USai

free version: Calculation of the thermal transmission coefficient (U-value) of a wall, including inhomogeneous walls; underfloor heating and wall cavities. (SIA180, EN ISO 6946); Contains the MaterialsDB.org database

full version: Dynamic characteristics according to EN ISO 13786 (damping factor, dynamic heat transfer coefficient, thermal admittance); Calculating the condensation risk, and the amount of water condensed according to EN ISO 13788, EN ISO 6946 and SIA180; Includes the worldwide monthly weather database, Meteonorm, for condensation calculations in any country. Multilingual: French, Italian, English, German; the results are presented in numerical and graphical form; Full version price (1 computer) : 280 SFr (190 , 150) Screen Shots

Keywords

inhomogeneous thermal transmission coefficient, Dynamic characteristics, condensation risk

Validation/Testing

Tested with example in standards

Expertise Required

Understanding energy in buildings.

Users

First version distributed in 2007. Version 3.0 from October 2011. More than 2000 users.

Audience

Architects, building physics consultants, engineers.

Input

For each element: layers, sections, materials, meteorological data

Output

The results are presented in numerical and graphical form and in reports

Computer Platform

PC-compatible, Windows 98 or higher

Programming Language

Delphi

Strengths

Complies to the standard EN ISO 6946, EN ISO 13786, EN ISO 13788. Print different reports.

Weaknesses

Limited to components sections made of homogenous parallel and plane layers.

Contact

Company:

E4tech Sarl

Address:

Av. Juste-Olivier 2
Lausanne CH 1006
Switzerland

Telephone:

+41 (21) 331 1579

E-mail:

software@e4tech.com

Website:

http://www.usaisoftware.com/

Availability

Software price (1 license = 1 computer):
Core Version, free;
Expert version: $237
Full version: Dynamic characteristics according to EN ISO 13786 (damping factor, dynamic heat transfer coefficient, thermal admittance); Calculating the condensation risk, and the amount of water condensed according to EN ISO 13788, EN ISO 6946 and SIA180; Includes the worldwide monthly weather database, Meteonorm, for condensation calculations in any country. Life Cycle Assessment calculation following the SIA2032.
Multilingual: French, Italian, English, German; the results are presented in numerical and graphical form; Full version price (2 computer) : 390 SFr (325, 270)

http://www.u-sai.com/