Energy Efficiency - JSS2 Basic technology Past Questions and Answers - page 2

Energy efficiency reduces energy consumption, leading to lower utility bills for households and operational costs for businesses. It also decreases greenhouse gas emissions and supports environmental sustainability by reducing the demand for energy from fossil fuels. Moreover, efficient buildings and appliances enhance comfort and productivity while promoting energy independence and security.

Strategies include enhancing building insulation, upgrading to energy-efficient lighting and appliances (such as those with ENERGY STAR ratings), implementing smart thermostats for optimised heating and cooling, conducting energy audits to identify areas of improvement, and encouraging energy-saving behaviours among occupants. These measures collectively reduce energy use, improve efficiency, and contribute to cost savings and environmental benefits.

Energy-efficient technologies help households and industries reduce their energy consumption and operational costs. They enhance the reliability and stability of energy supply, reduce the environmental footprint by lowering greenhouse gas emissions, and promote sustainable development goals. Additionally, these technologies often qualify for financial incentives and contribute to a cleaner and more resilient energy infrastructure.

Practical examples include showcasing the installation and performance monitoring of solar photovoltaic (PV) systems, demonstrating the efficiency gains from smart home technologies like automated energy management systems, illustrating the impact of building insulation and efficient lighting on energy use reduction, and highlighting the benefits of using energy-efficient appliances and HVAC systems. These demonstrations educate stakeholders about the tangible benefits and feasibility of adopting energy-efficient solutions.

Energy efficiency reduces the consumption of finite resources and minimises environmental impacts associated with energy production and consumption. By optimising energy use in buildings and appliances, it helps mitigate climate change, preserve natural habitats, and conserve water and other resources. It also promotes a cleaner and healthier environment for current and future generations, aligning with global efforts to achieve sustainable development and reduce ecological footprints.