Home Maintenance

Winter Plumbing Prevention: Protect Your Pipes

January 8, 2026
6 min read
SVC One Warranty Team

Don't let frozen pipes ruin your winter. Learn essential prevention tips to protect your home's plumbing system from cold weather damage and avoid costly repairs.

Photo taken in , Canada

When temperatures drop below freezing, your home's plumbing system faces serious risks. Frozen pipes can burst, causing thousands of dollars in water damage and leaving you without running water during the coldest months of the year.

According to the Insurance Institute for Business & Home Safety, the average cost of a burst pipe claim is over $10,000. The good news? Most winter plumbing disasters are preventable with proper preparation and maintenance.

$10,000+
Average burst pipe damage cost
250,000
Homes with burst pipes annually
20°F
Critical freezing temperature

Why Pipes Freeze and Burst

A frozen pipe with hanging icicles against a granite stone wall.

When water freezes, it expands by approximately 9%. This expansion creates tremendous pressure inside your pipes—enough to burst even heavy-duty plumbing. The burst typically doesn't occur at the frozen section itself, but rather between the blockage and a closed faucet.

High-Risk Areas

  • Pipes in unheated interior spaces (basements, attics, garages)
  • Pipes running along exterior walls
  • Outdoor hose bibs and sprinkler lines
  • Water supply pipes in cabinets

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Essential Winter Plumbing Prevention Tips

1

Insulate Vulnerable Pipes

Pipe insulation is your first line of defense against freezing. Focus on pipes in unheated areas like basements, crawl spaces, attics, and garages.

  • Foam pipe sleeves: Easy to install and effective for straight runs
  • Heat tape: Electric heating cables for extreme cold areas
  • Insulated faucet covers: Protect outdoor spigots and hose bibs
2

Disconnect and Drain Outdoor Hoses

Water left in outdoor hoses can freeze back into the pipes inside your home, causing them to burst.

Before the first freeze:

  1. Disconnect all garden hoses from outdoor faucets
  2. Drain remaining water from hoses and store indoors
  3. Shut off water to exterior faucets from inside
  4. Open outdoor faucets to drain remaining water
  5. Install insulated faucet covers
3

Keep a Consistent Temperature

Maintain a steady temperature throughout your home, even when you're away.

  • Set thermostat to at least 55°F when traveling
  • Keep garage doors closed if there are water supply lines inside
  • Open cabinet doors under sinks to allow warm air circulation
4

Let Faucets Drip During Extreme Cold

When temperatures drop below 20°F, allow cold water to drip from faucets served by exposed pipes. Running water, even at a trickle, helps prevent freezing.

Pro Tip:

A drip rate of 5 drips per minute is sufficient. While this uses some water, it's far less costly than repairing burst pipes and water damage.

5

Seal Cracks and Openings

Cold air can enter through gaps around pipes where they enter your home, making freezing more likely.

  • Seal gaps around pipes with caulk or spray foam insulation
  • Check for drafts near dryer vents and other openings
  • Insulate or seal crawl space vents during winter

Winter is Coming. Are You Prepared?

Get expert plumbing inspection and winterization services before the first freeze. Our licensed contractors will identify vulnerable areas and protect your pipes.

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What to Do If Your Pipes Freeze

If You Suspect a Frozen Pipe

Act quickly to prevent bursting. Follow these steps immediately:

1

Turn off the main water supply

Prevent additional water from entering the frozen section

2

Open all faucets

Release pressure and allow water to flow once melting begins

3

Apply gentle heat

Use a hair dryer, heating pad, or warm towels—never an open flame

4

Call a professional

If you can't locate the freeze or access the pipe, get expert help immediately

Never Do This:

  • Use a blowtorch, propane heater, or other open flame
  • Use electrical appliances near standing water
  • Ignore the problem hoping it will resolve itself

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Stay Ahead of Winter Weather

Winter plumbing prevention doesn't have to be complicated or expensive. By taking these proactive steps before temperatures drop, you can protect your home from costly freeze damage and ensure your plumbing system operates smoothly all winter long.

Remember, prevention is always more affordable than repair. The time and small investment you make now in insulation, maintenance, and preparation will pay dividends by avoiding emergency plumber calls and water damage restoration.

Your Winter Plumbing Checklist

  • Insulate all exposed pipes
  • Disconnect and drain outdoor hoses
  • Seal gaps and cracks around pipes
  • Set thermostat to 55°F minimum
  • Know your main water shutoff location
  • Have an emergency plumber's number handy
Central air conditioning system and HVAC explanation 3D illustration. Conditioner or heating unit technology for air exchange and indoor climate control. Temperature unit for house or apartment.
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"When our pipes froze last winter, SVC One had a plumber here within 2 hours. Saved us thousands in damage!"

— Sarah M., Chicago IL

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