Four Fast Facts

Energy Efficiency in Commercial Buildings

It’s all about buildings:

  • Large buildings (over 100,000 square feet) are 2% of buildings but consume over one-third of total energy in commercial buildings

  • Buildings account for 30% of global energy consumption

  • ASHRAE’s Energy Conservation Standard 90.1 and the resulting building codes have reduced energy usage in buildings by 50%
    over the last 45 years

  • Nearly Half (46.3%) of all Commercial Buildings in the U.S. were Built Before 1980