Spokane · Sprinkler Winterization

Sprinkler Blowouts & Winterization in Spokane

Protect your system before the first hard freeze. We blow every zone dry with compressed air so your pipes, valves, and heads make it through winter without cracking.

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Why Spokane sprinklers need a blowout

Water left in irrigation lines expands when it freezes. One cold night can split pipe, crack a backflow preventer, or ruin a valve, and you won't find out until spring start-up. A proper blowout clears every zone so there's nothing left to freeze.

What's included

  • Water shut off and backflow preventer drained
  • Zone-by-zone blowout with compressed air at safe pressure
  • Controller set to winter mode
  • Notes on anything that needs repair, so spring start-up goes smoothly

When to book

Most Spokane-area systems should be blown out from mid-October through early November, before overnight lows stay below freezing. Book early, since slots fill quickly once the cold arrives.

Book it once, or bundle it

Blowouts can be booked on their own, or bundled with your spring start-up and a mid-season check-in in our Full Season Sprinkler Package.

Common Questions

Blowouts & Winterization FAQ

When should I blow out my sprinklers in Spokane?

Aim for mid-October to early November, before nightly lows stay below freezing.

Can I just drain my sprinkler system instead?

Draining leaves water sitting in low spots and inside valves. Compressed air clears the lines completely.

What happens if I skip the blowout?

Frozen water can crack pipes, valves, and the backflow preventer, which usually costs far more to fix than the blowout.

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