Welcome to Willis One Hour Heating & Air Conditioning, your source for prompt, courteous, reliable heating and air service. Offering heating and air conditioning maintenance, installation, repairs, and everything in between, our goal is to address your HVAC needs in a timely, efficient, and cost-effective fashion. Always on Time, or You Don't Pay A Dime Willis Heating & Air Conditioning has serviced Cincinnati and the surrounding area and now as Willis One Hour we are offering you the opportunity to schedule our exclusive Express Repair Appointments. You'll notice that we have added "Always on Time Or You Don't Pay a Dime." What does this mean to you? It means if we are late for your Express Repair Appointment, you dont pay a dime! Give us a call for details