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

Deep Energy Retrofits for Historic Buildings

Historic buildings are a special case in the world of Deep Energy Retrofits, as they bring additional constraints and special structural issues to the forefront. Still, bringing a beloved (but usually energy inefficient) community building into the resource climate of the 21st century is incredibly rewarding.

In this course, designed for architects, engineers, builders, and owners/operators […]

UW Greek Community Perpetuating College Sustainability Movement

Officially launched in November 2015, the Green Greek Representative Program (GGRP) is a student-run program at the University of Washington working to make the Greek Community a more sustainable place. Working through UW EcoReps and supported by the UW Sustainability office, this newly-created program has already been extremely successful. A sustainable lighting project is estimated to save one […]

Selling Home Performance: 4 Traps to Avoid

You want the sale. We all want the sale!
Maybe you’re very hungry to post some numbers or push to hit the plan. That’s OK. But don’t let that get in the way of good approaches… 
THIS ARTICLE WAS WRITTEN BY MICHAEL ROGERS, ORIGINALLY PUBLISHED ON THE OMSTOUT CONSULTING ENERGY MATTERS BLOG

It’s easier to stick with a […]

Amassing & Analyzing Zero Energy Building Data

Many believe that the future of net-zero energy is already here. At the forefront, the Net-Zero Energy Coalition is not only leading the movement, but also creating what their team refers to as “The Hub,” a place where all-things-Zero-Energy (ZNE) can be discovered. From research, to outreach resources, to case studies. Part of this exemplary resource […]

Geothermal HVAC Design: From Building Loads to Bore Field Design

Learn geothermal HVAC design fundamentals, with emphasis on building load (residential, commercial and institutional) development, leading to bore field specification.
Watch Al’s lectures (one introductory, the other highly technical), and download a Geothermal HVAC Design Performance Simulator excel file in his brand new, $45 HeatSpring course.

Who should enroll?

Engineers, HVAC contractors, building owners, and those who […]