Energy Useful Effect and End Use
The exploitation of energy sources and the entire pathway of energy vectors in time and space have a main purpose: to meet the needs of human beings in order to make their lives more comfortable, more productive and socially active. Human beings do not directly need any energy sources or vectors additional to food; they have concrete and easily identifiable needs, and energy is aimed at meeting these needs.
KeywordsHeat Pump Thermal Comfort District Heating Luminous Flux Predicted Mean Vote
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