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Making Your Own Electricity: Onsite Photovoltaic Systems

Making Your Own Electricity: Onsite Photovoltaic Systems

Although photovoltaic systems have a long payback period, generous incentives and tax credits can make the systems attractive for building...
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Programmable Thermostats

Programmable thermostats can save a lot of energy, but to do so, the have to be operated correctly.
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States Adopt BIM for Energy, Cost Savings

BIM allows state governments to streamline design and construction of state buildings and track their performance over time.
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ASHRAE Requires Mechanical Ventilation in Naturally Ventilated Commercial Buildings

An addendum to ASHRAE’s natural ventilation standard requires mechanical backup systems for naturally ventilated commercial buildings.
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Building a Better Building Block—Pozzotive Plus

Kingston Block & Masonry Supply has introduced a line of CMUs and concrete facing brick made with a post-consumer-recycled-glass pozzolan...
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Join the Discussion!

Green Roof Study Finds Big Variation in Stormwater Retention

David Lanfear says, “I am appreciative of this testing and am very interested in the ongoing findings. As I research and develop living...” More...


Structure as Finish: The Pros and Cons of Leaving Off Layers

David Ottavio says, “Thank you both for your comments. The project that we are looking in to using this type of system is...” More...

Martin Holladay says, “David, While earth tubes were promoted in the late 1990s and early years of this century by Passivhaus Institut founder Wolfgang...” More...

Alex Wilson says, “There was a lot of interest in earth tubes to temper or preheat air for ventilation back in the '80s...” More...

David Ottavio says, “We are looking at incorporating earth ducts into the cooling strategy for a project in the early stage of design. I'd...” More...


2030 E2

Allyson Wendt says, “Hi Bill, I haven't seen anything like that--tools that really measure triple bottom line metrics are just starting to be developed.” More...

William Marston says, “Is anyone aware of someone working on such a tool aimed at the 350ppm target? Of course such a tool must...” More...


Upgrade to LEED 2009?

Christopher Schaffner says, “We've done a comparative analysis on many of our projects. Urban projects with high energy efficiency goals do much better...” More...


Fuel Cells

David M. Mayeri says, “What is Building Green's position on the commercial viability of Fuel Cell Technoloy? Is Plug Power a leader in this...” More...