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Energy Efficiency 101

Energy efficiency refers to using less energy to perform the same task or achieve the same result.

Reducing energy use in a building focuses on:

  • Transitioning to energy-efficient appliances and equipment
  • Building insulation and weatherization
  • Energy-efficient heating and cooling
  • Lighting
  • Energy management systems
  • Integration with renewable energy
Energy-efficient appliances: washer, refrigerator, dishwasher with Energy Star logo on the right.