The a/c works well for about an hour then blows warm air
I shut the motor off for about an hour, restart & the a/c works well for another hour & then blows warm.
Get the freon checked. Sometimes it's a simple as a thermostat. A good AC shop service is a good place to start to check for leaks, check the compressor, evacuate the whole system (vacuum) & add compressor oil.
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