Bringing Enterprise Computing into the 21st Century: A Management and Sustainability Challenge

This article was originally published on 03.17.14 by Jonathan Koomey Corporate Eco Forum’s EcoInnovator Blog
Information technology (IT) has been the catalyst for revolutionary change across modern companies, reducing costs, enabling rapid institutional transformation, and generating new products and services. The great irony is that the IT industry has itself not been much affected by the […]

The Impact of Air Tightness on Ventilation in Passive House Design

When many first hear of the Passive House blower door test requirement of 0.6 ACH at 50 Pascals of test pressure, the first thing that comes to mind is the difficulty of designing and executing air barrier details that deliver this. They may not stop to consider how this level of air tightness impacts the […]

Wes Kennedy Weighs in on Stand Alone Solar Storage Systems

On the Advanced Solar + Storage discussion board, Wes Kennedy answers student questions about distribution circuit capacity and AC coupling for retrofits…
Student 1: Hey Wes, I have a quick comment on defining penetration levels. I think the definition you provided is a solid measurement, but as you know, utilities (and specifically those in Hawaii) have […]

Minimize the Energy Your Building Needs with this new Free Tool

Download Ann Edminster’s Free Tool ‘Minimize the Energy Your Building Needs (Energy Free: Homes for a Small Planet, Chapter 4)’
This chapter from Edminster’s award-winning, residential zero-energy primer covers key performance issues such as building geometry, enclosure design, comfort strategies and systems, and water heating. She also discusses how to prioritize investment in different features based on […]

Wood Gasification Boilers: Circulation, Power Interruption & Pump Acceleration

On the Hydronic-Based Biomass Heating Systems Discussion Board…
Why we don’t use the UPS to drive the main circulator to continue operations in case of power interruption? What determines when wood gasification boilers begin to circulate? Do variable speed pumps allow us to control the rate at which the pump accelerates? John Siegenthaler investigates…

Student 1:
If we use a […]