Buildings and transportation account for the lion’s share of primary energy consumption globally. This article from the Indian Institute of Technology explains in plain language core theoretical concepts associated with energy building performance such as building orientation, solar energy gains, HVAC systems. It also discusses how alternative sources of energy (biofuels, batteries, geothermal and solar energy) are slowly making their way into the energy demand for building and transport.
Key words: ​ HVAC, energy management

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