VISIT AHR BOOTH C2906 ANSI/ASHRAE/ASHE Standard 170-2021 ANSI/ASHRAE/ASHE Standard 170-2021 provides critical guidance for designers and operators of health care front-line facilities. This latest edition incorporates content in support of the new framework introduced in 2017, which expanded the standard into three distinct sections: hospital spaces, outpatient spaces, and residential health care spaces in alignment with the Facility Guidelines Institute (FGI) Guidelines editions. See the latest signifi cant changes by visiting ashrae.org/bookstore.http://www.ashrae.org/bookstore