Courses

Learn how to best 'fix what you have'. If you are serious about transformative energy upgrades in existing residential and commercial buildings up to 45,000 square feet this course is right for you.

A step-by-step guide to designing zero net energy buildings, including energy modeling, architectural drawings, and construction strategies with expert Marc Rosenbaum.

This thirty-minute lecture describes what it takes to build zero net energy buildings. It provides builders with an honest look at the benefits, challenges, and economics of zero net energy projects.

Marc Rosenbaum looks at the potential for battery storage to greatly increase the fraction of a house’s annual load that can be served onsite by solar electricity.

In this 32-minute video, Marc Rosenbaum provides an overview of a residential deep energy retrofit project.

Learn the latest about heat pumps that can supply heat at temperatures as low as -15°F and how to understand ratings and manufacturers' data so you can confidently select the proper system.

This presentation is for architects, builders, and others who want a better understanding about how buildings interact thermally with the ground and how to calculate heat loss to the ground.

This small New Hampshire town was faced with a host of issues with its 35,000 sf school. Key areas included IAQ problems, lack of temperature control, obsolete HVAC equipment, and high energy bills. A small group of volunteers proposed a radical solution.