International Passive House Days | Sidney Place Passive House Project

   This Brooklyn Heights Greek Revival townhouse built in 1846 is currently undergoing a full renovation and restoration that includes a 2-story rear addition, cellar excavation, roof dormers, all new Zola windows and doors, and an 18-foot wide Lamilux roof skylight. It will be EnerPHit certified and is currently under construction, with air sealing details, mechanicals, window installation details, and much more visible on the tour.


We’re on a mission to collect performance and cost data from multifamily Passive House buildings in the U.S.

Why should anyone contribute to this database? In 2019, HPD, CPC, Bright Power, and Steven Winters Associates went on a mission to identify and collect performance and cost data from multifamily Passive House buildings. While Passive House has demonstrated great success for decades, there currently isn’t a database dedicated to capturing and publishing cost and energy data from Passive House projects. This lack of available data has made it challenging…









Special Announcement | Next NYPH President and the first Executive Director

Announcing the next New York Passive House President   The New York Passive House Board of Directors are pleased to announce that Stas Zakrzewski will be the new President at NYPH. The New York Passive House Board of Directors has elected Vice President Stas Zakrzewski to serve as President of New York Passive House as of September 16th. Stas is not a stranger to New York Passive House, having served as Vice President for the…


What is a Thermal Bridge?

A thermal bridge ‘free’ design is one of the 5 fundamental principles of Passive House design and construction. But, what even is a thermal bridge? Why are they important? And how do we go about reducing or eliminating them? We hope to answer some of these questions and more with this post, which has been adapted from the 2016 iPHA Factsheet “What is a thermal bridge?“, originally authored by PHI’s…


AIANY: PHPP should be an approved energy modeling software

The American Institute of Architects New York (AIANY) is writing in support of the Passive House Planning Package (PHPP). PHPP should be an approved energy modeling software package by New York State for demonstrating compliance with the New York State Energy Code. It would serve as an optional compliance path for both commercial and residential buildings, granting more choices to architects, engineers, and buildings owners. PHPP v.9.6 has been independently…