Engineering Tools
Sign in to run the IAQP
The ASHRAE 62.1-2025 Indoor Air Quality Procedure calculator is available to engineers and design partners with an AEIRO account. An AEIRO account is a website login; creating one does not verify an engineering license or approve a project. Your project runs are logged for account history, engineering support and administrator reporting.
Account details and project activity are stored for account services, project history, engineering support, administrator reporting and AEIRO follow-up. Read the account and calculator privacy notice.
Request IAQP calculation support
Start an IAQP project inquiry with our team. You can submit the form without a workbook; a completed Zone Input Workbook is required before the final IAQP calculation. No account needed.
Submit an IAQP request