Does a carbon monoxide detector detect natural gas?

Author: Jaren Feest  |  Last update: Tuesday, March 10, 2026

Does a Carbon Monoxide Detector Detect Natural Gas? To answer the question, "does a co detector detect natural gas," no, most carbon monoxide detectors will not detect natural gas, as they are different types of gas entirely. Also, most smoke detectors will detect carbon monoxide rather than natural gas.

What kind of detector do I need for natural gas?

Detector Options

Some manufacturers of carbon monoxide detectors offer combination or 3-in-1 detectors to alert when carbon monoxide or an explosive gas such as natural gas or propane is detected.

Would natural gas set off a carbon monoxide detector?

Ultimately, no, a carbon monoxide detector cannot detect a natural gas leak. Carbon monoxide (CO) is a toxic gas created when fuel is burned in the presence of low levels of oxygen. Carbon monoxide is very different from methane and cannot be detected with the same sensor.

How to detect a natural gas leak in your home?

If you detect any of the following signs of a natural gas leak in your house or think you have been exposed, contact 911 immediately.
  1. The smell of rotten eggs. In its natural state, natural gas is odorless and colorless. ...
  2. Hissing sounds. ...
  3. Air bubbles outside your home. ...
  4. Dead or dying plants. ...
  5. Higher-than-normal gas usage.

What kind of gas does a carbon monoxide detector detect?

Most CO detectors use a sensor with a defined, limited lifespan, and will not work indefinitely. CO is a colorless, tasteless, and odorless gas produced by incomplete combustion of carbon-containing materials. It is often referred to as the "silent killer" because it is virtually undetectable by humans.

Best natural gas detectors

What other gases can set off a carbon monoxide detector?

Lead acid battery chargers produce hydrogen gas which sets off CO detectors. If you are charging your caravan or boat battery at home, this could set off your CO alarm. Once you have made sure that the alarm is false, it is safe to ignore the alarm in this scenario, but remain vigilant for other signs.

Is natural gas heavier than air?

Natural gas is lighter than air and rapidly dissipates into the air when it is released. When natural gas burns, a high-temperature blue flame is produced and complete combustion takes place producing only water vapor and carbon dioxide. It has a heating value of about 1000 BTUs per cubic foot.

What indicates a natural gas leak?

Here are some signs of a natural gas leak:

White vapor that looks like smoke. A hissing or whistling noise. Fire coming out of a hole or on top of the ground. Dirt blowing from a hole in the ground.

How common are natural gas leaks in homes?

With nearly 70 million American households with natural gas lines in their homes, there is an increased need for awareness regarding gas leak safety. The National Fire Protection Association (NFPA) reports that fire departments respond to around 125,000 residential gas leaks annually.

What are the symptoms of natural gas exposure?

Common short-term symptoms of exposure to natural gas include:
  • Headaches.
  • Dizziness.
  • Nausea.
  • Breathing difficulties.
  • Throat and eye irritation.
  • Ringing ears.
  • Drowsiness.
  • Reduced appetite.

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!

What do I do if my house smells like gas?

What To Do When You Smell Gas
  1. Immediately evacuate everyone in the house.
  2. Do not use anything that can produce a spark or flame.
  3. Open windows and doors as you got to provide ventilation.
  4. Turn off your gas meter if you know where it is.
  5. Call emergency services to inform them of the issues.

How to tell if a stove is leaking gas?

What To Look For
  1. The gas flames on your stove are yellow, not blue.
  2. You can smell gas near your stove, even if it's turned off.
  3. If you touch the oven door, it's hot to the touch.
  4. You can hear a hissing noise near your stove.

Do I need a carbon monoxide detector if I have natural gas?

Having natural gas and carbon monoxide detectors in your home can help protect yourself and your family from the dangers of gas leaks and carbon monoxide poisoning. Contact us to find out how DeNova Detect can help protect you and your loved ones.

Will a carbon monoxide detector detect a natural gas leak?

Will a carbon monoxide alarm detect gas leaks? Answer: While a carbon monoxide detector is helpful to prevent carbon monoxide poisoning, you cannot rely on a carbon monoxide detector to detect a gas leak. A carbon monoxide detector will sense carbon monoxide, not raw fuel or gas fumes.

Where to place a natural gas leak detector?

A natural gas alarm should be installed indoors in any room that has a gas-fueled appliance. This can include a stove, furnace, water heater, gas fireplace, or a gas dryer. It should be installed on the wall, within 12 inches from the ceiling.

How do you detect a natural gas leak?

Think you smell natural gas?
  1. Listen. For a hissing, blowing, whistling or roaring sound.
  2. Smell. A distinct odor like rotten eggs or sulfur.
  3. Look. For blowing dirt, bubbling water or dead vegetation.

Where do most natural gas leaks occur?

Gas is generally considered to be a safe energy source, but it can quickly become dangerous when there is a gas leak. Most leaks occur at utility pipelines, but leaks occasionally happen in residential areas, including in-home leaks.

How serious is a small gas leak?

A gas leak is when natural gas leaks from a pipeline and then into an area where it shouldn't be. Leaks are considered very dangerous since they can build into an explosive concentration. They can kill vegetation and trees, cause explosions and fires, and might release greenhouse gases into the atmosphere.

Who checks for natural 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.

Can you stay in a house with a gas leak?

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.

How do I know if I'm smelling natural gas?

If you smell a sulfur or rotten-egg-like odor, you could have a gas leak. Natural gas is naturally colorless and odorless. We add an odorant called mercaptan to natural gas, which gives it a distinctive smell. In some cases, you can also identify natural gas by sight or sound.

Does natural gas give off carbon monoxide?

Even though natural gas doesn't contain carbon monoxide, it can be produced when there's not enough oxygen present for natural gas, oil, or any other fuel to burn properly.

Does natural gas sink or rise in the house?

Natural gas is lighter than air, so it will rise and disperse if allowed to vent freely.

What happens if you breathe in natural gas?

1) Decreased level of oxygen

Leaking natural gas can replace oxygen in ambient air. Without oxygen, you will be unable to breathe, resulting in a range of symptoms including: Headache. Dizziness.

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