O’Connor Company offers an extensive inventory of commercial HVAC repair and replacement parts. Our warehouses are fully stocked and strategically located in Sioux Falls, SD and Rapid City, SD to provide you with the part(s) you need, when you need them.

Our warehouses stock an extensive variety of belts, filters, gaskets, actuators, grills, motors, compressors, dampers, coils and more. View a full list of manufacturers and products available.

Custom filter sizes may be needed in particular systems. O’Connor Company makes custom sized filters to save you time and money. 

Whether you know the part your system needs or you need a specialist to survey your equipment, contact our Aftermarket Parts Department to ensure you get the parts your system needs.

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