July 22, 2011 12:00 AM

Dangerous heat remains in forecast; Kentuckians find ways to cope

It's so hot, air conditioners are melting. Or, more accurately, they are being overtaxed by the heat and humidity that has engulfed much of the nation and caused the National Weather Service in Louisville to issue an excessive heat warning for Kentucky. The warning is in effect until Saturday. "With 95-degree air and with 70 and 80 percent humidity, that is way outside the design criteria" for older air conditioners, said Bret Melrose, president and owner of Fayette Heating and Air in Lexington.

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