Recent Articles
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Foam Glass Plant to Open in Vermont
Process turns recycled glass into drainage and insulation base for construction
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Balanced Whole-House Ventilation
Energy- and heat-recovery ventilators (ERVs and HRVs) keep indoor air quality high without a big energy penalty
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The Benefits and Risks of Exterior Insulation
Determining whether or not it makes sense to add exterior insulated sheathing
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Study Finds OSB Sheathing Not a Reliable Air Barrier
The findings have broad implications for builders trying to meet stringent building-performance standards
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Old Windows: Restore or Replace?
The owner of a 1901 Victorian asks which approach is best when the house is undergoing a major energy upgrade
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Canadian Group Proposes a New Metric for Buildings
"Carbon Use Intensity" would more accurately reflect the carbon impact of buildings, its advocates say
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Insulating and Venting a Shed Roof
The original plan calls for a layer of rigid foam insulation in the roof assembly. Will that help?
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Code Council Pushing Merits of Newest Energy Code
A new campaign is aimed at getting one-third of Americans covered by the 2021 version in the next two years
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How to Choose Backup Heat for a Ductless Minisplit System
In a well-insulated house with low heating loads, what makes the most sense?
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Startup Promises Window-Mounted Heat Pump by 2022
San Francisco-based Gradient has not disclosed the price but says the unit will help cut carbon emissions
