Abstract
This paper presents a framework for the development of early-design guidance to inform architects and policy-makers using parametric whole-building energy simulation. The emphasis of the study was to identify and assess the benefit of energy efficiency alternatives primarily focused on the building’s thermal envelope. The energy efficiency alternatives included performance adjustments to the external glazing, wall, roof, floor properties. The Result indicated the glazing selection should look to achieve the highest thermal resistance (R-value) and best solar control (lowest shading co-efficient value) within budget. Ideally a solar control low-e IGU system could be installed. Solar control glazing also reduced the required development cooling capacity by ∼17%.
Highlights
IntroductionEmissions from burning fossil fuels are the primary cause of the rapid growth in atmospheric carbon dioxide (CO2) [1] and natural gas and oil that are primarily used for heating and cooling as well as electricity generation in buildings play an important role in CO2 emissions (U.S Congress Office, 1992)
This paper presents a framework for the development of early-design guidance to inform architects and policy-makers using parametric whole-building energy simulation
Emissions from burning fossil fuels are the primary cause of the rapid growth in atmospheric carbon dioxide (CO2) [1] and natural gas and oil that are primarily used for heating and cooling as well as electricity generation in buildings play an important role in CO2 emissions (U.S Congress Office, 1992)
Summary
Emissions from burning fossil fuels are the primary cause of the rapid growth in atmospheric carbon dioxide (CO2) [1] and natural gas and oil that are primarily used for heating and cooling as well as electricity generation in buildings play an important role in CO2 emissions (U.S Congress Office, 1992). One of the ways of improving energy sustainability is increasing energy efficiency in existing buildings. Investment costs for installing and/or replacing technologies with more efficient ones can be seen by the building owners an obstacle to achieve improvements in energy consumption. This change affects both future CO2 emissions and future energy expenditures. With current emphasis on sustainability, including building energy and indoor environment, design requirements from the involved disciplines have become more important in the early design stages [4]. Specialized building performance modelling software (IES-VE 2015) provided a platform for the energy modelling process. Building geometry The geometry of both the proposed building was input in IES-VE to create the 3-dimensional computer model shown in Figure. 1
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