Certified Air Conditioning, Inc. offers many different air conditioning and heating related services such as air conditioning and heating repair and installation, chillers, cooling towers, dehumidification units, 100% outside air units, compressed air and process piping, walk-in coolers, freezers and refrigerant systems. Certified Air Conditioning, Inc. also offers the option to fill out an online service order. There are also preventative maintenance contracts available for those who are interested.