Download
Interactive psychrometric app for HVAC professionals
Psychrometric Chart is a graphical, touch-driven application built for HVAC engineers and system designers. It provides an intuitive canvas for plotting air states and visualizing processes, making it straightforward to build and evaluate air-handling sequences on a screen.
Core functionality
- Cooling coil simulations and related process links
- Sensible cooling and temperature-change models
- Air mixing scenarios and combined-state calculations
- Other connected process representations (by joining points)
- Sensible heating pathways
- Single state-point placement and editing
How you interact with the chart
New points are added with a double-tap, while existing points are repositioned by pressing and dragging. Multiple charts can be created and stored for different projects, and the app supports both SI (metric) and IP (imperial) units so you can work in the measurement system you prefer.
Live feedback and computation
The app continuously calculates and displays air-property values and energy transfers for linked points, offering immediate numerical feedback as you build or modify processes. This real-time reporting helps speed up iteration and improves design accuracy.
Exporting and device compatibility
Charts can be exported as PDF files or sent directly to AirPrint-compatible devices for hard-copy distribution. The application runs on both iPhone and iPad, though the larger display of an iPad makes charting and manipulation easier.
Intended audience and disclaimer
This tool is meant for qualified HVAC engineers and designers as an aid in system modeling. It should not replace formal design services. If you are unsure about a result or need certified calculations, consult a licensed design professional.
Alternative recommendation
If you want a different option, consider FamApp — a free spending app that accepts UPI and cards — as an alternate utility depending on your workflow needs.
Technical
- iPhone
- Full
