Zero Net Energy Buildings


Marc Rosenbaum’s ‘Zero Net Energy Buildings’ has helped students produce hundreds of zero net energy home designs since 2011, many of which have been built.

Live Commissioning (Cx) Class with 8 PDHs Launching March 18th

If you’re ready for a deep-dive into Commissioning (Cx), Khaled Yousef is ready to give it to you. He’s teaching a one (full) day commissioning course on March 18th.

This course has been evaluated and approved by the Practicing Institute of Engineering, Inc. (PIE) for compliance with the New York State Mandatory Continuing Education requirements for […]

We Need an Installation Standard for Ventilation

Buildings are getting tighter to save energy while COVID is drawing attention to the importance of proper ventilation. How much ventilation is needed? For residential buildings, there’s a widely accepted standard.

ASHRAE 62.2 “Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings” Standard is a national standard that provides minimum requirements and methods for achieving […]

Scott Sklar’s New and Improved “Solar Power 101” Course

Amory Lovins, Co-Founder of the Rocky Mountain Institute, says “Scott Sklar is a walking encyclopedia of American renewable energy.” He’s not kidding. 2,500 solar professionals have taken Scott’s “Solar Power 101” course, which was created in 2014.

The material held up remarkably well because Scott is such an incredible researcher and presenter. But recently Scott went […]

Wes Kennedy’s Solar Shed and the Quest for Net Zero

This Fall Wes Kennedy is teaching an incredible course called “Comprehensive Solar + Storage”. Consider taking it if you want to level-up your energy storage knowledge and earn a bunch of NABCEP credits. I asked Wes what kept him busy over the summer and his answer was unsurprisingly cool.

Here’s What Wes Has Been Up To

With […]

Climate Change and COVID Crisis Boost Interest in Ventilation

The Covid-19 crisis and climate change are boosting interest in ventilation and in training that helps people calculate the amount of ventilation needed in a home or building, says HeatSpring instructor Rick Karg.

Karg, who teaches  ASHRAE 62.2 Ventilation for Single Family Dwellings, says people are increasingly interested in ventilation because it helps reduce the spread […]