Updated: January 5, 2023

Why Gas Fireplaces Have Long Orange Flames While Gas Stoves Have Very Short Blue Flames

Written by:
Timothy Spencer
Edited by:
Brian Dean
Fact-Checked by:
Josh Reynolds
Table Of Contents
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The appearance of a gas flame can vary depending on the gas being burned, the conditions in which it is burned, and the design of the appliance.

In general, natural gas burns with a short, blue flame, while propane gas burns with a longer, orange flame. This is because natural gas has a higher proportion of methane, which burns more efficiently and cleanly, producing a shorter flame. Propane, on the other hand, has a lower proportion of methane and a higher proportion of heavier hydrocarbons, which burn less efficiently and produce a longer flame.

The design of the appliance can also affect the appearance of the flame. Gas fireplaces and stoves are designed to burn the gas in a way that is both efficient and visually appealing. In a gas fireplace, the flame may be designed to be longer and more orange flame in order to create a more realistic and cozy atmosphere. In a gas stove, the flame may be shorter and more blue in order to provide a more precise and controlled heat for cooking.

Overall, the color and length of a gas flame can be influenced by a variety of factors, including the type of gas being burned, the conditions in which it is burned, and the design of the appliance.

Why Gas Fireplaces Have Long Orange Flames

The color of a flame is determined by the temperature of the flame. In the case of gas fireplaces, the fuel being burned is typically natural gas, which has a relatively low energy content. As a result, the flame temperature is relatively low, causing the flame to appear orange.

In addition to the type of fuel being burned, the length of the flame can also be influenced by the design of the fireplace. Gas fireplaces are typically designed to produce a long, diffuse flame that creates a warm and cozy ambiance. This is achieved by mixing the gas with a large volume of air before it is burned, which helps to lower the flame temperature and create a longer, more diffuse flame.

Why Gas Stoves Have Very Short Blue Flames

In contrast to gas fireplaces, gas stoves are designed to operate at higher temperatures in order to cook food more quickly. To achieve these higher temperatures, the gas stove is typically designed to burn propane or butane, which have a higher energy content than natural gas.

The higher energy content of these fuels allows the flame to reach higher temperatures, which causes it to appear blue. The shorter length of the flame is also a result of the design of the gas stove, which typically mixes the gas with a smaller volume of air in order to increase the flame temperature and allow the stove to reach higher cooking temperatures.


In summary, the main difference between the flames produced by gas fireplaces and gas stoves is the temperature of the flame, which is influenced by the type of fuel being burned and the design of the appliance. Gas fireplaces are designed to produce a long, orange flame using natural gas, while gas stoves are designed to produce a short, blue flame using propane or butane in order to reach higher cooking temperatures.

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This article has been drafted by Team BurnEssa. This said team comprises of experts in their relevant fields having sole objective of providing a solution based on facts and figures. We are also running a local store with regard to providing certified services of Gas Cooktop repair & installation. So the advices we provide in this forum are legitimate and genuine to the extent of our best knowledge, experiences and expertise. You can join us on our social media platforms to contribute in helping others.
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