Which type of pilot system is known for being more energy-efficient?

The intermittent pilot system is recognized for being more energy-efficient due to its operation mechanism. Instead of having a constant flame like the standing pilot system, the intermittent pilot system only ignites the pilot flame when needed, which occurs during the firing cycle of the furnace.

This means that when there is no demand for heat, the pilot flame is extinguished, leading to a significant reduction in gas usage compared to systems that continuously burn gas for a standing pilot. As a result, homeowners and facilities can realize savings on their energy bills since less gas is consumed when the furnace is not actively heating.

In contrast, the other systems do not operate in a similarly energy-efficient manner. The standing pilot system requires a continuous fuel supply for the pilot light, leading to higher energy consumption overall. The hot surface ignition system, while also efficient, requires more initial energy for the heating element to ignite the furnace rather than maintaining a low-level flame, and the thermocouple pilot system tends to rely on a continuous flame to operate safely as well. Therefore, the intermittent pilot system’s design provides distinct advantages in terms of energy conservation.