Engineering tools

IAQP zone calculations, three ways.

Use the AEIRO Zone Calculator yourself, register for an account to save your runs, or request engineering support for a project calculation report.

Download the blank Excel input template

Run it yourself

Zone Calculator

Enter zones manually or upload the engineer input workbook, and the ASHRAE 62.1-2025 Indoor Air Quality Procedure runs every zone with the outside-air solver. Download the combined project PDF when it passes.

Open the calculator

Standalone

Energy Analysis

Run just the outside air energy analysis. Enter the location, operating hours, space setpoint, utility rates, heating type, and how much outside air you plan to reduce, and get monthly savings, peak load reduction, and simple payback.

No IAQP run required

Open the energy analysis

Access

Register or sign in

Create an AEIRO account to use the calculator, keep a history of your runs, and pick up saved projects from any device.

Free for design engineers

Create an account

Done for you

Have it run by us

Send us your completed zone input workbook and project details. Our engineering team reviews the inputs, runs the IAQP calculation, and returns a combined project report for your engineer to review.

Project support; not a sealed design or compliance determination

Request a run