Contact us now to learn how a reliable new air system or duct cleaning can make your home more efficient, comfortable and deliver cleaner air for your family. Give us a call today for a free estimate. Emergency and after-hour services are available as well. All service calls are owner supervised by Harvey Culvahouse.. Air Conditioning Service & Repair, Air Conditioning Equipment, Heating Service & Repair, Duct Cleaning, Heating Equipment, Commercial Refrigeration Service, Maintenance Agreements, Licensed Technicians, Annual System Maintenance, New System Estimates, Emergency Service