179 Henry Street

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179 Henry Street

A Case Study in Converting from Two-Pipe Steam to Hydronic Heating

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The Electric Side of Gas Furnaces

Author: Scott Pigg
free CONTENT
November 01, 2003

The motors that drive the fans in air handlers use more power than you might think. [continue reading]

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Flow Control Gains in Accuracy

free CONTENT
March 01, 2002

A new flow meter is easier to use than a Duct Blaster, and more accurate than the temperature rise method. [continue reading]

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Weatherization Test Drives Spray Sealant

free CONTENT
November 01, 2001

New aerosol spray technology can allow weatherization crews to seal even tiny duct leaks in places that are difficult to reach using conventional methods. [continue reading]

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Those Wild Ducts in Your Walls

free CONTENT
June 16, 2001

More than three-fifths of the households in the U.S. heat or cool their homes with ducted forced air systems, so chances are good that air ducts are lurking within your walls, floors, or ceilings. [continue reading]

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The Energy Penalty of Poor Duct Design

Author: Bill Hylton
free CONTENT
March 01, 2001

A home with a poor duct system can't be energy efficient no matter how tight or well-insulated it is. [continue reading]

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Building a Boiler Side-Arm

Author: Michael Lamb
archive CONTENT
November 01, 1999

A boiler is generally more fuel efficient than a standard gas water heater, especially when the boiler is fully loaded. [continue reading]

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Fuel Use in Multifamily Buildings

archive CONTENT
November 01, 1999

Multifamily buildings with more than five units make up about 17% of all U.S. housing, yet scant information exists on the fuel use of these building in specific locations (see "Multifamily Statistics"). [continue reading]

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Ground Source Heat Pumps Dig In

archive CONTENT
September 01, 1999

Ground source heat pumps (sometimes called geothermal heat pumps, Geo-Exchange Systems, or GHPs) most often exchange heat with the ground by means of a ground heat exchanger. [continue reading]

5 Ways to Improve Homeowners' Energy Efficiency Outdoors

Josh Weiss-Roessler

5 Ways to Improve Homeowners' Energy Efficiency Outdoors

When most people think about ways to save energy in their home, their minds first go to insulation. It makes ...

Lisa Rinkus

"Cool Smart" Program Celebrates 10th Anniversary

A dozen Northeast companies received COOL SMART awards during the New England Air Conditioning Contractors of America (ACCA) golf tournament ...

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