Which gas is primarily indicated for use in residential heating?

Natural gas is primarily indicated for use in residential heating due to its widespread availability, efficiency, and cost-effectiveness. It is supplied through existing pipeline infrastructure, making it accessible in many areas, especially in urban and suburban regions.

Natural gas has a high heating value and burns more cleanly than some other fuels, such as coal or oil, contributing to lower emissions of pollutants and greenhouse gases in residential heating applications. This cleaner combustion makes it a popular choice for home heating systems, including furnaces and boilers.

While other gases like propane and butane can also be used for heating, they are often utilized in areas where natural gas service is not available or for specific applications, such as portable heating. Methane is actually the primary component of natural gas but is less commonly referred to in terms of residential heating when discussing fuel types. Therefore, natural gas is the most practical and favored option for residential heating.