Under certain circumstances, when exceeding beneficial most cooling coil face velocity, water droplets can escape cooling coils and be carried into the air stream, saturating any filth or mud downstream. Because dust and dust function a meals supply for mould and are normally present in all however brand new duct techniques, mold will grow on any duct surface that is still wet. To assist justify the upper costs of ERVs and HRVs, manufacturers will suggest that one or two bathroom exhaust…