Practices

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Night ventilation strategies

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Addressing successful solutions to counterbalance the energy and environmental effects of air conditioning is a strong requirement for the future. Possible solutions involve the use of passive cooling techniques and in particular of heat and solar protection techniques, heat amortisation and heat dissipation techniques. Recent research has shown that night ventilation techniques may contribute highly to improve thermal comfort in free floating and decrease the cooling energy consumption of air conditioned buildings. The present document presents the principles of night ventilation, the main limitations of the technique, the expected performance, tools to size and analyse the energy potential of night cooling techniques, and finally some succesfull case studies.
Ventilation Information Paper VIP 04 of the Air Infiltration and Ventilation Centre (AIVC) of the International Energy Agency (IEA)