Home performance and weatherization

Interior Roof Insulation Retrofit for (Cathedral Ceiling) Rigid Foam.

Air seal at duct boot

Insulation Retrofit at Electric Water Heater

Insulation retrofit at gas water heater

Wall section retrofit // interior perimeter drain // radon vent // 1" rigid interior insulation

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Comfort and Drafts

Keeping comfortable and saving energy in your home isn't only about insulation

Posted on Dec 16 2010 by Alex Wilson

Insulation is really important when it comes to saving energy in our homes. With more insulation in our walls, roofs, and foundation, less heat escapes via conduction to the outdoors. Insulate well!


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Image Credits:

  1. The Energy Conservatory
  2. Jerelyn Wilson

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Tax Credits for Solar Energy Systems

Take advantage of these tax credits now, because they're unlikely to last.

Posted on Feb 10 2010 by Alex Wilson

I’ve been addressing tax credits for home energy improvements the past few weeks. This week, we’ll look at what’s available for solar energy systems.


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Image Credits:

  1. groSolar

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Innovative Financing for Energy Improvements

Posted on Jan 19 2010 by Alex Wilson

One of the greatest challenges to energy improvements is the financing needed to make those improvements. Conventional home improvement and business loans have such short terms (usually less than ten years) that the interest costs are often greater than the energy savings—making such loans hard to afford for most families and businesses. Also, it’s hard to justify putting money into a house if you’re not sure how long you’ll be there.


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Image Credits:

  1. Valerie Walsh

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Attic Insulation Upgrades

Historic homes require compromises

Posted on Nov 2 2009 by Michael Maines

Two projects my company is currently working on involve a common problem: not enough insulation in the attic. Both homes are old; one dates from 1860, the other from 1705. In both cases we initially recommended insulating the rafter bays. In both cases, however, we were not able to get over homeowner biases against heating “storage spaces,” and instead opted for insulating the attic floor.


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Image Credits:

  1. Harborside Design

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Don’t Let This Happen to You

Omitting the sill pan under an exterior door is risky

Posted on Apr 12 2009 by Michael Maines

Door design details
The photo at right is from an entry that's just 15 years old. Fortunately, it was able to be repaired. I haven’t always been so lucky. Let’s just say that replacing subfloor and framing is no fun. A safe assumption is that, for one reason or another, doors always leak. They shouldn’t, but they do. Seals wear out. Wind blows. Jambs rot. Sills crack. Weepholes clog. Following are some ways to mitigate the chance of damage.


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    Image Credits:

    1. Mike Maines

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