Sustainability in the construction sector has gained significant attention in recent years, as the industry recognizes the need for greener and more socially responsible practices. This paradigm shift stems from the understanding that construction activities have a substantial impact on the environment, consuming large amounts of energy, water and raw materials, while generating significant amounts of waste and carbon emissions. To meet these challenges, sustainable construction aims to minimize negative environmental and social impacts throughout a building s life cycle. Incorporating sustainability principles into the construction sector involves several key elements, such as energy efficiency, which plays a key role in sustainable construction. Photovoltaic solar energy aims to minimize dependence on non-renewable energy and reduce greenhouse gas emissions. In conclusion, sustainability in the construction sector involves integrating environmentally responsible practices into all stages of a building s life cycle. The energy performance of buildings has become a concern in Brazil, increasingly focused on sustainability and renewable energy, this concept refers to the measurement of a building s energy efficiency. With energy consumption and greenhouse gas emissions on the rise, it is imperative to assess and improve a building s energy performance in order to mitigate the negative consequences of climate change and reduce the building s energy bills. Several international standards and certifications, such as LEED (Leadership in Energy and Environmental Design) or BREEAM (Building Research Establishment Environmental Assessment Method), provide frameworks for assessing and certifying the energy performance of buildings. These programs emphasize sustainable design, energy efficiency and the reduction of environmental impact, improving the energy and environmental sustainability aspects of buildings. In conclusion, the energy performance of buildings is a critical aspect of achieving sustainability goals and mitigating climate change. Implementing energy-saving measures and adhering to international standards and certifications can lead to improved energy performance and reduced environmental impact.