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Help Make Insulation Safer

By   /  April 16, 2013  /  Products  /  1 Comment

      Dear Green Building Enthusiasts, My dedicated friends and associates at the Safer Insulation Solution have forwarded the plea for support below. Please do what you can to help move this important initiative forward! We all want energy efficient buildings that are also fire safe and healthy for people and the environment. The […]

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Your Gadgets Are Killing . . . Part 2

By   /  March 19, 2013  /  Products, Resources  /  No Comments

Yesterday I wrote about the fact that our gadgets and their chargers now use up more electricity, in USA homes, than heating and cooling! Alex Stadtner weighs in from another angle, presenting evidence — a lot of evidence — that they may also be harming us with the electromagnetic fields they generate. Those fields surround […]

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Your Gadgets Are Killing Home Efficiency Improvements

By   /  March 18, 2013  /  Oops!, Products  /  No Comments

We are building tighter, more efficient homes — but using more juice keeping all the lights and devices charged and humming. Stephen Lacey spells this out in Greentech Media: Your Gadgets Are Killing Home Efficiency Improvements : Greentech Media.

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a new view of concrete

By   /  March 12, 2013  /  Products  /  No Comments

Concrete is by far the most common material used by humankind for anything, excepting only water. And it gets villified in green building for its carbon footprint. But there’s more to the story. Here’s a longer view of how we make the artificial rock called “concrete”. 21st Century Concrete — a New Look

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Towards A Hemp Architecture

By   /  January 27, 2013  /  Products  /  No Comments

One of the most promising natural building technologies — “natural” meaning minimally processed, low energy intensive materials — is hemcrete, a mixture of chopped hemp hurds and lime plaster. It can be pressed into blocks, or stuffed or sprayed into wall cavities, and provides excellent thermal insulation, thermal mass, and moisture durability. Check out this […]

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In the market for fridge+baby monitor?

By   /  January 21, 2013  /  Products  /  No Comments

This year’s Consumer Electronics Show was reportedly chock-a-block, as always, with the latest and greatest (??) gadgets and gizmos. We spend a lot of time in our zero net energy classes talking about the rising significance of these devices (a.k.a. plug loads) in otherwise-efficient homes. The notion of combining functionality is admirable, and for years […]

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Why Plastic Foam Insulation Is Like a Twinkie

By   /  December 22, 2012  /  Products  /  No Comments

Foam insulation in its many forms has grown wildly popular, and for good reason. As sprayed foam or as rigid board, it makes it easy to insulate very effectively in all sorts of places that used to be hard or impossible to insulate, such as basements, flat roofs, and the outsides of walls. With plastic […]

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Solar Thermal is Dead (or fairly deadish)

By   /  December 10, 2012  /  Products  /  2 Comments

Warming water directly in a solar array for space heating or domestic hot water is simple enough in concept. But rarely your best option when compared to photovoltaic arrays and electric support for air-source heat pumps. Martin Holladay spells out the pros and cons in GreenBuildingAdvisor

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Insulating Stud Cavities in Existing Homes

By   /  December 5, 2012  /  Products  /  No Comments

If we can improve the energy efficiency of our homes, then everyone will benefit — society, the utilities, the homeowner, and the children on the floor who can be snug and warm instead of chilly. Erik North weighs the different options in Green Building Advisor

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Building Product Transparency

By   /  December 2, 2012  /  Products  /  No Comments

Kudos to Penny Bonda and the Healthy Building Network for taking on Big Chem at Greenbuild … on camera! If those chemicals are safe, what’s to hide?! Read more here.

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