Grow Your Green Building Skillset Online — From Design to Retrofits

From building science to retrofits, energy modeling, smart homes, and beyond, HeatSpring offers a comprehensive marketplace of green building courses. Join your expert instructors for weeks of top notch technical training.

Deep Energy Retrofits – Upgrade existing residential and commercial buildings up to 45,000 square feet. From building assessment to heat and airflow calculations and beyond, you’ll […]

Heat Recovery Ventilation Considerations in Zero Net Energy Homes

Marc Rosenbaum discusses heat recovery ventilation considerations for zero net energy homes on the Zero Net Energy Homes course discussion board…
Exhaust-only ventilation home health concerns
Student 1: Do you know of any potential health impacts from living in a depressurized space– such as a home with exhaust-only ventilation?

Marc: You can pull in pollutants from outdoors or the ground (radon), […]