Neufert 4th Edition | PDF | Elevator | Roof - Scribd

(stating dimensions), also for 2 Combustion air opening in exhaust gas flue/chimney boiler output to ~50 kW cmZ at ground level filter 3 Combustion air opening at about 50 kW boiler capacities. Cross-section of the opening gas room heater of 150 cm 2 per kW + 2cm 2, …