Recent Articles
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Can Uninsulated Ducts Damage Your Siding?
Conducting cold air through bare metal ducts in an exterior wall causes condensation problems in a hot-humid climate
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Retrofitting a Hot Water System
Instructions for adding a new water-distribution manifold and smaller pipes to decrease the time it takes for hot water to reach faucets
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Energy-Efficient Building Enclosures and Improperly Detailed Ducts
Code requirements for blower-door tests in new construction have led to better building envelopes but ductwork is still overlooked
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Poor Installation of Fiberglass Batts
The effectiveness of fiberglass batt insulation depends most on the quality of the installation, not the product
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Is a Heat Pump More Efficient Than a Furnace?
The net efficiency of a heat pump might be no better than a gas furnace but that doesn't mean they aren't a good option
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Climate Action: Living the 1.5 Degree Lifestyle
A review of Lloyd Alter's book—a deeply researched look at what it takes to live an ultra-low-carbon lifestyle
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应该在哪里Air Barrier Be Located?
There are three options for where to put an air barrier, but one is best—in most cases
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Three Ways to Insulate Roofs
There are many ways to insulate attics and roofs, but these are the safest methods
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Why Does Hot Water Take So Long?
The reason is the volume of water in the pipe and the solution is to decrease pipe size and length
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The Benefits of a Heat-Pump Water Heater
A case study demonstrating the worth of all-electric water heaters