ventilation

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The February 2023 edition of the REHVA Journal has been released, including a selection of articles presented at the 42nd AIVC conference - 10th TightVent - 8th venticool conference: "Ventilation Challenges in a Changing World" held in Rotterdam, the Netherlands on October 5-6, 2022.Specific articles include:Estimation of Cross-Ventilation Through Roof Windows in Attics | Valérie Leprince (Cerema, France), Nolwenn Hurel (PLEIAQ, France), Christoffer Plesner (Velux, Denmark)Energy Savings with Aeroseal Ductwork Sealing in Europe | Nolwenn Hurel Nolwenn Hurel (PLEIAQ, France), Valérie Leprince (

Due to extreme increases in energy prices in European countries (as well as other non-European countries), building users may be tempted to take energy saving measures because they can no longer pay their energy bills. This in turn may have adverse effects on the indoor air quality - especially in older and badly insulated homes. This article gives some elementary advice on

In November 2022, the Lancet COVID-19 Commission Task Force on Safe Work, Safe School, and Safe Travel released a report proposing new Non-infectious Air Delivery Rates (NADR) for Reducing Exposure to Airborne Respiratory Infectious Diseases, exceeding the current minimum standards, and aiming to help mitigate infection risk and promote health.The results from their study confirm that enhanced ventilation, filtration, and air disinfection are effective in reducing exposure risks for SARS-CoV-2 and other respiratory infectious diseases, as well as providing other benefits, such as improved cogn

This is a new monthly 60-minute program from ISIAQ/IEQ-GA that is being produced by Healthy Indoors®/IAQNET LLC. The show is co-hosted by Healthy Indoors’ Founder & Publisher, Bob Krell, and current IEQ-GA President, Donald Weekes.

The D2Grids project developed a set of Key Performance Indicators (KPIs) to assess the readiness of 5th generation district heating and cooling (5GDHC) grids. These KPIs were defined through workshops and sprint sessions with technical partners and expert groups, assessing each one of the 5 principles of 5GDHC of the DHC system. These principles include:  

Benjamin Jones, Dr.Eng., spoke with ASHRAE’s Technical Editor Rebecca Matyasovski about a proposed addendum to Standard 62.2 that considers harm as a basis of regulating contaminants in homes. He also talked about how this type of addenda could be used in other indoor spaces and by other organizations—and why you should always turn on your range hood.The podcast is available here.

The March 2023 issue of the AIVC newsletter has just been released. Specific contents include:

The AIVC -TightVent - venticool 2023 Conference: “Ventilation, IEQ and health in sustainable buildings” will be held during 4-5 October 2023 in Copenhagen, Denmark.Abstract submission is still open. Authors should submit their abstracts by March 27, 2023.Detailed information & other important deadlines for the call for abstracts can be found at: https://aivc2023conference.org/call-for-abstracts-papers/For further information and updates visit us at: https://aivc2023conference.org/

NILIM and BRI of Japan, together with the Air Infiltration and Ventilation Centre (AIVC) organize a workshop entitled “Towards high quality, low-carbon ventilation in airtight buildings" to be held on 18-19 May 2023 in Tokyo, Japan. The workshop will take place in at Bellesalle Mita Garden (3-5-19 Mita, Minato-ku, Tokyo/Tokyo Mita Garden Tower 2F (Room B+C). The workshop programme is now available here. For further information on registration etc.

The end of the applications means the beginning of a double stage: the discovery of the competing projects and the opening of the votes for the User’s Choice Award.   So, what are these concrete and sustainable buildings, districts, and infrastructures that will inspire the profession this year? Construction21 presents them to you and invite you to choose your favourites until Friday, April 28th. Ready, set, vote!