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Vented vs. Ventless Gas Logs

A cozy and modern living room with a fireplace

A gas log fireplace can provide much-needed warmth and comfort for your family. The two types of gas logs are vented and unvented. Each is effective and will work well for heating your home. Both vented and unvented gas logs work well to provide heat, but they differ. The professionals at Meetze Plumbing can answer your questions and help you figure out which gas logs will work best in your home.

Vented vs. Ventless Gas Logs

Gas logs are either vented or unvented. Both are effective when used correctly. The type of gas logs you purchase will depend on the gas fireplace you have in your home. Knowing the similarities and differences between each one is essential.


Both vented and unvented gas logs will produce heat and warm your home comfortably. They both work similarly with regard to how they’re lit and the safety measures you must take to ensure your fire risk is low.


The primary difference between vented and unvented gas logs is that vented gas logs require a vent to operate safely. They must have a flue or chimney in place to allow the carbon monoxide emissions produced by the gas logs to escape. Unvented gas logs do not require any event because they don’t produce any hazardous emissions. Another primary difference is that unvented gas logs will provide more heat. Vented gas logs will lose heat up the chimney as the emissions escape.

How Do Gas Logs Work?

Gas logs are placed on thin pipes with holes where natural gas or propane flow through. Once the gas is lit, the ceramic heats up and produces a steady stream of heat for as long as the gas is turned on.

Where Do They Work Best?

Gas log fireplaces can be put in most rooms in your home. They are often found in living rooms, bedrooms, family rooms, dining rooms, and patios. Unvented logs can be used anywhere, while a vented log system must have a functioning fireplace.

Which Is Best for My Home?

Choosing the best gas log fireplace for your home will depend on whether you have a working fireplace. If you don’t, an unvented system will need to be installed. An unvented system will provide the maximum heat and be more energy-efficient.

Choose Meetze Gas Logs Services!

Meetze Plumbing offers gas log services for both vented and unvented systems. Our professionally trained technicians can maintain and repair gas logs as needed. We are open seven days a week to provide quality service to all our clients in the Columbia, South Carolina, area.

For over 40 years, Meetze Plumbing has offered gas log services throughout Columbia, South Carolina. Call (803) 732-3747 today to schedule a visit by one of our trained professionals.

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