[ Events listing ](/en/newsroom/events " Events listing") 23 - 30 March 2023 + Add to my calendar Close - [iCal calendar](https://www.veoliawatertechnologies.com/en/event/calendar/ical/6126/calendar.ics) - [Outlook calendar](https://www.veoliawatertechnologies.com/en/event/calendar/ical/6126/calendar.ics) - [Google calendar](https://www.google.com/calendar/event?action=TEMPLATE&dates=20230323/20230331&text=Compact%20seminar%20-%20Germany&details=How%20to%20operate%20cold%20and%20hot%20water%20networks%20efficiently%2C%20while%20saving%20energy%20and%20money&trp=TRUE&sprop=https%3A//www.veoliawatertechnologies.com/en/newsroom/events/compact-seminar-germany) - [Yahoo! calendar](https://calendar.yahoo.com?v=60&title=Compact%20seminar%20-%20Germany&desc=How%20to%20operate%20cold%20and%20hot%20water%20networks%20efficiently%2C%20while%20saving%20energy%20and%20money&url=https%3A//www.veoliawatertechnologies.com/en/newsroom/events/compact-seminar-germany&st=20230323&et=20230330) **This training will be in German** In one afternoon, you will know how to **optmize water treatment** to **reduce heat loss and maintenance costs.** **Topics:** - Heating systems according to VDI 2035, 2021 edition - new recommendations and limit values, partial flow filtration - AGFW 510 for district and industrial local heating networks - overview and differentiation from VDI 2035 - BTGA 3.003 for closed cooling networks - differentiation from the hot water circulation systems - VDI 2047 for evaporative cooling systems - optimized water treatment and measurement technology as the key to hygienic and efficient operation **You can choose from the following dates:** - Thu, March 23, 2023 | 1:00 p.m. - 5:00 p.m.: NH Hotel Leipzig Messe | Fuggerstrasse 2 | 04158 Leipzig - Tue, March 28, 2023 | 1:00 p.m. - 5:00 p.m.: Best Western Seehotel Krautkraemer | To the Hiltruper See 173 | 48165 Munster - Thu, March 30, 2023 | 1:00 p.m. - 5:00 p.m.: Hotel Breitenburg | Easter wood 1 | 25524 Breitenburg **Please register by March 17, 2023**. We will charge a cost of EUR 50 in case of no-show. [Register here](https://scnem.com/a.php?sid=gqqkd.1tf6egm%2Cf%3D7)