Henry Gifford

Henry Gifford is head of mechanical system design at Chris Benedict R.A., a New York City architecture firm that designs energy efficient buildings.

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Copper and Cast Iron

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May 06, 2007

Q I live in a 1920s Wardman row house in Washington, D.C. The house has a cast-iron radiator heating system. I hired a local contractor to do some bathroom renovations. It was necessary to ... [continue reading]

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Elevator Energy Use

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January 08, 2010

Did you know that you use more energy going down an elevator than going up it? [continue reading]

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Downsizing Steam Systems

archive CONTENT
November 01, 1993

Most steam heating systems in use today are oversized, and downsizing those systems can deliver attractive savings. [continue reading]

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