PA personnel can provide a harmonic calculation early in the design or at any point during the construction process to help distinguish which product might be best for the project. In addition, APA can provide cut sheets of all possible product to ensure the customer is not only getting the correct product, but also that it will fit in the constraints of the space in the building that it will eventually be located. Why is this important? For consultants ensuring that a custom drive may not be needed can help bring first costs down and also assist with laying out product in tight mechanical rooms. For contractors and owners, it can help with the value engineering process so that the owner is confident that they are getting the correct product and not over spending for something that their building does not need