Thank you for choosing the experts in HVAC service and HVAC repair, Hays Heating & Air. Our contractors are here for your local air conditioning and heating needs! Our contractors are the premier choice for professional and affordable HVAC repair and maintenance in the Kilgore, Longview, Hallsville, Gladewater, White Oak, Overton, Diana, Tatum areas. In the HVAC business since 2002, our highly trained contractors strive to address your maintenance and repair needs without exceeding your budget.