At the end of the energy audit, the correct strategy for improvement of the energy use of the building is proposed and will factor-in the complexity of the building, as well as the client’s requirements along with their budget and time constraints. That is, an energy audit is a systematic procedure to gain adequate knowledge of existing energy consumption profiles and detect operating problems, improve occupant comfort, identify and quantify cost-effective energy savings opportunities, and report the findings. Thus, with current energy prices the reviewed energy conservation strategies are not economically justified in Iran from the consumer perspective, as investment in the methods considered typical in other parts of the world will not show a return for at least a half-century.Įnergy audits include energy conservation programs which encompass consumption patterns and the identification of specific energy saving measures. The results also demonstrate that although the use of energy-saving solutions has a significant impact on energy consumption, even the most economic solutions investigated will have a payback period longer than one decade. The results show that the existing construction and envelope materials fail to meet the national standards of Iran, but insulating the envelope was found to be a more cost-effective measure than modifying the windows. The impact of typical energy saving solutions was evaluated for three cost refurbishment scenarios: low, medium and high. The building base-load was determined using a linear regression method based on existing energy bills, and was used to validate the computer simulation of its energy usage. In this paper, the energy conservation potential of a residential building located in Iran’s cold climate was investigated through an analysis of its actual energy consumption and through computer simulation. The continuing importance of energy conservation in the building sector has drawn major attention to energy audits of existing buildings in different climates.
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