In many parts of the world, outdoor air quality is so poor that it is better to avoid ventilation with outdoor air. In such cases, the alternative is to substitute ventilation with air cleaning to maintain high indoor air quality.
Upcoming Webinars
Past Webinars
09
Dec
2020
The current development in building energy efficiency towards nZEB buildings represents a number of new challenges to design and construction. One of these major challenges is the increased need for...
30
Nov
2020
Air infiltration in buildings has multiple consequences on energy use and indoor environmental quality which depend on the location and distribution of leakages. Among others, pollutant infiltration...
20
Nov
2020
Ventilation is recognized as a major element in strategies for minimizing the risk of COVID infection. REHVA and ASHRAE have developed guidelines taking existing evidence of long-range aerosol based...
10
Nov
2020
Progressing the scientific basis of indoor environmental quality is essential to understand which aspects can be better optimised to substantially reduce energy use in buildings. In recent years, IEA...
19
May
2020
Setting sustainable urban development goals and developing energy efficient solutions for buildings are crucial elements of climate action. Urban living is introducing new challenges both for...
13
May
2020
Setting sustainable urban development goals and developing energy efficient solutions for buildings are crucial elements of climate action. Urban living is introducing new challenges both for...
06
May
2020
Setting sustainable urban development goals and developing energy efficient solutions for buildings are crucial elements of climate action. Urban living is introducing new challenges both for...
26
Mar
2020
The current development in building energy efficiency towards nZEB buildings represents a number of new challenges to design and construction. One of these major challenges is the increased need for...
21
Feb
2020
Mandatory or voluntary building airtightness testing has come gradually into force in many European countries mostly because of the increasing weight of building leakage energy impact on the overall...
30
Jan
2020
Mandatory or voluntary building airtightness testing has come gradually into force in many European countries mostly because of the increasing weight of building leakage energy impact on the overall...
23
May
2019
Cooking is a major source of indoor contaminants, including moisture, odors and particles. Proper venting of cooking activities is an essential part of providing acceptable indoor air quality in...
25
Apr
2019
Various studies have shown that ductwork leakage has a major impact on energy use (i.e. increased fan energy use, heating & cooling losses etc.). However, in most European countries, it is not...
04
Sep
2018
MOS VOC sensors gain increasing attention in the ventilation community because of their low price and claimed ability to supplement or even substitute CO2 sensors for demand control. Even though...
25
Apr
2018
Ventilative cooling reduces overheating, improves summer comfort and decreases cooling loads. It is therefore one of the most efficient ways to improve summer comfort. Conditions on site, thermal...
06
Mar
2018
AIVC defines smart ventilation as a process to continually adjust the ventilation system of a building in order to provide the desired Indoor Air Quality (IAQ) benefits while minimizing energy...
25
Jan
2018
Work performed so far in the field of ductwork airtightness has shown that it may lead to important energy losses and increased fan energy use. Nevertheless, a recent survey has shown that ductwork...
13
Jan
2017
Over the years, different approaches and indices have been used to define indoor air quality. The most frequently used, recognised by the public, and equated with indoor air quality are, of course,...
12
Jan
2016
12 January 2016, Webinar - Building airtightness and initiatives to improve the quality of the works
The QUALICHeCK-TightVent webinar: "Building airtightness and initiatives to improve the quality of the works" was held on Tuesday 12 January, 10:00-11:30 (Brussels time). The objective of...
17
Dec
2015
Ventilative cooling—i.e., the use of natural or mechanical ventilation strategies to cool indoor spaces—can be very effective to reduce the cooling energy demand in buildings in summer or...
08
Dec
2015
Ventilative cooling –i.e., the use of natural or mechanical ventilation strategies to cool indoor spaces– can be very effective to reduce the cooling energy demand in buildings in summer...