The Unexpected Energy Benefits of Mechanically Vented Crawl Spaces

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The Unexpected Energy Benefits of Mechanically Vented Crawl Spaces

The debate on how best to treat crawl spaces has gone on for decades, and the building codes regulating crawl space design have constantly evolved. For a long time the entrenched thinking was to rely ...

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New ASHRAE Ventilation Standard

Author: Mary James
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May 01, 1999

Ventilation in the housing stock accounts for one-third to one-half of the space conditioning load, primarily through uncontrolled air leakage. [continue reading]


Ventilation/Cooling Method Needs User Input

archive CONTENT
May 01, 1999

Many U.S. homebuilders and buyers view compressor cooling as a necessity, even in mild climates. But the widespread use of compressor cooling causes several problems, especially in warmer regions like the West Coast. [continue reading]


Oversized Kitchen Fans--An Exhausting Problem

archive CONTENT
January 01, 1999

The Bigger is Better mentality strikes deep into the heart of the American home. Sure, American consumers will live with low flush toilets; they'll put up with low-wattage lights; but when it comes to the kitchen, they want the culinary equivalent of the sports utility vehicle. [continue reading]


Moisture Control In Bathrooms

archive CONTENT
March 01, 1998

Mold, mildew, failing grout, dislodged tiles, water stains, wet insulation, rotting walls--moisture in bathroom walls causes serious problems. [continue reading]


How Tight Are America's Houses?

Author: Nance Matson
archive CONTENT
January 01, 1998

Researchers at Lawrence Berkeley National Laboratory (LBNL) recently collected blower door data from across the country to analyze the airtightness of the U.S. housing stock. [continue reading]


Home, Home on the Range Hood

Author: Dave Brook
archive CONTENT
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]


Ventilation Facts and Fallacies in Manufactured Homes

archive CONTENT
July 01, 1997

Window inlet vents are an alternate way to provide fresh air using an exhaust fan. When the fan is on, it slightly depressurizes the house, causing makeup air to enter through the window vents with minimal heat loss. [continue reading]


Experts Ponder Multifamily Ventilation Solutions

Author: Rick Diamond
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March 01, 1997

How do you use diagnostic equipment (such as blower doors, and pressure sensors) to measure air flows in high-rise apartment buildings? [continue reading]


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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