VVS-dagene 2026 will take place from 14 to 16 October 2026 at NOVA Spektrum in Lillestrom, Norway, and is positioned by the official site as one of the country's key meeting places for energy and environmental technology.

The fair focuses on ventilation, heating, cooling, sanitary and energy-efficiency solutions for suppliers, manufacturers, contractors, consultants and decision-makers. The homepage also states that the 2024 edition attracted more than 12,500 trade visitors, more than 180 suppliers and filled two halls.