Resolving the Circulation Dilemma in Multifamily Buildings

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Resolving the Circulation Dilemma in Multifamily Buildings

Demand-controlled pumping for hot water distribution holds high value in multifamily buildings.

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Pulling Utilities Together: Water-Energy Partnerships

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July 01, 1993

Install high-efficiency showerheads and faucets in the average U.S. house, and the water meter will report about 6,000 gallons of water saved in one year. Not bad. But the savings continue. If the house has an electric water heater, the electric meter will show about 600 kilowatt-hours savings; if it's a gas heater, the savings will be 30 therms. [continue reading]

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SMUD'S Solar Water Heating Program

Author: Cliff Murley
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May 01, 1993

The Sacramento Municipal Utility District (SMUD) serves roughly 60,000 residential customers with electric water heaters, each consuming up to 5,500 kWh annually. [continue reading]

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A Cheaper Solar Water Heater

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May 01, 1993

With an average initial price tag of $2,500, solar water heaters--which are usually designed for households of four or more--have long been expensive. [continue reading]

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Controlling Recirculation Loop Heat Losses

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January 01, 1993

Domestic hot water heating accounts for 15-27% of the total energy use in a typical Minneapolis apartment building, not counting energy used for lighting and electric appliances. [continue reading]

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Ready, Get Set, Heat Water!

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January 01, 1993

According to E Source in Boulder, Colo., optimal setpoint for residential water heaters is 111deg.F. [continue reading]

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Once Heated, Twice Used

Author: David Bohac
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July 01, 1992

Dual-integrated appliances-water heaters used to provide both domestic hot water and space heating-have seen increased use in recent years, primarily in the warmer climates of the mid-Atlantic states. [continue reading]

To Zero and Beyond!

Ann Edminster

To Zero and Beyond!

The Net-Zero Energy Coalition convened the second Net-Zero North American Leadership Summit from March 3–5 as part of NESEA’...

The Evolution of Home Energy Management

Charlie Hewitt

The Evolution of Home Energy Management

In the hierarchy of dreaded activities, reviewing the monthly electricity bill ranks alongside stepping on the bathroom scale. As with ...

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