Enter the length and width of the fireplace into the calculator to determine the maximum length and width of the vented gas log.

## Vented Gas Log Formula

The following formula is used to calculate the maximum size of a vented gas log.

L = FL - 3

W = FW - 3

- Where L is the length of the gas log (inches)
- W is the width of the gas log (inches)
- FL is the fireplace length (inches)
- FW is the fireplace width (inches)

To calculate the length and width of a vented gas log, subtract 3 inches from both the length and width of the fireplace.

## What is a vented gas log?

Definition:

Vented gas logs are natural-looking fake wood logs that go in conventional fireplaces to produce flame and heat.

## How to calculate the size of a vented gas log?

Example Problem:

The following example outlines how to calculate the maximum size of a vented gas log.

First, determine the length of the fireplace. In this case, the fireplace is 30 inches long.

Next, determine the width of the fireplace. For this example, the fireplace has a width of 20 inches.

Finally, calculate the maximum length and width of the log using the formulas above:

L = FL – 3

W = FW – 3

L = 30 – 3

W = 20 – 3

L = 27 inches

W = 17 inches

## FAQ

**What are the benefits of using vented gas logs over traditional wood logs?**

Vented gas logs offer convenience and cleanliness compared to traditional wood logs. They eliminate the need for chopping, storing, and hauling wood, and there’s no ash or soot to clean up after use. Additionally, vented gas logs can provide a consistent, controllable flame and heat output without the unpredictability of wood fires.

**Can vented gas logs be used in any fireplace?**

Vented gas logs are designed for use in existing wood-burning fireplaces with a functioning chimney or venting system. It’s essential to ensure the fireplace and chimney are in good condition and properly sized for the gas logs to ensure safe and efficient operation. Consulting with a professional is recommended to assess compatibility.

**How do I maintain my vented gas log set for optimal performance?**

Regular maintenance of vented gas logs includes checking the condition of the logs, burner, and ignition system, ensuring the venting system is clear, and cleaning any dust or debris from the logs and fireplace. Annual inspections by a qualified technician are recommended to check for gas leaks, proper ventilation, and overall condition to ensure safe and efficient operation.