The 24th AIVC and BETEC Conference, Ventilation, Humidity control and energy, was held in Washington D.C., USA, 12- 14 October 2003.

Contains 56 papers 

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The building envelope is primarily an environmental separator, which allows indoor spaces to bemaintained at different conditions from the outside environment.
Pasqualini P., O’Malley L.
The knowledge of indoor air humidity in the design phase is important to decide on the appropriate moisture control measures to prevent moisture problems in building components.
Janssens A., Hens H.
In France, in non residential buildings, these systems are generally controlled by either a CO2 sensor or optical movement detection (infrared).The part of the study we present here was to determine :- laboratory tests methods to assess the perfor
Villenave J.G., Bernard A.M., Lemaire M.C.
In highly insulated residential buildings, complying with the Passive House Standard, the space heat demand can be covered by air heating at air flow rates given by air quality requirements, without the need for additional air re-circulation or fo
Dorer V., Haas A.
The IEA ECBCS Annex 36 deals with the energy retrofit of educational buildings.
Heike Kluttig, Hans Erhorn, Ove Morck
Ventilation and comfort assessment of buildings is not a new practice in post occupancy evaluation (POE) of buildings.
Luther M.B., Ilozor B.D.
Effective weather resistive barriers (WRB) perform important functions in retarding waterentry into walls and in controlling water vapor movement as well as the amount of energyattributed to air leakage (Burnett, 2000; Weston et al 2001).
M. Bomberg, M. Pazera, J. Zhang, T. Mungo ,F. Haghighat
The Norwegian Building Research Institute (NBI) has completed a study of the performance of balanced residential ventilation systems with heat recovery (HRVs) in Norway.
Schild P.G., Brunsell J.T.
The use of natural ventilation systems continues to be a popular feature in low energy, sustainable building design.
Sharples S., Chilengwe N.
Findings about sick building syndrome in Sydney’s offices are presented. The aim is to ascertain whether perceptions of sick building syndrome in offices impact on discrete aspects of workplace performance and management.
Ilozor B.D., Ilozor D.B.C., Okoroh M.I.
During the cold seasons, it is possible to use ambient air to cool down the coolants in air-conditioning or other refrigeration applications. Applying this free cooling reduces the energy costs of a refrigeration machine.
Sarkomaa P., Kaikko J.
In the survey study ‘Kantoor 2000’ the HVAC-system of several large office buildings in Flanders was monitored. Some of these buildings use air humidity control, most of them not. This triggered the question : why?
De Paepe M., Dedoncker S., De Groote W.
Mold in dwellings is a persisting complaint in moderate climates.
Hugo S.L.C. Hens
For energy savings, DCV systems are more and more used in ventilation systems. In France, in nonresidential buildings, these systems are generally controlled by either a CO2 sensor, or an opticalmovement detection (infrared).
Bernard A.M., Villenave J.G., Lemaire M.C.
A Demand Controlled Hybrid Ventilation System is a two-mode system using natural forces as long as possible and electric fans only if necessary.
Jacobs P., de Gids W.F.
Over the past decade, there has been extreme media attention to issues about mold and allegedlyadverse effects.
Pirages S.W.

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