Advantages
- Superior levels of comfort resulting in occupant satisfaction
- Greater design freedom for architects
- Lower air velocities in the occupied zone and thus no draughts
- No-air regenerated noise
- Low operating costs
- Easy retrofit
Passive cooling systems are a good solution for internal spaces with high heat loads and also important in the context of comfort. The air quality is maintained by a centralised or decentralised mechanical ventilation system. Passive chilled beams or chilled ceilings can supplement the ventilation system by dissipating heat loads using only water as a transport medium. Highest energy efficiency is achieved by optimised sizing of both systems.
In new construction projects many architectural ideas can be realised with passive cooling systems. High levels of comfort, best occupant acceptance, and low operating costs are the result.
A passive chilled beam or chilled ceiling can be installed into an existing building as part of a refurbishment programme. If the heat loads increase beyond the cooling capacity of the existing air conditioning system then a passive cooling installation can make up the shortfall.
