A functioning air conditioning system in San Antonio isn’t just a luxury. For many people, it’s a necessity. Elmer’s One Hour Heating and Air Conditioning understands the emergency nature of AC repairs and air conditioning installations. Our installation department offers same-day service in many cases around San Antonio and the Hill Country area. In addition, we offer all makes of brand new A/C units to ensure homeowners have the maximum choice when making the investment of a new air conditioning system.