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Yes, you can winterize your own sprinkler system if you have an air compressor and feel comfortable using it. The process involves blowing all the water out of the lines to prevent them from freezing and cracking. However, using the wrong pressure can damage the system, so many homeowners prefer to hire professional sprinkler system companies.

If you don’t winterize your sprinklers, water left in the system can freeze and expand, causing pipes, valves, and sprinkler heads to crack or burst. This damage often isn’t noticeable until spring, when leaks, broken heads, or low water pressure appear. Repairs can be expensive and may mean replacing underground piping. Proper winterization helps protect the system, lengthen its lifespan, and save you money and hassle when warmer weather returns.

A few things can change the cost of winterizing your sprinklers, like:

• Number of sprinkler zones: A system with ten zones will generally take more work to drain and blow out than one with only four.

• System complexity: The type of backflow preventer your system uses can change the process. Some are simpler to handle, while others require more steps and time.

• Condition of the system: If any repairs are needed, like a leaky valve or a broken head, the cost will often go up. Many sprinkler system companies can handle these fixes during the winterization appointment.

• Accessibility: Hard-to-reach components, such as a shut-off valve in a tight crawl space, can add time and labor to the job.

• Your location: A professional may factor unusual travel time and distance to your home into the price.

The three main methods for winterizing sprinklers are manual draining, automatic draining, and the blow-out method. Blowing out sprinklers uses compressed air to clear all water from the lines and is most effective. Since it requires special equipment, many homeowners hire professional sprinkler system companies to help preserve their pipes over the winter.