15% OFF Any Service Repairs For Senior Citizens, Teachers, Active or Retired Military. (Senior Citizen 65 or older. Must show ID. Not valid with any other offer. Does not include installations. Up to $200.) One Hour Heating & Air Conditioning® of Charlotte Senior Citizen 65 or older. Must show ID. Must mention offer at time of purchase. Not valid with any other offer. Does not include installations. Up to $200.