Trench convectors Heating, cooling, and ventilating – depending on the version Aesthetics and functionality in one climate control system. For heating, cooling, and ventilating – depending on the [...] Trench convectors Heating, cooling, and ventilating – depending on the version Aesthetics and functionality in one climate control system. For heating, cooling, and ventilating – depending on the version. Prevent unpleasant cold-air downdraughts and ensure optimal temperature and air conditions, especially in areas with large window surfaces and glass doors. [...]