Energy Star

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Decoding Efficiency Units for Heat Pumps

Connor Dillon sorts out the differences between SEER, SEER2, HSPF, and COP, all of... More

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Selecting High-Performance Doors and Windows

Phil Armand describes the selection process he leans on to address this critical... More

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A Practical Solar Home for a Cold Climate

A student team from the University of Colorado won the 2020 Solar Decathlon Build... More

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Tracing Air Leaks With a Blower Door

A pair of home-performance experts show how to use a fog machine to do a... More

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Tracing Air Leaks Using Theatrical Fog

Watch home-performance consultants Jim Bradley and Chris West perform a... More

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Three Tips for Choosing Vinyl Replacement Windows

A little research goes a long way in identifying the best energy-efficient windows... More

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Noritz Introduces CB Series Boilers for Plumbing and Hydronic Heating

The high-efficiency units can serve a variety of water and space heating needs More

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Builder's Guide to Windows

There are more than 100 million homes and approximately 20 billion square feet of... More

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Attic Insulation for Hot Climates?

It makes as much sense keeping the summer heat out as keeping the winter heat in. More

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