Practices

Advanced ventilation - Archaeological museum of Delphi

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The museum of Delphi is situated on the side of Mount Parnassos. It is a free standing building, located next to the archaeological site of Delphi. The site does not contain any other built structures; therefore no features obstruct the solar penetration or the natural ventilation of the building.
The building is fitted with mechanical ventilation, supplemented by openable windows. The original mechanical installation of the building was replaced by an air to air HVAC system equipped with heat recovery. The number of people visiting the Museum at any one time is variable and seasonally dependent. For this reason, the ventilation system includes demand control that allows fresh air to be supplied to the occupied zones only when the carbon dioxide concentration reaches a preset level. In this way, indoor air quality is maintained at an acceptable level even when the exhibition areas are crowded while allowing energy savings to be achieved.

Acronym of the case

AdVent case 1

Author(s) information

Name

M Santamouris

Address

National and Kapodistrian University of Athens

Email

Name

I Farrou

Address

National and Kapodistrian University of Athens

Email

Lessons learnt

The highly insulated building envelope in conjunction with its thermal mass performed well during winter months which were characterised by some days with very low temperatures. Internal temperatures were kept within the comfort zone for the visitors and within the required levels for the displays. Additionally, the demand control ventilation technique, based on the CO2 concentration, (i.e. occupancy pattern), has proved to be a good solution for the provision of adequate ventilation for a building with highly variable occupancy, ensuring acceptable indoor air quality. The implemented energy measures result in excellent energy and environmental building performance and ensure an A energy rating according to the EPBD.

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Funding description

EACI/IEE

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