1930s house sustainable renovation with PVT-panels as source for the heatpump

Challenge 1930s house sustainable renovation with PVT-panels as source for the heatpump: The typical 1930s home of Mr. Mol from Heiloo, The Netherlands is a pointed roof house with large 60-degree roof surfaces. Built in 1938, the house was also completely original inside. With gas heater and emergency shower in the utility room. In 1996 it…

Housing corporation Vivare revives old high rise

Challenge How do you make a 40-year-old high rise sustainable? And save 60% on gas consumption / heating bill? The housing corporation Vivare, which is active in the Arnhem region with some 25,000 housing units, had this question in mind for some time: how can we make existing housing complexes more sustainable and how can…

5 apartments build on top of existing flat

Lightweight and energy-neutral Optop homes on top of existing apartment building: On top of the Heiligharn apartment building in Den Helder, an extra layer of homes has been built. This new building is highly innovative, as it is not only lightweight but also sustainable and almost energy-neutral. The five new penthouses crown the radical renovation…

Sustainably heated industrial building with PVT panels and heat pump

Interview Director André Vennegoor of Vennegoor Installations from Weerselo in Overijssel, The Netherlands is a great fan and collector of old tractors of the Deutz brand, whose history dates back to 1864. In order to optimally preserve his impressive collection of overhauled classic tractors and a beautiful Magirus – Deutz oldtimer camper, he even had…

Heating-monumental-home-heatpump-PVT-solar-panels

The challenge How can you make monumental municipal homes off the grid without an extreme renovation? Technische Unie facilitated the sustainability of six homes in the village of Nagele in the Noordoostpolder. To make six municipal monumental homes more sustainable and disconnected of gas as a heating source. The Hendrick de Keyser Association – owner…