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The phaseout for R-22 is picking up speed and DuPont™ ISCEON® MO79 and DuPont ISCEON MO59 refrigerants are top replacements for R-22. They’re non-ozone depleting, easy-to-use, and cost-effective retrofit options for today’s air conditioning and refrigeration systems. Contact DuPont today to find out how easy making the switch can be.
DuPont Refrigerants, Chestnut Run Plaza 705-GS29, P.O. Box 80705, Wilmington, DE 19880-0705; 800-235-7882; refrigerants.dupont.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, 
