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

Mike Duclos’s Passive VS Conventional Floor Planing + Sample Passive House Design (PDF)

Hydronics, Boilers, and Environmental Quality & HVAC Engineering

Free Course: How to Design & Sell Mod-Con Boilers with Roy Collver
Free Course: Achieving Hydraulic Separation in Hydronic Systems with John Siegenthaler
Free Course: Integrating ASHRAE HVAC Standards with Robert Bean
Free Course: Mastering the Outdoor Reset Curve with Dave Yates

Renewable Thermal: Geothermal Heat Pumps & Biomass

Free Course: Temperature Stacking in Thermal Storage for Biomass Heating Systems with John Siegenthaler

New Free Course Announcement: What is RETScreen Expert? Benchmarking, Feasibility, Performance, & Portfolio

We all know that we need a lot more clean energy on the grid to curb climate change; although, it’s typically not easy knowing what exactly to do or where to start when it comes to clean energy project development. That’s where RETScreen Clean Energy Management Software can help – enabling professionals to build financially […]

1 NABCEP CEU – New Free Course Announcement: Introduction to Architectural Solar 

With the ever increasing focus on sustainable, net-zero, and grid-efficient buildings, architectural solar has been and continues to evolve as a key tool within renewable energy integration. But what exactly is architectural solar, and how does it influence the design and functionality of buildings? Answering these questions is the goal of Christopher Klinga, P.E. and […]

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, […]

What Makes Construction Challenging?

Working in construction can be very challenging. Why is this? HeatSpring instructor Amy Powell asks her teammates, colleagues, and trade partners to dive deep to get to the bottom of this question. 

She found that the majority of the challenges and experiences communicated ultimately boiled down to two things – communication and people. 

Skilled labor shortages. 

Onboarding. 

Motivating others. 

Initiating […]

New Free Course Announcement: Construction Communication Methodology

Construction communication methodology is a critical, yet rarely discussed, element that shapes the overall outcomes of a construction project and the experiences of those working there. With the countless timely needs that require our focus on construction projects, it can be difficult to be intentional about the way we communicate. Nonetheless, communication strongly impacts everyone’s […]