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: Best Green Energy Efficient Custom Home of 2015

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 building or […]

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 […]

3 Reasons to Rethink Crawlspaces in Passive House Design

On NESEA’S BuildingEnergy course Passive House Design course discussion board…
Takeaways:

Typically, Passive Houses do not feature crawlspaces (a foundation that is five feet or less, and fully enclosed — or, not vented to outside) because:

If the thermal boundary is at the home’s foundation walls, there is the added cost of the foundation wall and slab insulation.
At a minimum TFA […]

Free 26 Minute Lesson on Performing Heat Loss Calculations for Net Zero Energy Homes

Calculating heat loss, and designing for minimal heat loss, is absolutely critical to designing and building net zero energy home or to passive house standards.

Watch this 26 minute video lesson, from Marc Rosenbaum’s Zero Net Energy Homes course to learn about how to design buildings with minimal heat loss. If you need to learn how […]

September 30th, 2013|Categories: Building Science, Free Courses, Zero Net Energy Homes|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |