ASHRAE 62.1 Outdoor-Air Ventilation

Breathing-zone and zone outdoor airflow per ASHRAE 62.1 §6.2.2.1. User supplies Rp / Ra from the AHJ-adopted edition; the tile does not bundle Table 6-1.

Run the calculator

Formula and source

Vbz = Rp * Pz + Ra * Az. Voz = Vbz / E_z. Per-person and per-area ratios surface the design density.

ASHRAE 62.1-2022 §6.2.2.1 (single-zone breathing-zone procedure). AHJ-adopted edition governs.

Audience

This tile is built for hvac and the adjacent professions in the HVAC group. The interactive calculator runs entirely in your browser. No account, no fee, no advertising, no tracking.

Related tools

Posture

Rough Logic answers the math question the working professional asks on the job. The site is a calm, fast, ad-free, account-free, ever-free reference. It does not interpret code. It does not replace the licensed professional. It does not store your inputs. The Authority Having Jurisdiction governs all installations and inspections.