People use heating systems for space heating and to heat water for showers, sinks and washing machines.
Burners
All heating systems using burners or heating elements, in order to generate the initial heat that can then be transferred to container storage, distribution or directly through a house. Propane and natural gas heating systems using gas burners open flame, such as burner gas stove, heating systems using oil-based specialized burners mix the air and oil vapor and then ignited by an electrical spark.
Containers
According to the U.S. Department of Energy, most ...