Energy Efficiency
Energy efficiency involves a set of strategies that can be used to reduce the consumption of energy—especially fossil-fuel energy—in buildings. These strategies include:
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monitoring energy use
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improving building commissioning
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applying insights from building science
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selecting innovative HVAC and building envelope technology
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using natural ventilation and daylighting to provide low-cost alternatives to standard systems
Energy Efficiency
Deep Dives
Get up to speed on complex topics. You can also earn CEUs and download PDF Spotlight Reports.
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Quick Takes
Jump straight to the essentials with these short explanations of green building concepts.
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Product Guidance
Unbiased information from our product experts helps you separate green from greenwash.
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In The News
We break news down to the essentials and provide expert analysis.
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White Roofs in Cold Climates a Mistake, Says LCA Study
News Brief
While roofs with solar panels are a plus, researchers suggest white roofs in Canada do more harm than good because of steep heating penalties.
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Polyiso Manufacturers Turn Blind Eye to Problems at Cold Temperatures
News Analysis
R-values that fluctuate with temperature can be a serious problem with polyiso in some climates. New design guidance could help.
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First Existing Multifamily Buildings Earn Energy Star Certification
News Analysis
Tenants are saving more than $500 a year in one of the first existing apartment buildings to be certified.
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A New, Cost-Effective Take on Vacuum Insulation
News Brief
“Modified atmosphere insulation” technology may be able to rival the performance of vacuum insulation panels at a more affordable price.
Perspective
Thought-provoking opinions from the most trusted minds in sustainability.
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Learning Resources
Syllabus supplements and CEU content, with automatic reporting for AIA and GBCI.
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Just For Fun
Something weird happens every April at BuildingGreen...
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