AccessMyLibrary provides FREE access to over 30 million articles from top publications available through your library.
Create a link to this page
Copy and paste this link tag into your Web page or blog:
A room air cleaner can help you act locally against airborne dust and smoke when lack of a central air-conditioning or forced-air heating system makes a more global solution impossible. The best can trap the fine particles most irritating to people with allergies and asthma. New tested models use 35 percent less electricity than comparable ones did just two years ago--an annual energy saving of as much as $40.
But as we found, the biggest savings usually come up front. The top performers in this report treat roughly 500 square feet of space. Yet, at about $200 to $250, many cost little more than lower-rated models designed to treat areas roughly half the size. And ...