Home Performance & Weatherization
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RMI’s Green Upgrade Calculator
Building pros now have a tool for measuring the carbon costs and savings of various home energy upgrades—from insulation to induction to transportation
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Low-Slope Roof and Ice Dams
Can eave-to-ridge roof venting, vigilant air-sealing, and robust thermal control prevent ice dams in high-snow country?
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Helical Piles with Vented Crawlspace
In solving some problems, helical piles create others—where to house mechanicals and run ducts among them
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Choosing and Using High-Performance Windows
Windows are a major source of air leakage, so be armed with the right information when selecting a window package. Begin by knowing the features that impact energy and comfort most.
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Energy Upgrades in an Old House
Sealing the source of a major air leak, correctly insulating kneewalls, and insulating water pipes go a long way toward improving comfort and energy efficiency in a hot-humid climate
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Resurrecting Linseed Oil Paint
This centuries-old paint is regaining popularity after being all but extinct. Zero VOCs, vapor permeability, maintainability, and longevity are among its attributes.
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Building Code Meets Building Science
Five ways residential building codes have begun to align with building science–directed best practices
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Windows Before WRB?
Yes, if the flashing details are done right, you can safely install windows before the housewrap
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Choosing the Right Range Hood Makeup Air System
First know the basics, then consider all the factors that go into a good makeup air system. Then install a modest-size range hood with the right capacity.
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Maine’s Stretch Energy Code
Three municipalities adopt the state's first strectch code but enforcement of even the base code is lagging