Energy-saving technologies are innovations designed to reduce energy consumption while maintaining the same level of service. Examples include LED lighting, which uses less electricity than traditional bulbs, and smart thermostats, which optimize heating and cooling based on user habits. These technologies help lower energy bills and decrease environmental impact. Another important category is energy-efficient appliances, such as refrigerators and washing machines that consume less power. Additionally, solar panels harness sunlight to generate electricity, providing a renewable energy source. By adopting these technologies, individuals and businesses can contribute to a more sustainable future while saving money.