Our goal - from the first day our business has been providing professional residential and light commercial air conditioning and heating service and installation at affordable prices. Our goal is to provide all customers in and around the Gwinnett County area professional service, honesty, and the highest of moral standards. As a result, we are quickly growing into one of the leading heating and air condition service companies in Gwinnett County. CIS Air conditioning and Heating repair, installation and sales is a family-owned and operated business.Our technicians are highly trained with on going continuining education classes. We specialize in air conditioning, gas and electric heat specialized for each home owners individual needs. We also offer Air conditioning and Heating Preventat