Jet fans, sometimes known as impulse fans or Induction fans are used as part an efficient and reliable car park or garage ventilation system, providing fresh air and removing harmful emissions to ensure the safety of car park occupants. Pollution ventilation can be designed on a traditional volumetric air change rate, or by using CO, LPG and NOx sensor monitoring systems. Emergency ventilation can be designed using volumetric or design fire calculations.
A Thrust Fan System is a duct-free system, relying on a series of strategically placed jet fans, to control and distribute air around the car park. Main extract fans, take the contaminated air out of the car park, with fresh make up air supplied from entrance/exit ramps, or through supply fans. Choice in fan sizes and profiles, operating systems and detection systems allows versatility in the Thrust Fan System design, allowing the most efficient design to meet the car park’s requirements. Extract rates can be varied by constant pollution monitoring. Sensors placed at optimum points around the car park, allowing the control system to regulate which fans operate to dilute and/or extract the contaminated air. The system’s high flexibility allows the most favourable operation both in terms of safety, economy and efficiency.