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Gas Logs Buying Guide

Gas Logs Buyer Guide - Learn About Gas Logs

Gas Logs - Vented or Vent Free?

Do I need a vented gas log or a vent-free gas log? If you have an existing fireplace or firebox, first check if your fireplace has an open chimney flue or damper. The vented gas logs are used when there is open chimney flue to vent the air.

Vented Gas Logs

Vented Gas Logs present large and realistic-looking flames that operates with an open chimney flue or damper. The vented gas logs simulate a real wood-burning fire. Vented gas logs are more decorative than they are an efficient heat source because portion of the generated heat goes up the chimney.

Vent-Free Gas Logs

Vent-Free Gas Logs operate without a chimney or with the chimney flue closed. They do not have the roaring fire effect. Vent-free gas log flames are not as realistic or as high as those of vented gas logs. However, vent-free gas logs are an efficient heat source since 100% of the heat generated stays in the house. Vent-free gas logs add moisture to the air. Therefore it is important to install vent-free gas logs in a room with proper ventilation to avoid mold or mildew.

In most areas, vent-free gas logs are NOT permitted in bedrooms, bathrooms or recreational vehicles. In most jurisdictions in USA, Vent-free gas logs must be installed in an area where there is minimum 36 inches of clearance from edge of fireplace to any curtains, furniture, clothing or other flammable objects are at least. Additionally, vent-free gas logs are not recommended in high-traffic, windy or drafty areas.

WARNING: Before installing any gas log system, check your local and state building and fire codes. In some areas, vent-free gas logs are not permitted. Consult a licensed builder or contractor for more information.

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