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PLUMBING GUIDE

Frozen Pipes

Learn how to prevent frozen pipes, what to do during cold weather, and how to thaw safely.

Updated: Sep 3, 2026 | General homeowner guidance
Exposed residential pipes in an under-sink cabinet for a frozen-pipe prevention and response guide

Quick Answer

Frozen pipes can begin with weak or no flow during cold weather, but an outage or provider-side issue can look similar. Confirm the local forecast and utility instructions, protect exposed plumbing before temperatures fall, use gentle heat only on accessible pipe, and never use an open flame.

On This Page

Key Facts

Watch the forecast

Preparation should begin before temperatures reach the danger window.

Check water flow

One fixture and whole-home no-flow situations need different checks.

Thaw safely

Never use an open flame or unsafe heating method.

Inspect after thawing

A split can leak only after frozen water begins to thaw.

Cold Weather Timeline

1

72 Hours Before

Wrap vulnerable pipes and review the forecast.

2

24 Hours Before

Remove hoses, know the shutoff, keep heat on.

3

During Warning

Follow current local water-use guidance.

4

After Temperatures Rise

Inspect carefully for leaks after thawing.

Is It a Frozen Pipe or a Service Outage?

Check nearby homes

A wider no-water issue may not be inside your property.

Look for utility alerts

Check provider notices before thawing anything.

Check multiple fixtures

Compare hot, cold, and several locations.

What This Problem May Mean

Pipes are more likely to freeze in unheated or poorly insulated spaces, exterior walls, crawl spaces, garages, and cabinets against outside walls. A frozen pipe may split before or during thawing, so watch closely for leaks and know where the main water shutoff is.

Safe Thawing and Homeowner Checks

Check whether the problem affects one fixture or several fixtures during freezing weather.
If an accessible pipe is suspected to be frozen, keep the affected faucet open slightly while the pipe warms.
Open sink cabinet doors where pipes are against an exterior wall so warmer indoor air can circulate.
Use gentle methods such as warm air from a hair dryer or warm towels only on accessible pipe, keeping electrical equipment away from water.

When to Stop

  • A pipe is cracked, bulging, or already leaking.
  • Water begins flowing from a split as the pipe thaws.
  • The frozen section is inside a wall, ceiling, crawl space, or another unsafe/inaccessible area.
  • Any open-flame or high-heat method would be required to reach the pipe.

When Professional Help May Make Sense

If the pipe cannot be located or thawed safely, or it is damaged or leaking, contact a licensed plumber. Never use a torch or other open flame to thaw a pipe.

Texas plumbing context

Need location-specific context?

Provider boundaries, utility rules, weather, and local water conditions can change the next step. Use the statewide and area guides only when location actually changes the decision.

What to Have Ready Before You Call

Which fixtures have reduced or no flow.
Recent outdoor temperatures and how long the home was cold.
Location of exposed pipes if known.
Whether any cracking, bulging, dripping, or prior freeze damage is visible.
Sources & Methodology

Sources Used

How this guide was prepared

HomeService Path separates general homeowner observations from provider-specific or property-specific evidence. The page does not diagnose a specific home, promise a repair outcome, or replace current utility instructions, manufacturer guidance, or professional inspection.

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