HeatWise is designed to improve on similar software like HAP and Chvac. We have all the features you'd expect, with additional tools to make your life easier.
Use our web-app to calculate detailed load breakdowns for your residential and commercial building projects. Load breakdowns give a detailed picture of where the heating and cooling loads are coming from.
Our software runs right in your browser, on any platform (Windows, Mac, Linux). This means no software to install, no updates to worry about, and no compatibility issues.
Specify your building's ventilation and infiltration. Supports manual input or automatic calculations for ventilation and infiltration, as well as calculations for heat or energy recovery.
Specify all components of your building's envelope. Use our intuitive builders to generate libraries of windows, walls, doors, and other components.
Build internal or external shading devices to add to your windows and glass doors. Add any shading device to any window for more realistic scenarios for cooling loads.
Build skylights using our skylight builder, and add them to your building's roofs. Supports manufactured skylights, domed skylights, and more.
Add partitions to separate your conditioned space from semi-conditioned buffer spaces. Use our intuitive built-in buffer space temperature calculation.
Load ASHRAE weather-station data for locations across Canada and the USA. Adjust any location data values to suit your needs.
Our integrated Quick Help system guides you through the input process. Get started immediately without hours of training.
Our load calculator is designed to meet the needs of today's engineering firms and consultants. You'll find familiar features from tools like HAP and Chvac, along with time-saving extras.
Our calculations are based on the ASHRAE 2021 Fundamentals Handbook, an industry standard for HVAC load calculations.
HeatWise runs right in your browser. No need to install software or worry about operating system support.
Get started immediately using our app's integrated help system. No need for extensive training or a huge manual.
We handle ventilation/infiltration, walls, roofs, floors, windows, doors, skylights, shadings, buffer spaces, and more.
HeatWise is under active development. We release new features almost every week, which you'll receive automatically.
Give co-workers read and write access to your projects. Export results to Excel for further analysis.
Let us take the headache out of load calculations for you. We designed HeatWise to be easy to learn and use so that you can get results fast.
