Abstract
The main objective of this contribution is to identify the dominant source and the principle reason for high energy consumption. The most reliable method is to provide a consistent assessment of energy consumptions of a farm studio under Saharan weather conditions. Our approach was based on a new model for the prediction of energy requirements; the production of domestic hot water, free (except for solar gains) and internal loads related to lighting, occupants and equipments are fully considered. Economic-financial aspects are assessed according to the electric bill adopted by the Algerian state; annual and monthly energy needs will be evaluated by kilowatt-hours (kWh) and then converted in Algerian Dinars (DZD) or Euros (€).As a result, the net electric energy bill required to maintain comfort in all areas at a temperature of Tcomf amounts to 144171.59DZD/year. The building envelope is the main source of energy loss. According to the technico-economic study, the external integration of an insulating material (thickness of 6cm) in facades and roofs can provide a decrease of 56.05% of the energy loads. Priority will be given to active concepts to reduce energy demand:•A grid-connected PV system feed directly the electrical network and the surplus of energy injected into the national grid network•It is appropriate to consider solar thermal collectors
Published Version
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