Which type of heating system would most likely include a thermostat for temperature control?

Convection heating systems are designed to distribute heated air throughout a space, often using a fan or natural air flow. These systems rely on circulating warm air, which rises and displaces cooler air, consequently allowing for a comfortable and consistent temperature in living or working areas.

The inclusion of a thermostat plays a critical role in convection heating, as it regulates the temperature by monitoring the ambient air and adjusting the system's operation accordingly. When the temperature drops below a set point, the thermostat signals the heating system to activate, ensuring the space maintains the desired comfort level.

In contrast, radiant spot heating primarily focuses heat directly on specific objects or areas without the broader temperature control mechanisms typically associated with a thermostat. Conduction heating systems lack a central thermostatic control mechanism since they rely on direct contact to transfer heat, and passive solar heating depends on natural sunlight without active control systems. Thus, convection heating is clearly the type of heating system that most commonly utilizes a thermostat for temperature management.