Technology and Engineering


HeatSpring recruits the top experts in their field to offer advanced technical training for engineers and people who make stuff work. We have a focus in energy systems and provide powerful free tools and resources to anyone willing to invest the time to get up the learning curve.

An Overview of Commercial and Industrial Fan Efficiency

Fans are the last of the low-hanging efficiency fruit in HVAC and process applications.
In this lecture, Wade Smith, former Executive Director of the Air Movement and Control Association, introduces critical concepts related to commercial and industrial fan efficiency and explains how to capture significant savings in fan energy use.

The lecture provides a wealth of actionable facts […]

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 […]

Sustainable Brewing: A Small, Solar-Powered Company in the Business of Beer

Throwback Brewery: where great beer, solar and sustainable business practices collide. In 2010, co-Founders Annette Lee and Nicole Carrier opened their brewery in North Hampton, New Hampshire with the vision to create 100% locally-sourced beers, as well as to promote other aspects of sustainable business.
Almost six years later, they’ve created a thriving brewing community, a successful sustainable business, […]

Blowing Emissions Away: Building a 6MW Wind Farm

The Kingston Wind Project, a 6MW farm, has produced 48,360,370 kWh to-date, eliminating 35 metric tons of CO2 that would have been produced by a coal mine and equivalent to planting 33,263 acres of forest or taking 7,422 cars off the road each year. Mary O’Donnell, Founder and President of No Fossil Fuel, discusses details about the […]

How to Build a 75% Net Zero Community

What does it take to build a 75% net zero community and the “largest Emerald-rated community” in the world? Tabitha Crawford explains how her team combined solar, HVAC, and sustainable building practices to build 250 net zero homes while keeping construction costs at a 3% premium.

Q: Tell us about your Emerald-rated Community:
Our community is a 250 new […]