Across the board I have been hearing and seeing first hand the need for replacement AAON condenser coils and the current high cost of these replacement coils. There is a solution - I have traveled the country measuring AAON units and most other manufacturers duplicating direct replacement condenser coils for proven performance! These coils can be customized to each individual project location whether its tube wall thickness, fin thickness, or coating w have you covered @ Nationwide Coils, Inc.. Do not hesitate to call with questions - Just ask for Stephen