Welcome to Donnelly Sprinkler Systems

Blow Out Services | Free Estimates

Donnelly Sprinkler Systems has been offering installations, repairs, and blow out services for more than 28 years, most right here in Missoula, MT and the surrounding areas. We offer reasonable and affordable prices, and we'll beat our competitors in price, efficiency and customer service! You will receive a wonderful sprinkler system, leaving your lawn looking beautiful! We guarantee your satisfaction and will check back with you to ensure that you are completely satisfied.

Rather than having your pipes freeze and causing big problems, we offer end of season blowout services. All blowouts are guaranteed. If it is not done right, we will fix it - free of charge. We want to be your go-to sprinkler company for installs, repairs, spring start-ups, and end-of-season blowout services for your sprinkler system. Ask about our spring start up services which include running through all zones to make sure everything is running properly. We use only the best products like Hunter and Rainbird. However, we can repair and maintain many different sprinkler systems. Donnelly Sprinkler Systems always has the customer in mind. If there is a problem, we'll fix it in a timely manner. We also offer updates to older systems to improve efficiency. Free estimates.