Sustainable Building


A Sustainable Building Advisor (SBA) is a leader in the green building field who has met very high standards for green building knowledge.

Sustainable Building Courses:

Introducing Green Workforce Connect – A New Platform for Home Weatherization Careers from IREC

The team at the Interstate Renewable Energy Council (IREC) and a diverse network of partners recently released Green Workforce Connect, a home weatherization career platform that will connect job seekers, students, and contractors to local training providers and employers. With so many in the HeatSpring community working in green building, building performance, and energy efficiency, […]

The Basics of Heat Pump Water Heaters (HPWH) and Installation Considerations

The heat pump water heater market is a huge area for growth in the coming years. It’s estimated to grow from $1.6 billion in 2023 to $3.4 billion in 2033, at a rate of 7.9%. 

In July 2023, the US Department of Energy (DOE) proposed new energy efficiency standards for water heaters which they estimate will […]

July 27th, 2023|Categories: Free Courses, Green Building, Heat Pumps, Refrigerants, Sustainable Building||

The Basics of Home Electrification

In 2020, 26% of U.S. households used electricity as the only source of energy (32.25 million out of 123.53 million homes), according to the U.S. Energy Information Administration.

With new incentives for electrification and renewable energy in the Inflation Reduction Act to help households save thousands of dollars in upfront costs, the trend of home and […]

Heat Pumps 101: How Does a Heat Pump Pull Heat From Cold Outdoor Air?

This is the fifth in a series of Heat Pump 101 videos from instructor and author, John Siegenthaler, P.E.. “Natural vs. Artificial Heat Transfer Processes” was the previous lesson in the series. You can enroll in John’s Heat Pump 101 course for free to learn the very basics of heat pumps in less than an […]

June 6th, 2023|Categories: Free Courses, Heat Pumps, HVAC Design, Hydronic Heating, Sustainable Building||

New Free Webinar Announcement: Home Assessments for Decarbonization

Electrification of existing homes is a hot trend, and rightfully so with all the latest incentives for residences and businesses to transition to electric. Anyone working in the retrofit field is likely – sooner or later – to be asked to help a homeowner with this process. While it can be straightforward, more often it […]