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DOE unveils new efficiency standards for federal buildings

Designed for HVAC professionals, the 2019 edition of ASHRAE’s Standard 90.1 code includes more than 100 energy-focused updates since the last edition was published in 2016. In addition, the 2021 IECC incorporates significant changes over the 2018 edition, including:

  • Increased insulation requirements and reduced fenestration U-factors and solar heat gain coefficients for both residential and commercial provisions.
  • Updated mechanical equipment efficiency requirements, new provisions for data centers and plant growth lighting.
  • Increased lighting efficacy and decreased lighting power density requirements for commercial buildings.

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