Krupske Sprinkler Systems installs only self draining sprinkler systems. Our systems can be easily winterized by our homeowners in about 5 minutes and require no winter blow outs. The first year's winterization is included with all new installations.  Winterizations are generally done in late September and October. Click here to see our winterization instructions. We offer a winterization service for any homeowners or businesses that do not want to do their own winterization.  Appointments can be made online or by calling our office at (815) 464-6801.