If You Were Plumbing, How Much Beer Would You Hold?

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If You Were Plumbing, How Much Beer Would You Hold?

You open the hot-water tap. Then you wait for the hot water to flow. How long? (Too long, according to most people, I say.) The time depends on flow rate, the amount of water in ...

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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]

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Hot Water: Why Plumbing Technologies and System Designs Matter

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January 31, 2015

The average home in the United States makes at least 2,000 annual demands for hot water. And that’s very conservative. A more-likely demand value exceeds 4,000. Couple those demands with an average wait time for ... [continue reading]

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Alaska's Largest Solar-Thermal System - a Model for Multiresidential Use

Author: Todd Hoener
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April 30, 2014

The Denali Education Center campus in Alaska gives a solar water-heating system a try. Here are some lessons learned. [continue reading]

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Case Study: SHARC Sewage Heat Recovery System

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April 30, 2014

SHARC stands for sewer heat recovery, and the system has been proven effective in the apartments and common areas for residents of the Seven35 Building in North Vancouver, British Columbia. [continue reading]

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Waterbed Energy Use

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December 30, 2013

The Economics of Making Your Bed [continue reading]

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What's New in Water Heating?

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September 02, 2012

State-of-the-art heat pump water heaters join the scene. [continue reading]

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Resolving the Circulation Dilemma in Multifamily Buildings

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August 29, 2012

Demand-controlled pumping for hot water distribution holds high value in multifamily buildings. [continue reading]

Vermont is Helping its Homeowners Reduce Energy Waste and Save on Energy Bills

Kayla Dewitt

Vermont is Helping its Homeowners Reduce Energy Waste and Save on Energy Bills

(This "EERE Success Story" is one of a series of posts from DOE's Energy Efficiency and Renewable Energy office. See ...

Data Driven Market Transformation: Or How to Score Cheap Concert Tickets

Milton Matter

Data Driven Market Transformation: Or How to Score Cheap Concert Tickets

When my fifteen-year-old son returned with a concert ticket in one hand and cash in the other, that’s ...

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