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ANSI/ASHRAE Standards 62.1 and 62.2 are the recognized standards for ventilation system design and acceptable indoor air quality (IAQ). Expanded and revised for 2022, both standards specify minimum ventilation rates and other measures in order to minimize adverse health effects for occupants.
28 sty 2017 · Interpretation 62.2-2016-7 – January 20, 2021 and January 28, 2021 (Refers to the requirements presented in ANSI/ASHRAE Standard 62.2-2016, Section 4 and IC 62.2-2016-6 relating to the operational meaning of the term “outdoor air” with particular emphasis as it relates to exhaust systems.)
29 paź 2021 · ASHRAE offers its Standards and Guidelines in print, as immediately downloadable PDFs, and via ASHRAE Digital Collections, which provides online access with automatic updates as well as historical versions of publications.
The ASHRAE 62.2-2016 Standard allows the use of the alternative compliance path (Appendix A of the Standard) for existing dwellings. This path allows compensation for deficits in local ventilation (kitchens and bathrooms) by increasing the flow rate of dwelling-unit ventilation.
ASHRAE 62.2 has two compliance paths for sizing dwelling-unit ventilation. Normal compliance may be used for new or existing dwellings, whereas alternative compliance may be used ONLY for existing dwellings.
Standard 62.1 is updated on a regular basis using ASHRAE's continuous maintenance procedures. Addenda are publicly reviewed, approved by ASHRAE and ANSI, and posted on the ASHRAE website. Change proposals can be submitted online at www.ashrae.org/continuous-maintenance. The project committee for Standard 62.1 takes formal action on all change
17 lut 2018 · Suction lines should be insulated to prevent sweating and heat gain. Insulation covering lines on which moisture can condense or lines subjected to outdoor conditions must be vapor sealed to prevent any moisture travel through the insulation or condensation in the insulation.
