Free 26 Minute Lesson on Performing Heat Loss Calculations for Net Zero Energy Homes Chris Williams 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 to design Zero Net Energy Homes, here are a few great resources. Click here to sign up for Marc’s course “Net Zero Energy Homes” and design a zero net energy home in 6 weeks Click here to test drive Marc’s course for free and learn how to calculate the heat loss for a Zero Net Energy Home with a free heat loss calculator and an hour of video lessons. Click here to read a case study of 8 net zero energy homes designed by Marc’s company, South Mountain Company Building Science Free Courses Zero Net Energy Buildings Originally posted on September 30, 2013 Written by Chris Williams Chris helped build HeatSpring as the company was getting off the ground. An entrepreneur at heart, Chris graduated from Babson College and owns a fence installation business in New York. More posts by Chris