John Siegenthaler Reviews Heat Pumps

In the article below, John Siegenthaler, Principal of Appropriate Designs, explains how air-to-water heat pumps offer new opportunities for hydronic pros. At the end of the article, John runs the numbers to answer the question: “How does the performance of an air-to-water heat pump compare to that of a geothermal heat pump?”  John teaches two […]

Building Innovation 2015 Offers 32 Continuing Education Units

Architects, engineers, installers, contractors, and building science professionals…Read this article to learn more about free online courses and how you can earn 32 AIA credits this January!

I met Richard Paradis, Director of Whole Building Design Guide, a branch of the National Institute of Building Sciences, during my recent trip to Washington, DC. I’d received an email […]