118 Insulated Plasterboard

Kingspan Kooltherm K118 Insulated Plasterboard is a premium performance, lower lambda internal wall insulation, with a fibre-free rigid thermoset phenolic core. It has a 12.5mm plasterboard...