What S The Difference Between Vented And Ventless Gas Logs

Ventless gas fireplaces differ from vented gas fireplaces in terms of the logs flame patterning and most notably the method of venting.

What s the difference between vented and ventless gas logs. This is so that it can both take in air from the outside and then vent out the by products from the flames inside the fire box. According to the hearth association ventless fireplaces boast efficiency rates of 99 percent compared to 70 85 percent for vented units. This is not as flexible as a ventless gas fireplace. Vented gas logs require a fully functional wood burning fireplace and must be burned with the damper open ventless or vent free gas logs can be installed in either a wood burning fireplace or a ventless fireplace that is rated for aftermarket ventless logs and are burned with the damper closed.

Cost and energy efficiency however make ventless fireplaces attractive to others. Ventless gas logs can achieve a realistic looking fire but the flames often appear blue and may not be as large or as authentic as a vented log set can produce. A custom ventless fireplace ranges between 2 500 4 000 versus 5 000 6 000 for a vented unit faust says. Ventless gas logs are designed to achieve a clean smokeless flame.

Each type of fireplace requires its own type of gas logs to function safely and correctly. With vented fireplaces the flames can run through around and over the logs creating a more chaotic and realistic appearance. They burn so hotly that nearly 100 of the fuel is combusted allowing them to operate safely without a chimney.