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Contact information

For general and technical information about the TRNSYS program, you can contact one of the TRNSYS distributors

You should always contact your distributor first if you are a registered TRNSYS user.

For technical questions and support, please contact:

Matthew J. Duffy , TRNSYS Coordinator  

Matthew J. Duffy
Thermal Energy System Specialists
22 N Carroll St- Suite 370
Madison, WI 53703

Tel: +1 (608) 274-2577
Fax: +1 (608) 278-1475

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