Psychrometrics

Psychrometric calculations and interactive Charts.
Calculate air properties, plot points and processes on the psychrometric chart, build complete systems, and export project reports to PDF.
Whether you're analyzing a single air state or organizing a full HVAC workflow, Psychrometrics gives you the tools to work faster and more clearly on iPhone, iPad and macOS.

Key Features

Psychrometric Calculator
Calculate dry-bulb temperature, wet-bulb temperature, relative humidity, humidity ratio, dew point, enthalpy, and other key air properties.

Interactive Psychrometric Chart
View psychrometric points and processes directly on the chart. Tap anywhere to instantly read the air properties at that point.

Psychrometric Processes
Model common HVAC processes including Cooling Coil, Adiabatic Mixing, Sensible Heating, Heating & Humidification, and Evaporative Cooling.

Psychrometric Systems
Create points, connect processes, and organize complete psychrometric systems for your projects.

SI and IP Units
Switch between metric and imperial units to match your workflow and project requirements.

Project Saving and Management
Save, load, and manage multiple psychrometric systems whenever needed.

PDF Export and File Sharing
Export project tables and charts to PDF, and share project files across iPhone and iPad.

Built for iPhone, iPad, and macOS
A clean interface designed for fast, practical psychrometric work.

Light and Dark Mode
Choose between light and dark appearance to match your preferences.


Feedback is always welcome and helps shape future updates.