Seminar of the Architects and Engineers Chamber, Vienna: „Passive Solar Energy Use – Proven in Practice (Measurement Results and Conclusions for Planning)“ (Reinberg and Treberspurg)

1989.01.27

International Housing Association Congress, New Forms of Housing in Europe, Hamburg: „Residential Group Projects as an Architectural Exercise“.

1989.04.08

IBO-Vienna: „Solar Energy, Passive Solar Use in Housing“ (Reinberg, Treberspurg u. Hofbauer)

1989.04.15

Puchberg Castle Educational Center Conference: „Living and Heating with Solar Energy“ (Reinberg and Treberspurg)

1989.04.22

IBO-Jahrestagung, Althaussanierung und Wohnungsverbesserung, St. Wolfgang; „Sonnenstrahlen – Grundlage der Wohnqualität“ (Reinberg u. Treberspurg)

1989.10.07

IBO annual conference, old house renovation and housing improvement, St. Wolfgang; „Sunbeams – basis of the housing quality“ (Reinberg u. Treberspurg)

1989.11.03