Builder-Installed Electrical Loads

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Builder-Installed Electrical Loads

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Builder-Installed Electrical Loads

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September 14, 2018

Parts of the House That Stay On [continue reading]

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Heat Pump Water Heaters: Bring Them Upstairs?

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September 14, 2018

Heat pump water heaters are seeing increasing use in homes. They go well with solar PV and so support strategic electrification to reduce carbon emissions. And they are more efficient than electric-resistance water heaters. Several ... [continue reading]

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Choices in PEX Manifold Systems

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June 14, 2018

There are a number of ways to combine PEX tubing with manifolds to get better-than-normal hot-water delivery in a home. In the old days, manifolds were sometimes used with soft copper tubing, but as copper ... [continue reading]

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Measured Performance of Ducted and Space-Coupled Heat Pump Water Heaters in a Cooling-Dominated Climate

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February 13, 2017

The Building America Partnership for Improved Residential Construction, led by the Florida Solar Energy Center, investigated the effect of ducted and interior-located heat pump water heaters (HPWHs) on space-conditioning energy use and water-heating energy use ... [continue reading]

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Water Heating in All-Electric Homes

Author: Robb Aldrich
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April 30, 2016

When I started working in the home energy field (in the mid-1990s), I never imagined I’d be suggesting that all-electric homes could be among the most efficient, sustainable, and practical choices in ... [continue reading]

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A Passion for High-Performance Plumbing Systems

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February 29, 2016

Turn on the faucet, then wait, wait, wait for the water to get hot. Many owners of older homes are familiar with this scenario. Fortunately for buyers of new homes, home builders now have a ... [continue reading]

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The Elusive Search for an Energy-Efficient Water Heater

Author: Mark Wilson
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February 01, 2016

My Sunday kayak adventure with my wife and friends on Lake Tahoe was magic. Paddling that beautiful lake relaxed me to the point where, by the time I reached home, I was ready for a ... [continue reading]

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Overcoming Codes and Standards Barriers to Innovations in Building Energy Efficiency

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February 15, 2015

Building codes have really motivated builders to increase the energy efficiency of new homes in recent years. But as quickly as the codes are changing, new products are coming to the market even faster. Sometimes ... [continue reading]

Top US Cities Considered the Most Energy Efficient

Sandra Wood

Top US Cities Considered the Most Energy Efficient

Many people recognize the need for increased efforts to reduce energy consumption and make communities cleaner. As cities strive to ...

Speaking the Same Language: The Importance of Open Standards in Energy Efficiency

Dave Yeager

Speaking the Same Language: The Importance of Open Standards in Energy Efficiency

Open standards provide the backbone for many markets and industries. The Internet itself could not exist without the collaborative, agreed-upon ...

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