We are technicians
We have no presumption of teaching anything to anyone
Our goal is just to make your work easier and faster
Our elaborations will make it easy for you to do many operations and calculations that are a ritual in the normal life of the designer of air conditioning, heating, electricity, security in building sites and more
The site is dedicated to both private and public technical offices, technicians of any level, students and simply enthusiasts
If you want to use the site, you will find in it easy-to-use, elaborate, all strictly free
From now on you can start using any program inside it
Many works are published in "html" format. They are accessible and usable directly from most browsers.
Others are in commonly used formats (Excel, Word, Autocad, pdf, etc.).
Keep in mind that the html documents are optimized for "Google Chrome" as the main browser.