Standard or body

ASHRAE

Also: ASHRAE 62.1, ASHRAE 55

The American Society of Heating, Refrigerating and Air-Conditioning Engineers, whose standards 62.1 and 62.2 (ventilation for acceptable indoor air quality) and 55 (thermal comfort) are the most widely adopted engineering benchmarks for buildings worldwide.

G-0086 · Updated 5 September 2026 · Coridum Research

Why it matters indoors

ASHRAE standards set minimum outdoor-air rates per person and per floor area, filtration classes, and comfort ranges; they are written into building codes across North America and used by reference in the Gulf states and Asia. Standard 241 (2023) added a control-of-infectious-aerosols target after the pandemic. ASHRAE does not set pollutant concentration limits — it specifies the ventilation that should keep them acceptable.

In the literature

  1. Multi-pollutant indoor air quality, ventilation, and cognitive status among nursing home residents with dementia: a pilot cross-sectional environmental assessment in Oklahoma, USA (2026). doi:10.55092/ijee20260012 CKB 1046
  2. Jia Quantifying crowding-ventilation effect on respiratory infections (2026). Nat Commun. doi:10.1038/s41467-026-73470-w CKB 1235
  3. Determination of indoor air quality in collective living spaces utilizing Fuzzy logic analysis Ahmet Çoşgun (Main and Corresponding Author) (2020). Revista de la construcción. doi:10.7764/rdlc.19.3.288-300 CKB 0035

Studies in the Coridum Knowledge Base in which this term is used. The definition follows standard usage in WHO, ISO and textbook sources; it is not quoted from these papers.

CKB = document number in the Coridum Knowledge Base, our curated library of peer-reviewed studies. Follow the DOI for the original paper.

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Coridum Research. ASHRAE. Coridum Knowledge G-0086, 5 September 2026. https://coridum.com/k/G-0086/

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