Heat is an energy component in the fire triangle or fire tetrahedron that raises materials to their ignition temperature, initiating and sustaining combustion.
Heat is essential for starting a fire, as it provides the thermal energy needed for the chemical reactions between fuel and oxygen.
Heat can come from various sources, such as friction, electrical currents, chemical reactions, or radiant energy.
In preparing this definition, we have drawn from various sources including Legislation, Codes, Standards and industry information, research and knowledge. Like the english language, these definitions may subtly change from time to time. As such these definitions are provided solely on the basis that users will be responsible for making their own assessment of the definition and and are advised to verify all relevant representations, statements and information.