Green Building

Zero net energy, geothermal heat pumps, hydronics, building science, HVAC engineering, high efficiency boiler systems, passive house. We write regularly on technical issues related to green buildings and offer some amazing free tools to help you stay in the loop.

Building Science, Zero Net Energy, Passive House, and Roofing

Hydronics, Boilers, and Environmental Quality & HVAC Engineering

Renewable Thermal: Geothermal Heat Pumps & Biomass

GRID Alternatives’ International Program Expands to Nepal

In July, HeatSpring published a Sustainable Women Series article featuring the Founder and CEO of GRID Alternatives, a national non-profit that facilitates affordable solar power projects, oftentimes in low-income communities. In this follow-up article, I spoke with Jenean Smith, the Director of the International Programs at GRID Alternatives, whose working on a 16 kW solar […]

Building Automation Systems and Open Building Systems: Design Specs

Building Automation Systems (BAS) specifications are a required piece of any building construction, upgrade or retrofit project.
Learn about Building Automation Systems and Design Specifications for Open Building Systems in Ron Bernstein’s latest course.

Typically developed by a consulting engineer, a good specification can significantly enhance the effectiveness and usability of a project. A bad specification can […]

Water in Sustainable Building: Distribution, Uses & “Zero Net” Strategies

In this free course, sustainable building expert Ann Edminster discusses the uses of water in sustainable building practices.
Enroll and learn about…
-The distribution of water on Earth
-How water gets to and leaves building sites
-How water is used on building sites
-Getting to “zero net” water with strategies, including:
Indoor efficiency, outdoor efficiency, storm water use, rainwater use, grey […]

Energy Models: Design Tools & Energy Use Simulators

“What is an Energy Model?”
In this brand new free course, P.E. and LEED Fellow Chris Schaffner explains.

Chris describes a variety of methods for modeling building energy consumption. He starts with simple energy estimating tools of increasing complexity and finally arrives at detailed energy simulations.

A few simple methods are described, and spreadsheets built to use these methods […]

Zero Energy Homes: Economics, Efficiency & Renewable Energy Integration

What are Zero Energy Homes? How are they cost efficient and how do they help significantly lessen energy use?
In this $30 course, sustainable building expert Ann Edminster has the answers.

This course, designed as an introduction to all things Zero Net Energy, is perfect for energy consultants, homeowners, building analysts, sustainable builders and anyone curious about the power […]