Innovative solutions for creating healthy, efficient, eco-friendly homes

May 2003

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A guide to the language of cellular technology

CDMA (Code Division Multiple Access) - The most common digital technology in which information is digitized, assigned a unique code and spread over the entire bandwidth available to the phone. The receiver uses the same code to reassemble the signal. CDMA allows as many as 10 separate calls to occupy the same amount of space as an analog call. TDMA (Time Division Multiple Access) - The first digital cellular technology to hit the market.

Smart Energy Savings

Caulking and weather-stripping begins at construction and continues throughout the life of the home. Done properly, it can be extremely effective and economical.More than 30 years have passed since the Middle East oil embargo made Americans aware of energy prices. But for many people, the lessons haven't hit home.

Ruling Out Radon

The PVC pipe in the garage is installed at a prescribed pitch along the ceiling. Once it is run up into the storage space above the garage, a 1.5-amp fan is installed and plugged into a standard electrical outlet.

When Good Pipes Go Bad

Paint By The Numbers

A lot of today's exterior siding, trim and accent materials promise ease of maintenance - and many tell you that you'll never have to paint them. And even if a new paint job isn't necessary, maybe you'll want to shake up the look a little bit. But can you use the same brand and kind of paint on your fiber-cement siding that you used on your cellular PVC trim? And what kind of paint works best on factory-finished aluminum window frames? Now more than ever, home exteriors are made up of combinations of various different substrates.

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