To meaningfully contribute to meeting the administration’s goal of achieving a 50%-52% reduction from 2005 greenhouse gas emission levels by 2030, and a net-zero emissions economy by 2050, the department of the treasury should align with the U.S. Department of Energy (DOE) and affirm the most recent version of the standard, ASHRAE Standard 90.1-2019, as the reference building standard.
The 2019 edition of ANSI/ASHRAE/IES 90.1, “Energy Standard for Buildings Except Low-Rise Residential Buildings (ASHRAE 90.1),” adopts a new fan efficiency metric, Fan Energy Index (FEI).
Sensored and sensorless control are among the options to satisfy ASHRAE 90.1
February 21, 2020
An increasing emphasis on variable speed pumping as a means to save energy in commercial buildings has provided engineers with many paths to efficient hydronic system design.