New Format for Deep Energy Retrofits by Marc Rosenbaum

We’ve just released a new version Marc Rosenbaum’s renowned Deep Energy Retrofits Course. Instead of a scheduled session which happens once a year, this course is now offered as a self-study on demand course which students can begin anytime.

We’ve replaced hand-graded assignments with quizzes and self-study work, which in turn made it possible for us […]

January 21st, 2017|Categories: Building Science, Passive House, Passive House, Sustainable Building, Uncategorized, Zero Net Energy Homes||

Grow Your Green Building Skillset Online — From Design to Retrofits

From building science to retrofits, energy modeling, smart homes, and beyond, HeatSpring offers a comprehensive marketplace of green building courses. Join your expert instructors for weeks of top notch technical training.

Deep Energy Retrofits – Upgrade existing residential and commercial buildings up to 45,000 square feet. From building assessment to heat and airflow calculations and beyond, you’ll […]

Water in Sustainable Building: Distribution, Uses & “Zero Net” Strategies

In this free course, sustainable building expert Ann Edminster discusses the uses of water in sustainable building practices.
Enroll and learn about…
-The distribution of water on Earth
-How water gets to and leaves building sites
-How water is used on building sites
-Getting to “zero net” water with strategies, including:
Indoor efficiency, outdoor efficiency, storm water use, rainwater use, grey […]

Venting About Ventilation

There is much debate within the building science community about how much ventilation is enough.
Building science as a discipline has to deal with a lot of messy, noisy data, entrenched mythologies, and strong tendencies towards confirmation bias.

On the other hand, public health as a discipline has to deal with a lot of messy, noisy data, […]

8 Factors in Building Safe Double Stud Wall Cavities With Cellulose

On the Passive House in the Real World discussion board…
Expert instructor Mike Duclos discusses key factors to building double stud wall cavities (packed with Cellulose) safely

Student 1:
Hi Everyone, I’m excited to get started! I’m interested in looking into wall assembly details to compare and contrast the benefits of each. 
Mike Duclos:
In our area (MA) it is possible that […]