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Armstrong Air oil furnaces deliver a high level of home comfort. The Enhanced Series is equipped with top-of-the-line features, including variable speed blower motors, Beckett & Reillo burners, ceramic combustion chambers, self-diagnostics, and solid-state ignition. The series is available in a variety of easy-to-install configurations and have AFUE ratings up to 84 percent. Lifetime limited warranties on the heat exchanger and five-year limited warranties on parts available.
Armstrong Air, 215 Metropolitan Dr., West Columbia, SC 29170; 800-448-5872; www.armstrongair.com
This overview of the benefits of zoning includes tips for selling to consumers and businesses. Tom Jackson discusses options for new construction and retrofit, as well as some ways a residential contractor can get into the light commercial business with zoning products. Speaker: Tom Jackson, CEO, Jackson Systems
With access to over one million professionals and more than 60 industry-specific publications, 
