Advances in Windows

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Windows have a huge impact on the energy use of our homes. Fortunately, there have been dramatic advances in window technology over the past thirty years. This column will take a look at factors that affect the energy performance of windows.

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Preventing Moisture Problems

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Mold in a vented attic.

What's moisture have to with energy? Quite a bit, actually. When we tighten up or insulate a house, there's the potential of causing moisture problems that could harm your health by allowing mold to grow or affect the life of materials your house is built from. And any time you work on a house, especially when you do things that affect the exterior envelope (walls, roof, foundation), you're provided with an opportunity to fix problems that may already exist.

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Rosie the Riveter Does Prefab

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I spent a few days last week at the University of Massachusetts–Amherst, attending the 2008 Wood Structures Symposium. Like many smaller conferences, it was pretty invigorating, with conversations from sessions spilling into the hallway coffee breaks. The theme this year was prefabricated architecture, a particular interest of mine, and there were lots of new ideas floating around. One of the overriding ideas of the symposium was the notion of mass customization.
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Bringing Combined Heat and Power to Brattleboro

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Plant engineer Henrik Mattsson showing off the chip sorting facility at the Brattleboro CHP plant.

Last week, I addressed some of the benefits of capturing waste heat from power plants and distributing it to buildings--a technology referred to as combined heat and power or CHP. This week we'll look at how this idea could be implemented in Brattleboro--using sustainably produced wood chips as the fuel source.

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