ANSI Standards ANSI ASHRAE ASHE 170-2021 pdf free download – Ventilation of Health Care Facilities ANSI ASHRAE ASHE 170-2021 pdf free download - Ventilation of Health Care Facilities. 4.1.2.2.2 Space Alterations. Alterations to spaces listed in Tables 7-1, 8-1, 8-2, and 9-1 shall comply with the requirements of Sections 6.7, 7, 8,... 02-19 Download Now