Welcome to the Pro Cool heating and air website. We are a fully licensed and insured HVAC company located in Marietta, GA. We specialize in residential heating and air repair, service and installation for Cobb County, GA. Our service call rate is only $29 and it’s FREE with any repair. Pro Cool heating and air is rated A by the Better Business Bureau. For a limited time we are offering several repair coupons ranging from $25 to $100 off. Call today and receive same day professional service. Click the free consultation button below to see our FREE service and estimate offers