A collection of presented papers at EuroSun'96 Congress in Freiburg, Germany. Four papers are presented orally, two by poster.Verbally presented papers* Furbo Simon and Shah Jivan Louise, OPTIMUM SOLAR COLLECTOR FLUID FLOW RATES.* Holck Ole, MODELLING OF MICROCLIMATE IN COLLECTORS.* Saxhof Bjarne and Engelund Thomsen Kirsten, TWO DIFFERENT ROWHOUSES IN KOLDING - THE EFFECT OF ORIENTATION.* Svendsen Svend, ACCELERATED TESTING OF SOLAR COLLECTOR DURABILITY.Poster session presented papers* Heller Alfred, A SIMPLE ATRIUM AIR MODEL.* Shah Jivan Louise and Furbo Simon, OPTIMISATION OF MANTLE TANKS FOR LOW FLOW SOLAR HEATING SYSTEMS.