Is it safe to leave gas pilot light on?

Author: Markus Schaefer  |  Last update: Friday, May 29, 2026

Yes, leave it on. The pilot is designed to be so small that it doesnt produce significant CO, and if it goes out the loss of flame will turn the main burner gas off in very old models, and in newer dual valve systems the pilot gas is shut off automatically on loss of pilot as well.

Is it okay to leave pilot light on gas logs?

Yes, leave it on. The pilot is designed to be so small that it doesnt produce significant CO, and if it goes out the loss of flame will turn the main burner gas off in very old models, and in newer dual valve systems the pilot gas is shut off automatically on loss of pilot as well.

Do pilot lights give off carbon monoxide?

Pilot lights can be a source of carbon monoxide because the by-products of combustion are released inside the home rather than vented to the outside. Gas ovens and ranges should be monitored closely and kept in good working order.

Should I turn off my gas pilot light when not in use?

Save Energy and Money – Don't Leave Your Pilot Light Always On. As the weather gets warmer, you will be using your gas fireplace less and less. Turning off your gas fireplace seasonally can save you a substantial amount of energy and money.

Is it expensive to leave pilot light on?

A fireplace pilot light might consume about 24,000 BTU per day, adding up to about 720,000 BTU a month, or 7.2 therms. If you're paying $1 per therm, then leaving the pilot light on all the time throughout a month might cost you around $7 per month and $84 per year.

Should the pilot light always be on in a gas fireplace?

Is it better to leave a pilot light on or turn it off?

You can save gas and conserve energy by switching off the pilot light during summer. There is continuous use of gas to keep the pilot light on—turning it off will help save energy. While it may not be a significant drop in your energy or gas bill, remember, every dollar counts.

Is it safe to keep the pilot light on?

A: Yes, it's generally safe to leave the pilot light on in your gas fireplace. This small flame is designed to stay lit all the time. Q: What are the benefits of leaving the pilot light on? A: Keeping the pilot light on can prevent the build-up of moisture in the fireplace, which can lead to corrosion over time.

Should the pilot light be on all the time?

Your boiler pilot light is a very important part of your boiler. The pilot light or flame needs to be lit all the time to make sure that your boiler can produce hot water for your taps and central heating as and when it is needed.

Will gas leak if the pilot light is off?

A gas-powered heater uses a pilot light to ignite the flame that heats your home. The pilot light is a small, continuous blue or yellow flame that is ignited by a spark from an igniter or thermocouple. When this flame goes out, it can cause the gas to leak from the burner and into your home.

Does turning off the pilot light save money?

Additionally, an active pilot light can create moisture, which may collect inside the pipes and cause corrosion. Turning off your pilot light is a simple process that will save you both energy and money.

Does having a pilot light on use a lot of gas?

How much gas does a pilot light require? Most pilot lights consume around 600 BTUs of gas every hour. If you leave your pilot light on for an entire day, it would roughly consume 14,400 BTU's every day.

Should I smell gas after lighting pilot light?

Note that it is totally normal on automatic pilots (pilots that do NOT stay lit all the time) to smell a little natural gas when they are first turned on. A little gas will escape as the pilot and burners light on your heat or appliance.

Is a pilot light a fire hazard?

One of the main risks of leaving the pilot light on is the possibility of gas leaks, which can be hazardous if not detected and addressed promptly. Gas leaks stemming from a continuously burning pilot light can lead to a range of dangers, including fire hazards, health risks, and potential explosions.

What is the small flame on a gas fireplace when off?

The little flame you see in your gas fireplace after you have turned it off is called a pilot light. A Standing Pilot Light runs constantly, whether your fireplace is on or off.

Is it safe to leave gas logs on?

Although there are different types and styles of gas fireplaces some of which burn more safely and efficiently than others, the general rule is to NOT allow your fireplace to burn through the night. For safety, all fireplaces should be monitored properly to prevent fatal accidents.

How long do you hold the pilot light on a gas fireplace?

After lighting the pilot, continue to hold the control knob pushed in for 30 seconds. *Pilot lights utilize a safety feature called a thermo coupler. This device needs to be heated up for around thirty seconds, so it can expand and allow gas to flow through safely.

How much does it cost to leave a gas pilot light on?

Then look at your gas bill and find out what you pay per Therm. Usually, it is $1 and change. So your pilot can be costing you $7 to $10 per month.

Is it safe in the house if the pilot light goes out on the fireplace?

A pilot light may need to be re-lit from time to time after being extinguished on purpose or by accident. If it is accidentally extinguished, there exists a danger that the gas used to keep the flame lit will continue to vent, possibly into the living space.

What happens if pilot light goes off?

So basically your pilot light is responsible for combusting your fuel source, which is how your furnace creates heat. If it goes out, the safety features of your furnace will not allow it to release gas into the burner, meaning that the furnace will not run at all.

Is it OK to leave pilot light on all year?

It's common for spiders to build webs in burner tubes and pilot assemblies. The webs can obstruct the gas flow and cause the fireplace to malfunction. Some homeowners prefer to leave the pilot light on year-round to avoid this problem. It's easier to turn the pilot light off than to turn it back on.

Is it safe to leave the pilot light on?

Safety. One of the main concerns about leaving the pilot light on during summer is the risk of carbon monoxide poisoning. Carbon monoxide is a colorless, odorless gas that can be deadly if inhaled in high concentrations. The pilot light can produce carbon monoxide even when no fire is burning in the fireplace.

Do I need to turn gas off if the pilot light goes out?

All furnaces made within the last 20 years or so are typically equipped with a failsafe electrical shut-off valve. This valve operates automatically and shuts off gas flow as soon as the pilot goes out, preventing any risks of excessive gas buildup.

Should the pilot light be on at all times?

However, it's important to understand the risks of turning off your pilot light. Gas leaks and explosions are just two of the dangers that can occur when your pilot light is turned off unexpectedly. Instead, it's always best to leave the pilot light on when you're not home.

Can I relight the pilot light by myself?

The Short Answer Is: It is generally safe for a homeowner to relight a furnace pilot light, as long as they follow proper precautions and guidelines. To do it yourself, first, turn off the furnace's gas supply and wait for a few minutes to allow any lingering gas to dissipate.

How long to hold pilot light on gas furnace?

Turn the knob or button to the pilot position and light the pilot flame, while holding the button or knob in position. Continue to hold it in the "Pilot" position for approximately 30 to 45 seconds before releasing and turning to the "On" position.

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