Cold-Climate Air Source Heat Pumps

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Cold-Climate Air Source Heat Pumps

 High-efficiency technologies like air source heat pumps (ASHPs) have significant potential to improve space-heating efficiency and reduce energy costs for houses in cold climates. ASHP technology has been available for many years, but until ...

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When Retrofitting A/C, Do the Ducts Too?

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October 31, 2014

Three contractors weigh in on the often complicated decision homeowners have to make when repairing, reconfiguring, or replacing their ducts. [continue reading]

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Retrospective - Black Stains in Houses: Soot, Dust, or Ghosts

Author: Frank Vigil
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May 01, 2014

An experienced ghost hunter explains the possible sources of and solutions to black soot under doors, on walls, and in other places in homes. [continue reading]

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Effective Strategies for Dealing with Ducts in Unconditioned Spaces

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May 01, 2014

Three methods to reduce thermal losses associated with ductwork in unconditioned spaces are discussed. [continue reading]

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The Formaldehyde Threat

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March 01, 2014

Keeping healthy indoor air quality was as important in 1984 as it is today. Unfortunately, formaldehyde is still a threat to homeowners. [continue reading]

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Variable Capacity Versus Fixed Capacity

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March 01, 2014

An Experiment in the Impact of Duct Location [continue reading]

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Jim Gunshinan for Leo Ranier, LBNL

More "Buzz" from ACEEE Summer Study—The Invisible Energy Mortgages in New Homes

You probably never considered the power consumption of those Ground-Fault Circuit Interrupter outlets (fondly known as GFCIs) in bathrooms, kitchens, ...

Two National Brands Join Forces Demonstrating Unity in Home Energy-Efficiency Rating Systems

Lindsay Bachman

Two National Brands Join Forces Demonstrating Unity in Home Energy-Efficiency Rating Systems

The Residential Energy Services Network (RESNET) and Pearl Certification are now collaborating to ensure that the Home Energy Rating System (...

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