What is a gas log fire
Emily Dawson
Published Mar 08, 2026
Gas logs are a stack of ceramic logs that sit inside your existing fireplace. Gas logs have a gas burner and they come in vent-free and vented options. … Most of the heat that is generated from a gas log set goes right up your chimney – just like a wood burning fireplace.
How does a gas fireplace log work?
Gas Log Installation The pipes pump invisible gas through holes in the logs. When the gas logs are ignited, the ceramic logs will produce a steady flame. As propane or natural gas is pumped through the pipes, it burns harmlessly on the surface of the ceramic logs.
Do gas logs actually burn?
Do gas log embers burn and do they ever need to be replaced? Glowing embers complete the look of many gas logs but do not actually burn. They are made from an organic fireproof material.
Are gas log fires expensive to run?
It’s cheaper than you think. The average Gas Log Fireplace is rated at approx. 34MJ/H meaning with the current price of gas, it will cost just 68 cents per hour to run and will heat up to 100sq/m.Is a gas log fireplace safe?
When installed, ran, and maintained properly, gas logs and gas fireplaces are safe to use. … Not only do gas logs generate more heat, but they’re also much safer than wood-burning fireplaces because there’s less of a risk of fire.
Does a gas log fireplace need to be vented?
Traditional gas fireplaces, like their wood-burning cousins, require an exhaust flue (vent) to remove harmful fumes from the home. When possible, an existing chimney is used to run a new flue, but in a home without a chimney, the high cost to install venting can sideline the project permanently.
Do gas logs need a chimney?
Gas logs are a stack of ceramic logs that sit inside your existing fireplace. Gas logs have a gas burner and they come in vent-free and vented options. Vented gas logs vent up your existing chimney, while vent-free gas logs vent all of the heat, and exhaust, into the house (they do not require a chimney or flue).
Do gas fireplaces heat a room?
Overall, gas fireplaces are highly efficient when it comes to heating a room. Once a fire has been burning for some time, it’s likely to heat a room rather quickly. The type of gas fireplace you have is likely to affect the fireplace’s ability to heat a room efficiently.Do gas fires heat the room?
High heat efficiencies combined with low running costs make gas fires an affordable source of warmth with the authentic real flame effects of log fires. For heating a single room, few heat sources are as quick or reliable as a gas fire. Easy to operate, they can still function even if your boiler breaks down.
Which is better wood burning or gas fireplace?Wood-Burning Fireplace. In the battle for most efficient fireplace, gas fireplace efficiency is always going to win over wood fireplace efficiency. That’s because gas fireplaces burn more cleanly and produce fewer polluting emissions.
Article first time published onAre gas logs worth it?
Gas logs are a much safer heating and aesthetic alternative to a real fire, especially if you have pets, kids, or limited space. Real logs run the danger of producing flying sparks and creosote buildup in the chimney itself, but gas logs produce a tame flame and put less matter into the air when burned.
How long can you run gas logs?
In short, you really shouldn’t let a gas fireplace on for too long—specifically more than three hours at a time.
What is the lifespan of a gas fireplace?
The normal life expectancy for a gas fireplace varies, but it’s been our experience that most fireplaces need to be replaced somewhere between 15-25 years.
Can gas fireplaces explode?
Although convenient, these home gas fireplaces pose significant risk of explosions and house fires if they are improperly installed or maintained. Gas Fireplace leaks can result in carbon monoxide poisoning, but can also result in explosions that can level an entire neighborhood block.
Do gas logs put off carbon monoxide?
Yes, gas fireplaces are one potential cause of carbon monoxide poisoning. … An improperly maintained or ventilated gas fireplace can create incomplete combustion, creating carbon monoxide, and causing this toxic gas to linger—putting those inside at risk of carbon monoxide poisoning.
Can gas logs cause a chimney fire?
Vented gas logs generate some soot and carbon just like wood-burning fires and can leave deposits in the chimney the same way. Don’t forget to get your chimney swept annually.
Can you burn wood in gas fireplace?
To sum things up: never burn wood in a gas fireplace, especially if it’s a gas-only fireplace. There are some types of gas fireplaces that might allow wood burning, but you have to talk to a professional before trying to light up logs on your own.
How much does it cost to put in a gas fireplace?
The average cost to install a gas fireplace is about $4,500 with average prices ranging from $2,500 to $10,000 in the US for 2020 according to Thumbtack.
Are all gas logs ventless?
If the flames reach above the gas logs and the look like a wood burning fireplace, then the logs must be vented. If the flames are small, an have a blue cast, the fireplace is vent-free.
What is the difference between vented and vent-free gas fireplace logs?
Vented and Ventless Gas Logs are a little different. Vented gas logs burn like a real wood fire with a yellow flame that produces smoke. … Ventless (vent-free) gas logs burn cleanly with a lower flame that does not smoke. You can burn them with the damper closed to heat your room.
Are gas fires going to be banned?
The government has announced that by 2025, all new homes will be banned from installing gas and oil boilers and will instead be heated by low-carbon alternatives.
How efficient are gas fires?
In general, balanced flue gas fires have the highest energy efficiency ratings, which are typically in the region of 80 – 85 %. … However, the modern conventional flue gas fires by DRU still have energy efficiency ratings of between 75 and 80%, a far superior performance to ordinary open fronted gas fires.
Is it more expensive to run a gas fire or central heating?
A modern furnace is more efficient in turning gas into heat than a gas fireplace. This means that although a furnace costs more to run per hour than a gas fireplace, it turns more of that energy into heat and can warm a whole house rather than a single room.
What type of fireplace gives the most heat?
So the question is not so much which one emits more heat; it’s which one prevents the loss of more heat. In this regard, the gas fireplace clearly comes out on top. However, we cannot deny the greater pleasure people get from the crackling sound and wonderful aromas of a wood fireplace.
Is gas cheaper than wood?
So, based on our assumptions, it costs about $38 more to heat your home with a furnace burning enough natural gas to equal the heat content of 1 cord of wood, as compared with burning 1 cord of wood in a reasonably efficient wood stove.
How much value does a gas fireplace add to a home?
According to the National Association of Real Estate Appraisers, adding a fireplace to home can increase the resale value of the home by as much as 6-12 percent.
Can you sleep with gas fireplace on?
There is a risk of carbon monoxide poisoning when you sleep in a room where a conventional coal or gas fire, a log burner, a cooker, or a back burner is left on overnight. You cannot feel the early symptoms of carbon monoxide poisoning, so it is important that you protect yourself.
Is it safe to leave pilot light on gas logs?
We recommend that you turn off your gas fireplace pilot light seasonally. Turning off your gas fireplace’s pilot light can save a substantial amount of energy and money. It is important to remember that not all gas fireplaces have “standing” pilot light, or, a pilot light that is “always on”.
Do gas fireplaces require maintenance?
Gas fireplaces are easy and convenient. So much so, that it’s easy to forget that even a gas fireplace needs upkeep every once in a while. To keep your gas fireplace operating safely and in tip-top shape, it’s recommended to perform annual maintenance.
Can you vacuum a gas fireplace?
Vacuum Away Dust and Cobwebs Whether you have lava rocks or glass stones, they will have plenty of dust. … Once the rocks are clean, vacuum all of the corners of the fireplace box to capture dust, cobwebs, and any insects that may be trapped. Use an old cloth to wipe down the pilot light and gas line components.
Is a gas fireplace worth it?
A gas fireplace offers a range of benefits over burning wood in your home, including the ability to instantly turn on, control and turn of the heat from the fire. The advantages of having gas fireplace can outweigh the disadvantages in many scenarios, making a gas fireplace a worthwhile investment for your home.