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Out2In: impact of filtration and air purification on the penetration of outdoor air pollutants into the indoor environment by ventilation

Within the ventilation principle of buildings, the outdoor air is considered as a source of fresh, "clean" air. Outdoor air quality monitoring by environmental agencies, academic research projects and a broad range of citizen science projects show that this is not always the case. Although the outdoor air quality in our cities already improved, the concentrations of certain pollutants, especially particulate matter and peak pollutions of ozone (and its precursors nitrogen oxides and volatile organic compounds), remain problematic.

A study of the influence of the position of a chimney terminal on the vertical walls of a building on the air quality of the ventilation air supply

Combustion appliances are used in many buildings to provide space heating and domestic hot water. These appliances emit smoke that contains pollutants that must be kept away from the ventilation air supply of the building, to limit their impact on the indoor air quality (IAQ). An efficient way to prevent those pollutants from entering the ventilation circuit is to place the chimney terminal above the top of the roof, as far as possible from the air supply openings.

Modeling Dynamic Behavior of Volatile Organic Compounds in a Zero Energy Building

With increasing building airtightness, the design of an adequate ventilation system gains importance. The first generation of ventilation systems, based on continuous supply of the nominal airflow rate, are now being replaced by Demand Controlled Ventilation (DCV). These systems, often H2O and/or CO2 controlled, do not take into account the emissions of Volatile Organic Compounds (VOCs) to the indoor environment. 

Feedback from the AIVC 2019 Conference – Summary of the Smart Ventilation, IAQ & Health track

The AIVC – TightVent - venticool 2019 joint Conference “From Energy crisis to sustainable indoor climate – 40 years of AIVC", co-organized by Ghent University and the International Network on Ventilation and Energy Performance (INIVE) on behalf of the Air Infiltration and Ventilation Centre (AIVC), the Building and Ductwork Airtightness Platform (TightVent Europe), and the international

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Feedback from the AIVC 2019 Conference – Summary of the airtightness track

The AIVC – TightVent – venticool 2019 joint Conference “From Energy crisis to sustainable indoor climate – 40 years of AIVC”, co-organized by Ghent University and the International Network on Ventilation and Energy Performance (INIVE) on behalf of the Air Infiltration and Ventilation Centre (AIVC), the Building and Ductwork Airtightness Platform (TightVent Europe), and the international

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AIVC 2019 Conference evaluation results

The evaluation questionnaire of the 40th AIVC conference: “From Energy crisis to sustainable indoor climate – 40 years of AIVC” was sent out to the 204 attendees of the event. 102 participants filled in the evaluation form. We are happy to share with you a summary of the main results!

 

General outcomes:

  • The conference met the expectations of 90% of the participants
  • 84% of the participants would recommend the conference to others
  • 79% of the participants would attend another conference on this topic

 

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2nd EPBD article 19a Stakeholder meeting – 28 November, 2019

Following the 1st EPBD article 19a stakeholder meeting which took place in June 2019 and where stakeholders discussed the state of the art regarding existing schemes in relation to the inspection of stand-alone ventilation systems and optional building renovation passports, the 2nd stakeholder meeting aims to present the impact analyses and discuss the relevance, feasibility and possible scope of measures at EU-level.

 

The objectives of the 2nd stakeholder meeting are to:

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28 November 2019, 2nd stakeholder meeting, EPBD feasibility study 19a

Following the 1st EPBD article 19a stakeholder meeting which took place in June 2019 and where stakeholders discussed the state of the art regarding existing schemes in relation to the inspection of stand-alone ventilation systems and optional building renovation passports, the 2nd stakeholder meeting aims to present the impact analyses and discuss the relevance, feasibility and possible scope of measures at EU-level.

 

The objectives of the 2nd stakeholder meeting are to:

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AIVC 2019 Conference Programme available!

The final programme for the joint 40th AIVC, 8th TightVent & 6th venticool conference “From Energy crisis to sustainable indoor climate – 40 years of AIVC" to be held on October 15-16, 2019 in Ghent, Belgium is now available.

 

There will be a total of 13 topical sessions:

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Register now for the AIVC 2019 conference

Registration is still open for the 40th AIVC conference: “From Energy crisis to sustainable indoor climate – 40 years of AIVC" to be held on October 15-16, 2019 in Ghent, Belgium together with the 8th TightVent and the 6th venticool conferences.

 

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