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Air Inc. Heating & Air Conditioning About Us About Us Dependable HVAC Technicians Serving New Haven County, Middlesex County, New London County & Beyond Air Inc. Heating & Air Conditioning is proud to be your trusted partner for heating , air conditioning , and indoor air quality in Connecticut. Whether it’s routine maintenance, emergency repairs, or a new installation, our NATE®-certified technicians are here to help with reliable HVAC services when you need them most.