Gas Log FAQ'S

A blazing fireplace without the wood

Gas logs deliver the cozy ambience of a fire in the fireplace without any of the preparation, maintenance, and cleanup that real wood fires demand. They provide stunning realism and warmth, as well as safety features to put your mind at ease. You can add gas logs to an existing fireplace or installed in ventless versions very inexpensively and can also be used as a back-up heating source during power failures because they require no electricity.

What do gas logs use for fuel?

Gas logs use either natural gas or liquid propane. Natural gas logs are the most popular option and typically generate more heat than logs that use liquid propane, which are generally used only in places where natural gas is not available.

How are vented gas logs different from ventless gas logs?

The primary difference is that ventless gas logs can be operated with the chimney damper closed, which keeps significantly more heat in your home while vented gas logs operate with the damper open to produce a flame that looks more similar to a real wood fire flame. Basically, ventless gas logs provide more warmth than ambiance and vented gas logs provide a more realistic flame with stronger ambient firelight.

How much does installation cost?

The cost of installing gas logs varies by the particular job and installer. While there is no standard cost for installing gas logs, it is highly recommended that you use only certified professionals to install gas logs. Check with your local fuel provider for a  list of qualified installers in your area.

Are gas logs expensive to operate?

Because they are nearly 100% efficient, ventless gas logs are generally quite inexpensive to operate, depending on actual fuel costs. A gas log's BTU (British Thermal Unit) output determines how much fuel it will use. Contact your local gas provider for current information regarding specific gas and operation costs.

Which produces more heat, vented or ventless gas logs?

Because most of the heat generated by vented gas logs is lost through the open chimney damper, they are more ideal for ambient light and a realistic flame. Ventless gas logs are much more efficient, and therefore use less energy to generate more heat in the home.

How do I determine the right size gas log for my fireplace?

Use your fireplace's measurements to help find gas logs that do not fit too tightly along the side and back walls.

Can I adjust the flame on gas logs?

Typically, gas logs do not have adjustable flames but some models with rotary control valve options allow you to regulate the flame.

How do I know that my gas log is safe?

The American National Standards Institute (ANSI) maintains strict standards for many heating products, including ventless gas logs. A gas log that complies with the ANSI standard Z 21.11.2 is considered safe for residential operation.

How are gas logs constructed?

Gas logs are made up of the burner and the fireproof "log" that conceals it. These logs are usually made of molded refractory cement, fired ceramic clay, or molded ceramic fibers.

Do gas logs require any special maintenance?

Outside of periodic professional inspection of its gas lines, valves, connections, and pilot, gas logs require no particular maintenance to remain in proper working order.

If you wish to clean your gas logs, first make sure they are off and have cooled to room temperature. Brush gas logs with a soft bristled brush or duster to remove any dirt or dust. Do not remove gas logs from the burner or the fireplace and never use water or other solvents to clean gas logs.

Can I burn wood in my gas log fire?

Never attempt to supplement a gas log fire by adding any combustible material to it, including wood. Nor should you remove gas logs from the fireplace to burn wood. The additional heat created by burning wood can damage gas logs and void your warranty.

How is indoor air quality affected by ventless gas logs?

Clean-burning ventless gas logs meet or exceed the strict guidelines for indoor air quality set by the American National Standards Institute.

Are ventless gas logs legal in every state?

Currently, California and Montana are the only states that do not allow ventless gas logs in any building or vehicle. Check with your local gas company for more information regarding ventless gas logs your area.

What are some optional controls for my gas log?

Base models of gas logs include controls inside the fireplace to ignite the gas logs. Some models can be operated by remote control or wall switch while others can be controlled by thermostat or timer to increase efficiency.

What is the difference between standard and see-through gas logs?

Standard gas logs are for standard, front-view fireplaces. See-through style gas logs are specifically designed for multi-sided fireplaces. These gas logs have a special burner system that directs the fire in such a way that it looks appealing and natural from various angles.

Should I use a carbon monoxide detector in conjunction with a gas log?

Any energy source can produce carbon monoxide, which is why a detector is recommended in every home.

What is the purpose of a safety pilot on a gas log?

A gas log safety pilot stops the flow of gas in the event that the pilot goes out or the normal flow of gas is irregular. This automatic shut-off valve prevents the buildup of gas in the home or stops the flow of gas to the gas log if the fire becomes too hot.

Should I shut off the pilot on my gas log during the summer?

It is not necessary to shut off your gas log pilot during summer months when your gas log is not in use but doing so may save money on fuel costs.

Do the embers around my gas log burn and will they ever need to be replaced?

The glowing accent embers that complete the look of many gas logs do not actually burn and therefore do not need to be replaced. They are made of a mineral called rockwool that is organic and fireproof.

More information on gas logs