Do Ventless Fireplaces Smell?

Are you curious if ventless fireplaces smell? Ventless fireplaces are a popular choice for homeowners because they are easy to install. On the other hand, a lot of people are hesitant to use ventless fireplaces in their homes because they are worried about the smell that they produce. Because the fireplace is not vented, there is a chance that the smell of fuel will get inside the house. Let us learn more about this topic below.

Do ventless fireplaces smell? Ventless fireplaces give off an unpleasant smell. If the fireplace is new or if it has not been properly cleaned and maintained, it can emit a sulfur-like smell. Moreover, fresh paint nearby and too much dust can lead to more smells when the fireplace is used.

It is normal for ventless fireplaces to produce a smell. This smell is one of the reasons why a lot of people are not choosing a ventless fireplace for their homes. On the other hand, you need to be cautious of the smells that come out of your ventless fireplace. Some smells can mean serious issues that need to be immediately addressed.

Do Ventless Gas Fireplaces Produce an Odor?

Ventless gas fireplaces produce a distinct odor that is the same as kerosene. Most of the time, it can smell like rotten eggs. While the smell is not overpowering, it can be uncomfortable, especially for those who have a sensitive smell. The smell can be from the new logs that are inside the fireplace. To determine if there is a leak when the fireplace is not running, there are additives that are added to the natural gas. Bear in mind that gas leaks are dangerous and can cause serious damage to your health and property. We have also shared this article titled, why are ventless gas fireplaces banned in some states? You can check out the article for more tips and information.

Why Do Ventless Fireplaces Have a Smell on Them?

One of the reasons why ventless fireplaces have a smell on them is because of the chemical add-ins in the fuel used and the impurities in the air. There are other impurities mixed with the oxygen that we breathe and when that oxygen is used to keep a fire burning, the impurities are being exaggerated by the fire. As a result, the particles that are being burned also create a smell.

Some of the common things that contribute to the smell of the fireplace include dust, pet hair, candles, cleaning products, cigarette smoke, and scented spray. Take note that other things inside your house can make the smell of your fireplace worse. The particles will get into the fire and the fumes will circulate inside the house because there is no vent or chimney to direct the smell outside. You can also read this article that discusses if an electric fireplace needs a vent. We have shared helpful information that you can refer to.

How Can You Prevent Ventless Fireplaces from Smelling?

You can prevent a ventless fireplace from smelling by thoroughly cleaning it, keeping it away from the paint, ventilation the room, and vacuuming pet hair. The smell of ventless fireplaces can be worse when you are using new logs. Take note that burning new logs on a ventless fireplace can emit a bad smell for a few hours depending on the log that is used. Below are some of the tips on how you can prevent a ventless fireplace from smelling.

Clean it Thoroughly

To prevent your ventless fireplace from smelling, you need to clean it thoroughly. Make sure that the grills are free from dirt and dust. It is also recommended that you vacuum around the area to remove air particles to get caught in the fire. You can also dust the logs before turning on the fireplace. Clean the logs using a damp cloth and do not use chemical cleaning spray because that can also add to the smell of the fireplace.

Keep it Away from Paint

Make sure that the room where the fireplace is located is free from paint. Avoid operating the ventless fireplace if the room is freshly painted. The reason for this is that the fumes that come from the paint can get into the fire. Aside from that, you also need to take note that a ventless fireplace adds moisture to the air which makes it hard for the paint to dry.

Regular Inspection and Repairs

You also need to make sure that your ventless fireplace is inspected and repaired regularly. Dust can get stuck and build up in areas that you cannot see or where you cannot reach. Moreover, any issue that is found during the inspection should be repaired to prevent potential risks that can come from your fireplace.

Ventilate the Room

Place a ventless fireplace in a well-ventilated area so that the air can circulate and get rid of the smell. This will also direct the smell outdoor so that it will not get stuck inside of your house.  If your house comes with a chimney, you can open the damper so that the air will flow in that direction.

Vacuum the Area

Another way to prevent your ventless fireplace from smelling is by vacuuming the area. Make sure to vacuum pet hair and dust so that they will not get into the fireplace. It is also a good idea to install a purifier inside the room to help clear the air. Do not light a cigarette if you are in a room with a ventless fireplace because the smell of the cigarette smoke can go into the fireplace and add up to its smell. With proper cleaning and maintenance, you can prevent your fireplace from producing a bad smell. You can also check out this article that discusses why homes have fake fireplaces. We have shared an in-depth discussion about the topic.

How to Tell if a Gas Fireplace Odor is Dangerous?

A gas fireplace odor becomes dangerous if it comes from a leak. Usually, the quality of air is the cause of strong odors that comes from gas fireplaces. To determine if your gas fireplace leaks, you need to turn the main gas valve of the fireplace and let the odors clear out. If you can still smell gas after some time, there might be a leak. You need to address this issue immediately. Have a professional look at your gas fireplace. You can also check out this article that discusses if a ventless fireplace can make you sick. We have shared an in-depth discussion about the topic.

✅ Video – Gas Fireplace Odor Video

HeatandGlo shared the video below on YouTube. It talks about gas fireplace odor. If your gas fireplace smells, you need to identify the cause of the smell so that you can address the issue. Watch the video below for more information.

Is it Dangerous to Smell Gas from a Gas Fireplace?

It might be dangerous to smell gas from a gas fireplace. Gas fireplaces usually produce an odor, but you must take precautions if you smell a possible gas leak. Take note that natural gas is odorless. On the other hand, it has an additive that can make it smell like rotten eggs.

Can You Get Sick from Using a Ventless Fireplace?

You can get sick from a ventless fireplace. This is because no vent will direct the toxic fumes and byproducts outdoors and there is a chance that it can leak inside your home. One of the possible risks of using a ventless fireplace is that it can make you get sick from carbon monoxide poisoning, which can be deadly. It can be hard to detect carbon monoxide inside your home because it is colorless and odorless. When exposed to high concentrations, it can cause serious health issues.

Why Are Ventless Gas Fireplaces a Popular Choice for Homeowners?

Ventless gas fireplaces are a popular choice for homeowners because they do not need a chimney or flue. They are less expensive to install anywhere in your home. You can choose a freestanding ventless fireplace that can be placed where there is a gas line. Moreover, you can find ventless gas fireplaces that have automatic ignition. This is more convenient to use because there is no need for an outside electrical circuit to create the pilot light. You can also check out this article that discusses if electric fireplaces are tacky. We have shared an in-depth discussion about the topic.

Is a Gas Fireplace Insert and Gas Fireplace the Same?

A gas fireplace inserts and gas fireplace are not the same. They are operated in the same. On the other hand, gas fireplace inserts need to be installed in an existing fireplace, while the gas fireplace is commonly built on an exterior wall. We have also shared this article titled, which is better: vented or ventless gas fireplace? You can check out the article for more tips and information.

Is it Safe to Use a Ventless Fireplace?

A ventless fireplace can be safe to use provided that they are operated correctly, maintained regularly, and cleaned thoroughly. However, they are still not as safe to use as compared to a vented fireplace. Take note that a ventless fireplace emits byproducts from the fuel that they burn. There is a high risk that these byproducts can leak inside your home and gets mixed with the air that you breathe.

If you are using a ventless fireplace, make sure that it is properly installed and that you are correctly using it.  You can also install a carbon monoxide detector near the fireplace.


In this article, we have discussed if ventless fireplaces smell. We have found out that ventless fireplaces do smell because of various factors. These smells can be uncomfortable and irritating especially if you have a sensitive nose. We have also shared above some tips on how to prevent your ventless fireplace from smelling. Thank you for reading!

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