HI-COOL A/C System Additive from Highgate Car Air uses state-of-the-art lubricant technology to increase the operating efficiency of your car’s air conditioner. That means up to 15% faster cooling down when you start the car on a hot day, and up to 15% cooler vent temperatures while you drive.
A more efficient A/C needs less energy to achieve your chosen temperature level, so you can enjoy the comfort of a cooler, less humid car with a clear conscience.



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