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About This Item
Full Description
ANSI/ASHRAE/ASHE Standard 170 offers guidance, regulation, and mandates to designers of health care facilities. The revised 2017 edition incorporates 12 addenda to the 2013 standard andincludes the following significant changes:
- Addition of adiabatic humidifiers as an acceptable type
- Addition of a new type of exam room with lower requirements for less-acute applications
- Clarification around the prohibition of controls to change pressure relationships between spaces
- Reduction in requirements for electroconvulsive therapy procedure rooms
- Reduction in requirements for laboratories when allowed by certain calculations
- Higher requirements for higher hazard exhaust airstreams
- Coordination of space temperature requirements in the Sterile Processing Department withother industry groups
- Clarification of the definition of the primary diffuser array in operating rooms
The standard has also been reorganized into three sections: hospital spaces, outpatient spaces, and nursing home spaces. These changes were made to bring Standard 170 into alignment with the forthcoming 2018 FGI Guidelines.
Document History
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ASHRAE 170-2021
Standard 170-2021 -- Ventilation of Health Care Facilities (ANSI Approved; ASHE Co-sponsored)- Most Recent
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ASHRAE 170-2017
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Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)- Historical Version
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ASHRAE 170-2013
Standard 170-2013 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)- Historical Version
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ASHRAE 170-2008
Standard 170-2008 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)- Historical Version
Amendments, rulings, supplements, and errata
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ASHRAE 170-2017 Errata (October 3, 2023)
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Errata to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE IC 170-2017-13
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Interpretation IC 170-2017-13 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE IC 170-2017-12
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Interpretation IC 170-2017-12 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE IC 170-2017-11
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Interpretation IC 170-2017-11 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addenda j
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Addenda j to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addenda e
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Addenda e to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addenda d
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Addenda d to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addenda a
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Addenda a to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE IC 170-2017-10
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Interpretation IC 170-2017-10 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum m
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Addendum m to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum k
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Addendum k to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum h
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Addendum h to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum p
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Addendum p to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum n
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Addendum n to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum i
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Addendum i to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum c
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Addendum c to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum b
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Addendum b to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum g
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Addendum g to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE 170-2017 Addendum q
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Addendum q to ANSI/ASHRAE/ASHE Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE IC 170-2017-4
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Interpretation IC 170-2017-4 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE IC 170-2017-3
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Interpretation IC 170-2017-3 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE IC 170-2017-2
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Interpretation IC 170-2017-2 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved) -
ASHRAE IC 170-2017-1
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Interpretation 1 IC to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)