An informational CD on the Comfort Alert Diagnosticsâ„¢, a technology for troubleshooting residential heat pumps and air conditioning systems, is now available. This CD is designed to give contractors a better understanding of how the technology improves accuracy and speed of service. It illustrates how Comfort Alert can monitor and analyze data on system performance, guide technicians quickly and accurately to the root cause of a problem, and improve diagnostic accuracy by 60 percent, the manufacturer says. The CD is free and available while supplies last.

Emerson Climate Technologies, 8000 W. Florissant Ave., P.O. Box 4100, St. Louis, MO 63136-8506; 888-923-2323;

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