Most of the time is spent on blowing out sprinklers and waiting for excess water to drain.
Cost
$25–$50
Just a short shopping trip (or online order).
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What you'll need:
TOOLS
Air compressor (optional)
Wrench
Bucket
SUPPLIES
Outdoor water spigot
Spigot insulative cover
Without winterizing your outdoor faucets, you risk cracked pipes and water leaks in your home and lawn. Even if you have a freeze-proof type of hose bib, winterizing is an essential maintenance task to take on every year, lest you want to deal with frozen pipes in the winter and leaks or floods in the spring. Learn how to winterize an outdoor spigot, from draining and insulating the faucet to blowing out sprinklers, with this guide.
Buying an Insulative Cover for Outdoor Spigots
You’ll want to use an insulative cover designed specifically for outdoor spigots as the final step in winterizing your outdoor faucets. You may be tempted to grab an old towel or hoodie to wrap around the spigots, but these porous materials will absorb any rain, sleet, or snow, making it more likely for the faucet to freeze. Instead, head to a local home improvement store or shop online for a foam block or flexible nylon insulation cover, which should cost about $5 to $10 each. Outdoor faucet covers work by keeping wet weather away from the spigot and adding a light layer of insulation as a barrier against extra chilly temperatures.
Angi Tip
You should winterize your pipes before temperatures regularly drop to 32 degrees Fahrenheit. Depending on where you live, this could start as early as September.
Locate the water shut-off valve for the sprinkler system. It may be outside near the water meter or well, hidden inside a faux rock on your property, or inside the sprinkler valve box. If it’s inside, it’s typically located near the water heater in a basement or utility closet. To shut it off, turn the water shut-off valve a quarter-turn, or 90 degrees, until it is perpendicular to the water pipe.
Store Hoses and Accessories
Next, remove any garden hoses or other accessories, like hose extenders or stands that help work with an outdoor faucet that’s too low. Make sure to drain out any extra water from hoses, then stow these items safely away in a shed or garage for the winter.
Drain Water From Spigot
Photo: Budimir Jevtic / Adobe Stock
With the water shut off, turn on the outdoor faucet. Any water that is left in the pipes will pour out. You may want to place a bucket beneath the faucet, especially if you have grass or plants nearby that you don’t want to accidentally overwater. Let the faucet drain for about three hours before you move on to the next step.
If you have a freeze-proof outdoor faucet, you won’t need to wait for it to drain. Instead, move on to the next step.
Blow Out Sprinklers
If you have a lawn sprinkler system, you’ll need to either learn how to blow out a sprinkler system or hire a local sprinkler blowout company to perform this task for you. It’s best to leave this to the pros, because not only will you need to spend money to rent or buy an air compressor, but making a mistake could damage your entire sprinkler system or even lead to injury.
To blow out the sprinklers, you will need to set up smaller zones and work on blowing out one sprinkler head in a zone at a time using an air compressor. It’s important to get an air compressor that is compatible with your sprinkler system based on the pressure, measured in pounds per square inch (PSI).
Air compressors with a 40 to 80 PSI work best for blowing out sprinklers, but make sure to check your sprinkler system to determine what you need. If you use an air compressor with a PSI that’s too high, you could damage your water pipes, so proceed with caution.
Blowing out the sprinklers will take about two hours.
Check for Damage
Now that the faucets and sprinklers are drained of any excess water, you can inspect the outdoor spigots, sprinkler heads, and other parts of the sprinkler system for any damage. If you notice corrosion, cracks, or other damage, hire a sprinkler repair pro to fix these issues before you finish winterizing your outdoor spigots.
Add an Insulative Cover
Photo: C5Media / Adobe Stock
Finally, it’s time to insulate the outdoor faucet for winter. If you bought a foam block cover, it has a rubber loop and an opening that will fit right over the faucet. Pull the rubber loop over the faucet and around the back of the faucet where it meets the wall. Push the foam cover over the faucet until it reaches the wall. Pull the rubber string sticking out of the front of the faucet cover until it is tight against the wall of the house.
A flexible nylon cover will open to fit over the faucet. Then, you simply pull the drawstring tight until the cover is closed securely over the faucet.
DIY vs. Hiring a Plumber
To protect an outdoor faucet from freezing, you’ll spend about $5 to $10 for an insulative cover. If you have a sprinkler system that needs to be blown out and you don’t have an air compressor on hand, this project quickly becomes more expensive. Renting an air compressor costs about $30 to $60 per day, or you can buy one for $100 on the low end to over $1,000 for larger models.
Winterizing a sprinkler system costs about $60 to $130 when you hire a pro to handle it, or about $100 to $250 if you need a sprinkler blowout. If you just need to drain the faucet and cover it for the winter, you can DIY with confidence. But if you need to winterize a sprinkler system, it will be faster and more cost-efficient to hire a sprinkler blowout company, a landscape specialist, or a plumber.
Frequently Asked Questions
You can leave the outside spigot open all winter, which may even help avoid pressure buildup as temperatures change over the seasons. Just make sure to shut the spigot off in the spring before you turn the water supply to the outdoor faucets back on, or water will rush out from the spigot.
An outdoor spigot needs some attention before the temperatures begin to drop. Using an insulative cover is just one part of minimizing a frozen spigot and pipes. You’ll also need to shut off the water and drain the spigot, which leaves as little water as possible in the pipes to prevent freezing.
Yes, you should add an insulative cover to outdoor water spigots in the winter for better protection against freezing. Make sure to use waterproof insulating material—using something like a towel or old shirt can actually make the faucet more prone to freezing when the material soaks up rain or snow.
Paige Bennett is a professional editor and writer with experience covering design, DIY projects, food, health, and travel, and holds a bachelor's degree in journalism from Ohio University.
Paige Bennett is a professional editor and writer with experience covering design, DIY projects, food, health, and travel, and holds a bachelor's degree in journalism from Ohio University.
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