Distinction between ÖNORM H 5195-1 and VDI 2035 – what heating engineers really need to know
Imagine you’re sitting at the customer’s kitchen table. The new building is almost finished, the heat pump is gleaming in the boiler room – and the manufacturer’s documents are lying on the table. Suddenly, the big question arises: “Do we now have to follow the VDI 2035 or the ÖNORM?” And you think: “So, which […]



