Compare Sprinkler Winterization Quotes from Top-Rated Pros Near You

Sprinkler winterization, also called a blowout, involves using compressed air to remove all water from your irrigation lines, valves, and heads before freezing temperatures arrive. This prevents costly damage to pipes and backflow devices over winter.

The average sprinkler winterization costs $80. Pricing depends on the number of zones and system size. You can use LawnGuru to easily compare quotes from the top landscapers working in your neighborhood.

If water is left in your sprinkler lines, it can freeze, expand, and crack pipes or fittings. A proper blowout ensures your system is completely dry and protected, saving you from expensive repairs in the spring.

Ideally, schedule your blowout before the first hard freeze, usually between mid October and mid November, depending on your region. Once nightly lows consistently dip below freezing, it’s time to winterize.

Most services include:

• Connecting an air compressor to the system
• Blowing out each zone until no water remains
• Draining the backflow preventer and confirming the system is fully dry

Not usually. As long as your irrigation system and backflow are accessible outdoors and your provider has instructions for shutoff valve location, you don’t need to be home. If the shutoff is inside, please turn off the water to the irrigation system ahead of your providers arrival or be home to assist.

Most residential systems take 15 - 30 minutes depending on the number of zones. Larger or complex systems may take slightly longer.

Water left in pipes can freeze and cause cracks, leaks, or broken fittings often costing hundreds or even thousands to repair in spring. Winterization is a simple preventive step that protects your entire irrigation investment.

Yes! In spring, you can book a sprinkler startup service to reopen valves, pressurize lines, check for leaks, and adjust sprinkler heads for even coverage.