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Radiator Fresh Air Vent Question
One of my colleagues is doing a project in a historic warehouse/loft type building in the upper midwest which was a commercial bakery. There are what appear to be scuppers under (or above depending on your perspective) the windows which I postulate were for a fresh air intake for a long removed steam system - does anybody have a name for such a system (or link to a patent/brochure)? My assumption it was a fresh air intake where the fresh air was directly heated by a radiator to not chill the building - I would guess that a lot of air went up the oven flues.