A/C in the Southeast, Part 2: The Best Way to Cool Homes in Humid Climates?

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A/C in the Southeast, Part 2: The Best Way to Cool Homes in Humid Climates?

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Saving Energy with Reflective Roofs

November 01, 1998

In 11 Florida homes with roofs coated with a white material during midsummer, average air conditioning energy use decreased by 8 kWh/day, or 19%. [continue reading]

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Efficient Cooling: Making It Happen

March 01, 1998

As part of its efforts to promote energy-efficient residential HVAC systems, the Sacramento Municipal Utility District (SMUD) looked into air conditioner sizing. [continue reading]

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Homeowners: Who Will Demand Rightsizing?

March 01, 1998

Along with conducting detailed load calculations of 40 Sacramento homes, we asked homeowners to complete a brief survey. [continue reading]

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Home, Home on the Range Hood

Author: Dave Brook
November 01, 1997

Exhausting heat and moisture in the summer can keep a house cooler and reduce air conditioning costs. And running a fan whenever someone is cooking will eliminate most water vapor, grease, and combustion products from the kitchen. [continue reading]

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Thermostats That Feel the Heat

Author: Tom Wilson
November 01, 1997

Most American thermostats measure only air temperature. But there are numerous other elements that affect thermal comfort, and some of these can be used to turn HVAC equipment on and off. [continue reading]

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When Wall Insulation Doesn't Save

Author: Doug Johnson
May 01, 1997

Wall insulation clearly saves heating energy, but does it save cooling energy as well? [continue reading]

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Conditioned Attics Save Energy in Hot Climates

Author: Ted Rieger
May 01, 1997

Do homes with vented attics use less cooling energy than homes with unvented, conditioned attics in hot climates? With little formal research available to answer the question, common wisdom and most building codes have favored venting. [continue reading]

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Two-Stage Evaporative Cooling

May 01, 1997

Depending on the design, an evaporative cooler can use as little as 10% of the energy consumed by refrigeration air conditioning systems. [continue reading]

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Is Energy Efficiency an American Value?

Jim Gunshinan

Is Energy Efficiency an American Value?

Energy efficiency is good for the economy, good for families, good for workers, and good for the environment.

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