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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Feds Forecast Steady Drop in Building Energy Use
News Analysis
Efficiency could lead to almost-flat energy demand through 2040 despite new construction-but there's some fine print.
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Tankless Water Heaters Don't Use Less Energy
News Analysis
Energy savings from on-demand water heating varies wildly depending on usage patterns.
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Heat-Pump Clothes Dryers Really Work, Study Confirms
News Analysis
The technology, prevalent in Europe, could be adapted for super-sized American laundry loads.
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Overhaul of ASHRAE 90.1 Brings New Requirements
News Brief
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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