How to Thaw Frozen Pipes Safely (and When to Call a Reno Plumber)

How to Thaw Frozen Pipes Safely (and When to Call a Reno Plumber)

Winter mornings in Reno can be cold enough to make you want to stay under the blankets a little longer. But eventually, you have to get up, brush your teeth, and get ready for the day. Now, what if you turn on the faucet and nothing comes out?

Your first thought might be that there’s a problem with the water supply.

But if temperatures dropped below freezing overnight, you could be dealing with a frozen pipe. And the longer the pipe stays frozen, the greater the risk of pressure building up and damaging your plumbing.

That’s why it’s important to deal with the problem as soon as you notice it. If you catch it early and can safely reach the affected section, you may be able to thaw the pipe yourself.

So, let’s talk about how to thaw frozen pipes, what you should avoid, and when it’s better to call a Reno plumber.

How to Tell if Pipes Are Frozen in Your Home

If you turn on a faucet during freezing weather and get little or no water, you might have a frozen pipe. But low water pressure alone doesn’t confirm that ice is the problem, so you’ll want to check a few other signs.

Here’s how to tell if pipes are frozen before you try to thaw them –

  • Little or no water: You turn on the faucet, but only a small amount of water comes out, or nothing comes out at all.
  • One fixture stops working: Your kitchen faucet might have water, but your bathroom faucet doesn’t.
  • Frost on exposed pipes: You notice frost or ice on pipes in your garage, basement, or crawl space.
  • Bulging pipes: A pipe looks swollen, which could mean ice has formed inside.
  • Unusual sounds: You can hear strange noises from the plumbing when you’re trying to use water. However, sounds alone don’t confirm freezing.

If you notice a crack or a leak, you shouldn’t thaw it yourself. That’s because the pipe might already be damaged, and thawing it could cause water to leak out.

So, shut off the water supply if you can do so safely, and contact a professional plumber.

Why Do Water Pipes Freeze During Reno Winters?

When temperatures drop below freezing, the water inside your pipes can start turning into ice. This is more likely to happen if your pipes run through unheated areas or are exposed to cold outdoor air.

In Reno, freezing winter nights can put some parts of your home’s plumbing at risk. Some common reasons include –

  • Poor insulation: Pipes without enough insulation lose heat more quickly in cold areas.
  • Unheated spaces: Water lines running through garages, attics, and crawl spaces can freeze.
  • Cold air leaks: Gaps around walls, windows, or pipe openings can allow freezing air to reach your plumbing.
  • Outdoor faucets: Garden hoses left connected can trap water and increase the risk of freezing in the faucet or connected piping.
  • Several hours of freezing temperatures: Pipes that are exposed to cold weather for several hours or days can develop ice blockages.

If the same pipe freezes every winter, you might need better insulation, air sealing, or changes to how that section of plumbing is protected.

How to Thaw Frozen Pipes Safely at Home

Here’s how you can thaw a frozen pipe safely –

Step 1 – Find the Frozen Section

  • Start with the faucet that’s giving you trouble. If other faucets still have water, the frozen section might be somewhere along the supply line serving that fixture.
  • Check any exposed pipes in nearby cabinets, basements, garages, or crawl spaces.
  • You should also look for frost, but remember that a pipe can freeze without showing ice on the outside.

If you can’t locate the problem without opening walls or entering an unsafe area, you should call a licensed plumber.

Step 2 – Locate Your Main Water Shutoff Valve

  • Before you start thawing, find your home’s main water shutoff valve. This way, you can turn off the water quickly if you discover a leak.
  • For a suspected frozen pipe, shutting off the supply to that pipe before applying heat is the safer choice.
  • You can use a fixture shutoff valve if it isolates the affected section. Otherwise, you should use the main valve.
  • Also, keep the affected faucet open to help release pressure and allow water to escape as the ice melts.

Step 3 – Warm the Pipe With a Hair Dryer

You can use a hair dryer to thaw a frozen pipe, but only if you can safely reach it and there are no signs of damage.

Here’s how to use it –

  1. Make sure the pipe and surrounding area are dry.
  2. Keep the hair dryer away from sinks, puddles, and other water sources.
  3. Use a low or moderate heat setting.
  4. Move the warm air along the pipe instead of concentrating it on one spot.
  5. Avoid overheating plastic pipes or nearby materials.

Important: Never use a hair dryer or another electrical appliance if there’s standing water nearby or the area is wet. The risk of electric shock makes it unsafe to attempt DIY thawing in these conditions.

If you can’t use a hair dryer safely, try warming the room around the pipe instead. If that doesn’t help, call a plumber.

Step 4 – Try Warming the Room

If the pipe runs through a cold garage or crawl space, raising the surrounding temperature may help.

You can turn up the heat in an accessible indoor area or open cabinet doors to let warmer room air reach the plumbing.

But if you’re using a portable heater, don’t put it too close to curtains, furniture, or anything that might catch fire. Turn it off before leaving the room, too.

And you shouldn’t use a torch, open flame, or heat gun on a frozen pipe. You could end up starting a fire or damaging your plumbing.

Step 5 – Check for Leaks Before Restoring Water

After the pipe has thawed, don’t forget to check the exposed section and nearby connections for cracks or other damage.

This is important because freezing water can put enough pressure on a pipe to crack it, and you might not notice a leak until the water starts flowing again.

  • If everything looks fine, slowly turn the water back on and watch for leaks.
  • If you notice any dripping or spraying water, shut off the water supply and call a plumber to find where the leak is coming from and repair the damaged pipe.

Frozen Pipe, No Water? Here’s What You Should Do

If you have a frozen pipe, no water situation, don’t keep turning faucets on and off hoping the problem will disappear.

  • First, check whether the problem affects one faucet or your entire home.
  • If every fixture has stopped running, contact your water utility to rule out a service interruption.
  • If only one area has lost water, the problem may be in a smaller section of your home’s supply piping.
  • You should also check for leaks and locate your main shutoff valve.

These checks can help you narrow down the problem and decide what to do next.

When Should You Call a Reno Plumber for Frozen Pipes?

You should call a plumber if you notice a leak, can’t find the frozen section, or still have no water after trying safe thawing methods. A plumber can also help when the same pipe freezes repeatedly.

Here are a few situations where professional help makes sense.

1. You Notice a Cracked or Burst Pipe

If you notice water spraying from a pipe, dripping from a damaged connection, or collecting on the floor, shut off the main water supply.

Don’t try to thaw a visibly damaged pipe because water could start leaking through the cracks as the ice melts. Instead, have the pipe repaired before turning the water back on.

2. The Frozen Pipe Is Behind a Wall

Sometimes, the frozen pipe may be hidden behind a wall, under the floor, or somewhere you can’t easily reach.

In that case, trying to heat the area yourself could damage the drywall, overheat the pipe, or even start a fire.

It’s better to call a plumber who can find the frozen section and figure out how to reach it safely.

3. You Still Have No Water After Thawing

If you’ve tried warming the exposed pipe but still have no water, there may be more ice blocking the line farther down.

Rather than applying more heat, have a plumber check the system. They can identify whether another frozen section, valve problem, or damaged pipe is responsible.

Get Help With Frozen Pipes – Call (775) 331-3636

How Can You Keep Your Pipes From Freezing Again?

Once you’ve dealt with a frozen pipe, you’ll probably want to make sure it doesn’t happen again. Fortunately, there are several things you can do before the next cold spell.

  • Insulate exposed water lines: Cover pipes in garages, crawl spaces, and other cold areas with suitable pipe insulation.
  • Disconnect garden hoses: Take your garden hoses off outdoor faucets before temperatures drop below freezing.
  • Seal air leaks: Look for gaps around pipes, windows, and exterior walls where cold air might be getting into your home.
  • Keep your heat running: Don’t turn off your heating system completely when you leave home, especially during freezing weather.
  • Open cabinet doors: If you have pipes under sinks along outside walls, leave the cabinet doors open so warm air from your home can reach them.
  • Let faucets drip when necessary: When it’s extremely cold outside, letting a small amount of water run from faucets connected to vulnerable pipes may help prevent freezing. Just make sure you follow any local water-use restrictions.
  • Fix recurring problems: If one pipe keeps freezing, ask a plumber to check its insulation, location, and exposure to cold air.

A little preparation before winter can save you from waking up to a frozen pipe and no running water.

Common Questions About Frozen Water Pipes

Can I pour boiling water over a frozen pipe?

No. The sudden heat from boiling water could damage your frozen pipe. You can try turning up the heat in the room instead. If the pipe is exposed and doesn’t appear damaged, you can also use a hair dryer to thaw it.

Can frozen pipes burst even if the faucet is turned off?

Yes. Ice can block the pipe and cause pressure to build up in trapped water. That pressure can crack the pipe even when you’re not actively using the faucet. But you might not notice the damage right away because the ice can temporarily block the leak. Once it melts, water can start escaping through the crack.

What temperature causes water pipes to freeze?

Water freezes at 32°F, but your pipes won’t always freeze the moment it gets that cold outside. It depends on where your pipes are, how well they’re insulated, and how long the cold weather lasts. Exposed pipes are especially vulnerable when temperatures stay below freezing for several hours.

Takeaway

If you think a pipe has frozen, you should start by checking which faucets still have water. Then, you need to look for exposed pipes that might be frozen. If you can reach the pipe and don’t see any damage, try warming the area around it.

But you should never use boiling water or an open flame. And if you find a leak or still have no water after thawing, turn off the water supply and call a plumber to check for damage or any ice still blocking the line.

Frozen Pipes Giving You Trouble? Call Easy Rooter Plumbing in Reno!

When you turn on your faucet and nothing comes out, it’s frustrating enough. But knowing that a frozen pipe could crack and leave you with water damage makes the situation even more stressful.

At Easy Rooter Plumbing, we’re here to help you find out what’s wrong and get your water running again.

We’ve served Reno and Sparks since 1979, and our licensed plumbers (#0084079/A-15 – Sewers, Drains & Pipes; #0026656A/C-1 – Plumbing & Heating) can handle frozen pipe problems, water line repairs, and pipe replacements.

With over 47 years of local experience and an A+ BBB rating, we’re here to help you get your plumbing problems fixed so you can get back to your normal routine.

If you’re dealing with frozen pipes and don’t know what to do, or if you need help with a damaged water line, call us at (775) 331-3636.