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What do you get when you cross a deep energy retrofit with an 1880s Victorian-style home?
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Refining Straw Bale R-values
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A new test of the thermal performance of a wall built with 19-inch straw bales laid flat revealed that the wall had an R-value of 27.5. [continue reading]
Prefab Utility Walls Save Up-Front Costs
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A new product called the Residential Utility Core Wall (ResCore) can save from $500 to more than $2,000 in construction costs for site-built homes. [continue reading]
Insulation Systems: Same Tightness
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The National Association of Home Builders Research Center recently compared various wall insulation products, and found that with good air sealing, different insulation systems do not necessarily change a home's airtightness. [continue reading]
Foam Forms Bring Concrete Results
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Sales of insulating concrete forms (ICFs) are growing over 50% per year, and last year an estimated 4,000 houses were built with ICFs. [continue reading]
ICFs and HERS: Guaranteed Performance, Easy Financing
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For the last 10 years, Reward Wall Systems, a manufacturer of insulating concrete forms (ICFs) in Omaha, Nebraska, has offered an energy guarantee: their ICFs save homeowners 70% on heating and cooling compared to the 1992 Model Energy Code (MEC), or Reward pays 110% of the difference in energy costs. [continue reading]
New Wall System Keeps the Lead Out and the Heat In
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The presence of lead-based paint in older multifamily housing is a major public health concern. Dealing with these lead hazards offers opportunities for improving not only the health of the occupants but also the energy performance of the units. [continue reading]
When Wall Insulation Doesn't Save
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Wall insulation clearly saves heating energy, but does it save cooling energy as well? [continue reading]
Wall R-Values that Tell It Like It Is
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Several new wall systems are gaining popularity, due to increasing interest in energy efficiency, alternatives to dimensional wood framing, and building sustainable structures. [continue reading]
Macie Melendez
Adventures in Blower Door Testing
When Steve Mann (of Home Energy Services) asks you to come along for the first blower door testing in a ...
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