https://ves.co.uk/
VES assure good-quality energy efficient ventilation solutions and products
Better air for the built environment is what VES stand for, so you achieve indoor air quality and occupant comfort in classrooms and commercial buildings....
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https://dacs.dk/
DACS | Energy-Efficient Livestock Ventilation & Climate Control
DACS delivers energy-efficient livestock ventilation. Boost animal welfare and cut costs with MagFan, Corona inlets, and ACS climate control systems.
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