AIVC - Air Infiltration and Ventilation Centre

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retrofitting

Weatherisation plus: new opportunities.

No more will weatherization crews find their hands tied when they see opportunities for energy savings in every corner-the Weatherization Plus plan will open the door to bring home advanced technologies.

Energy efficient modernisation of housing: a UK case study.

This paper sets out the results of the York Energy Demonstration Project and discusses its implications for the modernisation of low rise housing in the UK. The project consisted of three schemes, which were carried out in the early to mid 1990s and monitored over a 2-year period. Results indicate that modem1sation schemes have a very important part to play in reducing C02 emissions and that improvements in the region of 50% can be achieved at modest cost using well proven (early 1980s) technology.

Ventilation in 2 or 3 unit multifamily buildings before and after weatherization.

This study investigates the fresh air distribution in 2 or 3-unit multifamily buildings before and after weatherization and evaluates the effectiveness of exhaust-only ventilation in providing the minimum recommended fresh air flows to dwellings in such buildings. Lowrise multifamily buildings often have no mechanical ventilation system and rely on the air leakage through the exterior envelope to provide outdoor air to occupants.

HYBVENT - hybrid ventilation in new and retrofitted office buildings.

Discusses the new concept of hybrid ventilation, and the objectives of IEA ECBCS Annex 35 research in this area. Important areas of research are the development of control strategies, theoretical and experimental studies, the development of a decision tool, the implementation and demonstration of hybrid ventilation, reporting and expected results.

Guidelines on cost effective natural and low energy ventilation strategies for retrofitting to UK offices.

Work carried out in the UK, on behalf of, and fully funded by the Department Transport and Regions, has produced guidelines for the cost effective refurbishment of offices for natural and low energy ventilation. The aim of the work is to counteract the current trend towards the installation of air conditioning when other low energy strategies will provide suitable comfort conditions. This paper shows ways in which comfort conditions can be achieved with zero or minimal energy use in a range of office types, using natural ventilation or simple mechanical low energy systems.

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