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PHIUS Technical Committee Overview

The PHIUS Technical Committee comprises building science and passive building experts from architecture, construction, government and academia. The Committee's expert technical input is critical to the following PHIUS programs:  

  • PHIUS+ Project Certification
    The PHIUS+ Certification program is the leading passive building certification program in the United States. The Committee is charged with regular review of certification protocols as well as with addressing new building science issues as they arise.‚Äč
  • PHIUS Verified Window Performance Data Program 
    The Committee has developed climate-specific evaluation and recommendation criteria for windows used in passive buildings.

  • PHIUS Verified Building System / Panel System Program
    The Committee has developed climate-specific evaluation and recommendation criteria for panels used in passive buildings. The program verifies that the system design addresses the four critical control functions of a building enclosure: water control, air control, water vapor control, and thermal control.

  • CPHC Training Curriculum
    The Committee works with PHIUS program staff and instructors to continually funnel the latest knowledge and best practices into the PHIUS Certified Passive House Consultant (CPHC®) training curriculum and certification examination content.

  • PHIUS Annual North American Passive House Conference
    The Committee serves as a peer review board for abstract submissions for the Annual North American Passive House Conference, ensuring relevance and technical quality and integrity of program presentations.

  • Climate Specific Passive Building Standards
    In 2014, PHIUS partnered with Building Science Corporation to adapt the European passive house metric to North American climate zones. The goal: to optimize energy efficiency and cost effectiveness to accelerate the adoption of passive building principles. The preliminary result of these efforts was presented at the 9th Annual North American Passive House Conference in San Francisco September 12-13, 2014. The standards were released in late 2014 for review, and implemented in March of 2015 as part of the PHIUS+ project certification program. The Committee will continue to monitor data from projects and adapt the standard over time based on materials advances, market conditions, and other variables.

Download the Climate Specific PHIUS+ 2015 Passive Building Standard Presentation

  • Technical Publications
    The Committee regularly examines specific topics relevant to the passive building community and publishes papers on these subjects. Topics include but are not limited to: ground contact modeling, shading, thermal bridge calculations, internal heat gains, daylighting, subsoil heat exchangers, exhaust air appliances, domestic hot water, on-site renewables, and process loads in commercial buildings.

 

PHIUS Technical Committee Structure  

The Committee operates by a modified consensus process. Up to three ballots are required seeking consensus for a notionally proposal, counterproposal, and compromise. If there is still no consensus, a motion can pass on a three-fourths vote. This procedure also applies to membership – any member can nominate a new member, and if the motion carries, the new member is approved. Members can also be voted off by the same procedure.

Read the full PHIUS Technical Committee Bylaws

 

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