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Had a Goodman 14 Seer 4 ton A/C unit installed.Awesome power, cools great, but the darn thing runs an hour or more to reach the set temperature (minus 1). Here in South Texas, the usual temp. is 100, and I have the thermostat set at 77, when it hits 78 it kick starts and reach 77 in about 10 minutes, but it'll keep running till it reaches 76. In the afternoon, it'll take an hour or more to reach that 76 and shut down for about 25 minutes. Is there something wrong with the setting. Running for an hour, is that normal with a Goodman?