How to Vent a Ventless Fireplace

Venting a fireplace is an important step in ensuring that your hearth is safe and up to code. But not all fireplaces have the same venting system — some of them are even free from outside vents! Ventless fireplaces require very specific instructions for proper venting, which can be confusing if you don’t know what to look out for.

In this blog post, we’ll discuss the basics of how to vent a ventless fireplace, as well as offer helpful tips on making sure it runs safely and efficiently. Read on for more information so you can confidently get started with venting your own fireplace today!

How to Vent a Ventless Fireplace

When you think about fires blazing inside a home, the last thing to come to mind is that of a ventless fireplace. But with technological advancements in heating and ventilation systems, it’s now possible to have one—even without the need for vents!

Though the thought of having your own smoke-free fire might seem far-fetched, this guide will show you all the steps needed to install and then properly vent a ventless fireplace. From buying and placing the right components properly to connecting them safely for optimal performance — we’ve got it covered so that anyone can get their dream flame in no time!

Why May You Want to Vent a Ventless Fireplace?

1. To Improve Air Circulation

Venting a ventless fireplace allows for improved air circulation throughout the home. This can help to reduce the amount of dust and allergens that are in the air, making it easier for those with asthma or allergies to breathe comfortably indoors.

2. To Reduce Moisture Buildup

Venting a ventless fireplace helps to prevent condensation from forming on walls and ceilings, which can cause moisture buildup and damage to insulation and drywall.

3. To Increase Efficiency

Venting a ventless fireplace allows for more efficient burning of fuel, resulting in lower heating bills each month. It also helps to reduce the amount of smoke and pollutants released into the air inside your home.

How to Vent a Ventless Fireplace in 5 Easy Steps

Step 1: Gather All The Tools You May Need

The very first step is to make sure you gather all the necessary tools and materials that you may need for venting your ventless fireplace. Make sure to have a set of wrenches, screwdrivers, pliers, tape measures, gloves, respirator masks, safety glasses, and other items ready before venting your fireplace.

Make Sure to Have a Set of Wrenches

Step 2: Install A Chimney Liner

The next step is to install a chimney liner. This is an important part of venting your fireplace, as it will help regulate the temperatures and also reduce smoke and fumes. You can purchase a pre-made liner or make one yourself using metal piping and sealants.

Step 3: Install A Fan

Installing a fan is essential for proper ventilation of your fireplace. It helps to draw smoke and fumes out of the indoor environment, which will help reduce indoor air pollution. Make sure that you install your fan in an appropriate location to ensure it works properly.

Step 4: Install An Exhaust Pipe

The next step is to install an exhaust pipe from the fireplace to the outside of your home. This pipe must be securely connected with a sealant to ensure that no smoke can escape back into the home.

Step 5: Test The Ventilation System

The last step is to test your newly installed ventilation system. Turn on your fireplace and see if the exhaust pipe and fan are working correctly by monitoring the airflow. If everything appears to be functioning properly, then you have successfully vented your ventless fireplace!

Some Extra Tips to Vent a Ventless Fireplace

1. Do Not Overuse the Fireplace

Ventless fireplaces come with a limit on how long they can be used at one time. It is important to follow the manufacturer’s guidelines and not use your ventless fireplace for extended periods of time.

2. Install a Carbon Monoxide Detector

Even though ventless fireplaces are designed to reduce emissions, it is still important to install a carbon monoxide detector near the fireplace. This will alert you if there is an increase in the levels of carbon monoxide in your home.

Install a Carbon Monoxide Detector

3. Properly Position Your Fireplace

When installing your ventless fireplace, make sure that it is properly positioned in the room to ensure proper ventilation and prevent toxic fumes from entering your living space. The best location for your ventless fireplace is an open area of the room with no obstructions.

4. Clean and Maintain Your Fireplace

Regularly clean and maintain your ventless fireplace to ensure that it remains in proper working order. This includes cleaning out the ashes, checking for cracks or leaks, and making sure that all gaskets are securely in place. Additionally, always use the right type of fuel for your ventless fireplace, as this can affect how efficiently it burns and operations.

Following these tips will help you ensure that your ventless fireplace is properly vented and operated safely. By taking the time to properly install, clean, maintain, and use your ventless fireplace, you can enjoy a safe and comfortable home environment for many years to come.

Frequently Asked Questions

What Precautions Should I Take When Using a Ventless Fireplace?

When using a ventless fireplace, it is important to take all safety precautions. The most important precaution is to make sure the area around the fireplace is well-ventilated and that air can flow freely. It’s also important to use only approved fuels in your ventless fireplace. This will help ensure that you are not producing any dangerous fumes or particles that could be hazardous to your health.

Additionally, it’s a good idea to install carbon monoxide detectors near the fireplace to ensure that no harmful levels of this gas are present in your home. Finally, regular maintenance of the ventless fireplace should be conducted to ensure proper operation and safety.

What Are Some Benefits of Having a Ventless Fireplace?

A ventless fireplace has many advantages over traditional fireplaces. The main benefit is that they are much more efficient as they don’t require venting, allowing them to put out more heat with less energy usage. Additionally, since there’s no need for a chimney or flue, the installation of a ventless fireplace is much easier and cheaper than installing a traditional fireplace. Finally, ventless fireplaces require much less maintenance, as there are no flues or chimneys to clean.

Ventless Fireplace Has Many Advantages

How Do I Vent a Ventless Fireplace?

Venting a ventless fireplace is fairly straightforward. The first step is to install an approved gas or electric fan that will draw warm air from the room and expel it outside. Additionally, you should install a fresh air intake duct that will draw in clean air from outside and bring it into the room.

Finally, you should also consider sealing any gaps or cracks around the fireplace to help reduce energy loss. By following these steps, your ventless fireplace will be safely vented and ready to use.

Do I Need Professional Help Installing a Ventless Fireplace?

In some cases, it may be necessary to have a professional install your ventless fireplace. This will ensure that all safety precautions are taken and that the fireplace is properly vented. Additionally, a professional can help you select an appropriate fan for your needs and advise on any additional safety measures that should be taken when using a ventless fireplace.

Can I Use a Traditional Fireplace Insert With a Ventless Fireplace?

No, it is not recommended to use a traditional fireplace insert with a ventless fireplace. Ventless fireplaces do not require the same type of ventilation as traditional fireplaces and using an insert could lead to dangerous levels of carbon monoxide in your home. Additionally, some inserts may be incompatible with ventless fireplaces, so it is best to consult with a professional to ensure compatibility before installing any inserts.

How Much Does It Cost to Install a Ventless Fireplace?

The cost of installing a ventless fireplace depends on several factors, such as the type of fireplace and the complexity of the installation. On average, most installations will cost around $1,000-$2,000, but this number can be higher or lower depending on the specifics of your project. Additionally, you may need to purchase additional materials, such as a fan and fresh air intake duct, which can add to the total cost.

When Should I Have My Ventless Fireplace Cleaned?

It is important to have your ventless fireplace regularly cleaned and inspected by a professional. The frequency of cleaning will depend on how frequently you use the fireplace, but it is generally recommended to have it cleaned at least once a year. This will help ensure that the fireplace is operating safely and efficiently and that all safety precautions are being taken.

Ensure That the Fireplace is Operating Safely


Venting a ventless fireplace may seem like a daunting task, but it is actually quite easy when you break down the process. Taking the time to properly vent your ventless fireplace will not only ensure that any smoke or harmful toxins escape your home’s interior but also save you from spending money on ventilation upgrades in the future. 

Now you know how to vent a ventless fireplace! To make sure that you are successful, make sure to pick the right material for venting and display proper awareness of flue temperatures. With these steps completed, you can enjoy your ventless fireplace worry-free. Enjoy!

Angela Ervin

Angela Ervin

Angela is the executive editor of DIY quickly. She began her career as an interior designer before applying her strategic and creative passion to lifestyle and home. She has close to 15 years of experience in creative writing and online content strategy for housekeeping, home decorations as well as other niche efforts. She loves her job and has the privilege of working with an extraordinary team. She lives with her husband, two sons, and daughter in Petersburg. When she's not busy working she spent time with her family.

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