Can a plumber detect a gas leak?

Author: Yessenia Tremblay  |  Last update: Saturday, November 29, 2025

A hissing noise coming from near the gas line could be a potential gas leak. A professional plumber will listen for weird sounds from different areas to spot if the issue is genuinely a gas leak or another problem with the plumbing or HVAC system.

Do plumbers work on gas leaks?

Check the plumber's qualifications; they must have a California C-36 Plumbing Contractor license to work with gas lines. This means they are properly trained to fix a gas leak in your home.

Who can test for gas leaks?

Your local AmeriSpec inspector can provide a gas leak detection test as a standalone service or offer it as part of your general home inspection. Since our inspectors are nationally trained and certified according to state and local requirements, you can trust the testing process and results.

How much does it cost to check for a gas leak?

If you suspect a gas leak, a plumber will first conduct a pressure test. This is a relatively simple process that should cost $75 to $150 and take around 30 minutes to complete. However, some parts of the country will require a lengthier gas line pressure test that will take more than 24 hours and cost up to $500.

How long can a small gas leak go unnoticed?

They can even go on for months undetected. But if there's a significant amount of gas escaping from your system, it can cause a spike in your gas bill.

How to Tell If Your House Has a Gas Leak

Can you stay in a house with a small gas leak?

If you smell a natural gas odor, hear the hissing sound of gas escaping or see other signs of a leak: IMMEDIATELY EVACUATE the area, and from a safe location either call 911 or SoCalGas at 1-800-427-2200.

Can a gas leak smell come and go?

Natural gas leaks are particularly likely to cause smells in small, enclosed areas where gas can build up. If the leak is outside, the smell may seem to come and go as the breeze blows it away. The other big sign to look out for is a strange noise.

How much does it cost for a gas leak check?

At 1300 FINDLEAK, our gas and water leak detection cost Australia wide starts from $168 including GST. Prices may vary depending on your location, and whether it is a domestic or commercial job.

Are gas leaks expensive to fix?

Average gas line repair costs typically range from 250.00 to 950.00 depending how accessible the gas pipe repair is located. Most gas line repair work is due to an old gas valve that is leaking, or a gas pipe threads that fail and need to be removed and resealed.

How do plumbers test for gas leaks?

Common leak-test methods are pressure and vacuum decay, tracer gas detectors, and a bubble soap leak detector. Trades and homeowners alike can use a bubble soap leak detector to check piping systems for leaks.

Is a small gas leak acceptable?

Is a small gas leak dangerous? Yes, it is. A small gas leak can still catch on fire and trigger an explosion from another fire source or electrical spark.

Will a carbon monoxide detector detect a gas leak?

No, carbon monoxide (CO) alarms cannot detect natural gas leaks. They are designed to detect the presence of carbon monoxide, a poisonous gas formed during incomplete combustion of fuels like oil, gas, propane, and wood.

Does homeowners insurance cover gas leaks?

In certain scenarios, yes, such as if the gas leak is severe enough to cause an explosion. Explosions are a covered peril under standard homeowners policies. However, other scenarios won't be covered, such as if the gas leak occurs due to an aging appliance, and doesn't lead to something catastrophic like an explosion.

How long does it take a plumber to fix a gas leak?

Typically, it takes us about 24 hours to complete a bad gas leak repair in Anaheim, CA. However, many factors will affect this timeline, like how long it takes to find the leak and how difficult it is to repair it.

Is there a device that can detect gas leaks?

The gas leak alarm sensor is like a superhero that can detect butane, methane, and any odd smells lurking around. And the best part? It talks! It's got voice prompt, so it can be like, "Hey, watch out!

Can a small gas leak go unnoticed?

Small natural gas leaks may not smell, go unnoticed and can even affect your health and the health of those in your home. Inhaling too much natural gas can lead to lightheadedness, dizziness, and headaches. You may have a gas leak if you experience other symptoms, including: Irritation in the eyes and throat.

Who can detect a gas leak?

Just like yourself, your gas plumber will first check for the most obvious signs of a gas leak, such as the smell of rotten eggs, hissing or whistling noises around gas lines, or bubbles forming on a connecting tube. Your gas plumber may also inspect the flame on your kitchen's gas stove.

How much does it cost to check for gas leak?

Most of the time, the average gas leak detection costs around $400 to $700.

Do plumbers repair gas lines?

If you have an older gas line that is beginning to rust and corrode, that means moisture is affecting your pipes somehow. Your gas line should never be in contact with moisture, so if you notice any rusting or corrosion, call Adeedo as soon as possible to have a certified plumber diagnose and repair the issue.

Do you have to pay if you think you have a gas leak?

It's free to call the National Gas Emergency Service on 0800 111 999 to report a gas leak. They'll send an emergency gas engineer to make sure your home is 'Gas Safe' – this is free of charge and usually within one hour of making the call.

Is it safe to stay in a house that smells like gas?

Here's what you should DO if you smell gas: DO leave the home, building, or area of the suspected leak. Get to a safe area as quickly as possible. After leaving your home, DO call the 24-hour emergency number for Peoples at 1-800-400-4271, or call your local emergency response number.

What smell can be mistaken for gas?

Hydrogen Sulfide

The gas has a strong scent of rotten eggs, which makes it distinct from other, similar gases. If you detect this rotten egg scent and you are using hydrogen sulfide at your facility, this could be evidence of a leak.

What if I smell gas but no leak?

If your home smells like gas, but there's no apparent leak, here are steps you should follow: Ventilate the house by opening all windows and turning on ceiling fans. After this, if the smell is persistent, evacuate your home. Put out any materials that can create a flame or cause a spark, such as any open flames.

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