Any experts on screw type compressors?

[Tim K]

I think I'm in the market for a 15hp unit. Looking at IR as first choice. They have a direct sales department in Denver, but I'm wondering if I should look at any of the myriad of suppliers out on the internet.

How necessary is an integrated dryer? It's expensive, adding $2K to the cost. We're only powering polishers, and they're relatively cheap. Does the water in the air really mess them up? All my experience is with spray equipment where water is an obvious no-no, but we have a separate system for the cabinet shop. This unit will only be used on the granite side.