Vented Gas Logs vs. Ventless Gas Logs

A realistic flame vs. superior heating efficiency

In a hectic world where time is at a premium, gas logs are an increasingly popular option for indoor fireplaces. Even with our busy schedules, gas logs help us to sit back and enjoy the timeless tradition of a roaring fire.

It's easy to see why people choose gas logs in their homes: Gas logs are inexpensive to install, easy to use, and require no maintenance. However, choosing between vented and ventless gas logs and is slightly less clear.

An overview of vented gas logs

Vented gas logs deliver the enchanting beauty and  mystique of a classic wood fire. Bright orange and yellow flames and glowing ember beds enhance the ambience of a vented gas log fire.

Because they look and act like a real wood fire, vented gas logs require the same ventilation. A fully functional chimney or damper must always be fully opened when the gas log is lit to ensure proper and safe operation.

Ventless gas logs

A ventless gas log's principle advantage is that it is nearly 100% efficient. Because no ventilation is needed, almost all of the heat from ventless gas logs stays inside your home. This also means that you can add ventless gas logs to any home, even those without fireplaces.

These gas logs can also provide emergency heating during power outages, as they require no electricity to operate. Easy to install, ventless gas logs offer highly efficient, cost-effective heat.

Like vented gas logs, ventless gas logs require a natural gas or propane fuel line directly to your fireplace. The difference is that ventless gas logs don't require a chimney or damper to operate. Before installing ventless gas logs, be sure to ask your local fuel provider about any regulations regarding the use of ventless gas logs in your area.

The conclusion

The main distinction between vented and ventless gas logs is that ventless logs keep significantly more heat inside your home while vented gas logs create a flame that is strikingly similar to a real wood fire. If warmth is your reason for installing gas logs, ventless is the way to go. If you're looking more for ambience, choose vented gas logs.

More information on gas logs