I'm working on the flue vent design where there are boilers and furnaces. Some appliances clearly specify a draft hood, but the others do not say anything about draft control devices. I checked the code. It looks like it depends on appliance combustion chambre design (positive, zero, or negative...
Hello Everyone:
From time to time I'm involved with the ventilation design for assembly hall, which is usually for events. ASHRAE 62.1-2007 has description on this kind of ventilation design under short-term condition and provides two equations to calculate time period for average...