ASHRAE has released an updated edition of ANSI/ASHRAE/ASHE Standard 170, Ventilation of Health Care Facilities. The standard offers guidance, regulation and mandates to designers of health-care facilities.
The 2021 edition delivers critical guidance for designers and operators of these front-line facilities and incorporates 17 addenda to the 2017 edition of the standard. Changes include:
- Expanded requirements to allow airborne infectious isolation room exhaust discharge to general exhaust under certain conditions.
- Revised scope, with improved guidance on thermal comfort conditions provided.
- Extensive modifications to address the Outpatient and Residential sections.
- Extensive revisions to air filtration requirements.
- Addition of new columns in the ventilation tables to prescribe filtration requirement and designate unoccupied turndown.
- Expanded guidance on separation distance requirements for varied intake and exhaust arrangements, coordinating with related ASHRAE Standard 62.1 data.
- Improved guidance related to behavioral and mental health.
To purchase ANSI/ASHRAE/ASHE Standard 170-2021, Ventilation of Health Care Facilities, visit the ASHRAE Bookstore or contact ASHRAE Customer Service by phone at (800) 527-4723 (United States and Canada), (404) 636-8400 (worldwide) or fax (678) 539-2129.