Yes, the Kismile Small Electric Heater is energy-efficient, making it an excellent choice for those looking to reduce their carbon footprint and save on energy costs. By using electricity to produce heat directly, the Kismile Small Electric Heater avoids the energy loss associated with traditional heating methods, such as gas or oil. https://pandemic-help.com/product/kismile-small-electric-space-heater-ceramic-space-heaterportable-heater-fan-for-office-with-adjustable-thermostat-and-overheat-protection-etl-listed-for-kitchen-750w-1500wblack/