Learn HVAC Pro is a one-person project built and maintained by Irfan Khan, an HVAC Supervisor based in Dubai and Sharjah, UAE.
Get In Touch
For questions about any calculator, to report a bug or an incorrect formula, or for anything else related to this site, email:
I read every message myself and try to reply within a few days. If you’re reporting a calculator bug, please mention which tool, what inputs you used, and what result you expected — it helps a lot in tracking the issue down.
You can also learn more about the background of this site on the About Us page.