While having a large air compressor tank (storage) is practical for many heavy use applications. It is not the most important factor in determining which compressor / tank combination your company requires. As the article below states, your maximum CFM (cubic feet per minute) requirement will determine what your best tank / compressor combination will meet your needs. Another factor to take in consideration is the tool usage (continuous or intermittent). The Ingersoll Rand article below explains the options in a clear concise matter. If you need any questions answered, please give us a call at the number above and ask to speak to one of our Sales Engineers.