The Impact of Air Tightness on Ventilation in Passive House Design

When many first hear of the Passive House blower door test requirement of 0.6 ACH at 50 Pascals of test pressure, the first thing that comes to mind is the difficulty of designing and executing air barrier details that deliver this. They may not stop to consider how this level of air tightness impacts the […]

Leaders in High Performance Building: A Passive House in Vermont

At HeatSpring, we celebrate innovative builders and designers who work to improve the overall quality and performance of public and residential buildings…
Our Leaders in High Performance Building Giveaway was created for those who have helped plan, design, construct, and/or operate a high performance building. Entrants could submit a photo of their high performance project(s).* The photo could show the entire high performance […]

FREE Lecture: Passive House – Less Energy and More Comfort

Enroll in ‘Passive House: Less Energy and More Comfort’ today!
In this free lecture, James Bill cites several examples of Passive Houses and the comfort and efficiency these structures provide.

Bill discusses the “FRAM” by Fridtjof Nansen (this first crew spent 3 years in the Arctic aboard a Passive House vessel), the “J Wood House” in Sebastopol, the […]