DThermX is a reliable software, available 24/7 and always up to date. It allows you to enter data and immediately find your best BPHE solution.
There's no application to install. You simply access this powerful tool via your web browser, with the reassurance of a secured login. You can also save your calculations online and retrieve them whenever you wish.
Log in and use DThermX: dthermx.swep.net
Please note, Internet Explorer is not supported.