To receive the free version you have to order Eco-Sai and select “Basic version”.

To obtain a licence please click on the order page.

Activation code will be sent once we have received payment confirmation. Please note that every licence order is manually checked.

Private clients: Purchasing a license entitles you to install the software in one computer/work station.

Schools: Purchasing a license entitles you to install the software in 5 computers.

Price

Eco-Sai

Basic version

Free

USai Module

building physics

200 CHF / 190 € HT

Upgrading from USai 3.0 : 100 CHF / 90 € HT
Upgrading from Eco-Bat 4.0 : 200 CHF / 190 € HT

ECO Module

life cycle assessment

300 CHF / 290 € HT

Upgrading from USai 3.0 : 300 CHF / 290 € HT
Upgrading from Eco-Bat 4.0 : 150 CHF / 140 € HT

Download

Please read the licence agreement before downloading and installing the Eco-Sai and USai Revit Plugin: licence.

Eco-Sai (includes the USai and Eco modules, which can be activated by purchasing licenses)

Date : 08.11.2023

Version : build 119

Previous versions

Download previous version of USai. Only for licence owner.

USai 3.0

Date : 14.11.2013

Version : build 59

USai 2.0

Date : 07.06.2011

Version : build 41