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Winterize your sprinkler system before the first deep freeze in your area, typically from late September to early October. This ensures no water remains in the pipes to freeze and cause damage, preventing costly repairs and preserving your system's integrity.

You should open your sprinkler system in spring only after the last hard freeze has ended. Begin by testing the system once temperatures remain robustly above 32°F and the risk of frost has completely dissipated. This method protects your system from pressure shocks and minimizes repair risks, ensuring optimal performance for the new season.

The cost to run an irrigation system depends on factors such as water usage, local water rates, and the efficiency of your system. On average, homeowners may spend between $10 and $50 per month on irrigation water. To minimize costs, consider installing a water-efficient system and scheduling watering during cooler times of the day to reduce evaporation. Regular maintenance also helps ensure your system operates efficiently.

If you live in a warm climate where freezing temperatures are rare, you do not need to winterize your sprinkler system. In regions where temperatures consistently remain above freezing, water will not remain in the pipes long enough to cause freeze damage. However, it's still important to perform regular maintenance to keep your system running efficiently. Reviewing local weather forecasts and consulting a professional ensures that your system operates effectively without unnecessary maintenance.