A large majority of courts nationwide have sided with insurers in the recent string of pandemic-driven business interruption cases. Nevertheless, a federal judge has asked the Maryland Court of Appeals to weigh in on whether the COVID-19 virus causes “physical loss or damage” to a property such that it triggers coverage.

Claiming the physical presence of COVID-19 in its stores, Tapestry, owner of luxury accessory brands like Coach, Kate Spade New York, and Stuart Weitzman, sued its insurance provider, Factory Mutual Insurance Co., for lost profits due to employees’ exposure to coronavirus.  Managing 414 stores in the United States, with 15 in Maryland alone, Tapestry alleged that 1,676 workers had contracted the virus when they submitted their first complaint.

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Originally Appeared Here

As we enter our third pandemic summer, many of us have hopes to travel and experience new places. But with the Centers for Disease Control still reporting a daily average of more than 50,000 new COVID-19 cases, many people are wondering whether their summer travel plans are a safe idea.

“Any amount of travel during a pandemic comes with a certain level of risk, especially as new variants continue to emerge,” says Jerry Zuckerman, M.D., vice president of infection prevention and control at Hackensack Meridian Health. “But if you plan well, remain up to date with recommended COVID-19 vaccines and take appropriate precautions, you can enjoy that summer trip and reduce your risk of getting infected with COVID-19.”

Do your homework

The situation with COVID is constantly changing, so you need to do your research and stay up to date with your destination’s COVID outlook and current travel requirements.

• Transportation: If you are taking transportation other than a personal car, keep tabs on public transportation safety measures. While mask mandates may have lifted in many places, mass transit still requires a face covering (as of April 2022).
• Lodging: Book lodging leveraging best practices such as enhanced cleaning procedures and contactless payment. Look for places that have taken measures to improve indoor air ventilation, including improved central air filtration, increased introduction of outdoor air and use of portable HEPA fan/filtration systems for air cleaning.
• Activities: “Consider choosing outdoor activities with minimal crowds instead of crowded indoor places, particularly if you are traveling with a child too young to be vaccinated or someone who is at higher risk,” says Dr. Zuckerman.
• International Travel Advisories: If you are traveling internationally, keep an eye on the Center for Disease Control and Prevention’s travel recommendations for which countries to avoid. Stay up to date on entry and exit requirements to your destination country as well as the U.S. COVID vaccination and testing requirements vary by country, so check before you go.

Before you go

• Pack smartly: Don’t forget to pack properly fitting masks, hand sanitizer that contains at least 60 percent alcohol and alcohol wipes.
• Check your vaccinations: Double check that you and all your loved ones are current with all of their vaccines—not just COVID-19. Don’t forget to bring proof of your COVID vaccination status if it is required for your travel destination.
• Stay flexible: Be prepared to cancel plans if you’re sick or have been exposed. It can be hard to abandon a well-planned, fun trip, but if you’re sick, you need to stay home. If you’ve been exposed to COVID-19, delay until you receive your test results.

“While we want to get on with our lives, COVID-19 is still a threat,” says Dr. Zuckerman. “We need to continue to be cautious and alert, but travel this summer is possible. It just might take some extra planning, precaution and creativity.”

Need help finding a doctor?

Hackensack Meridian Health’s network includes more than 1,000 physicians and advanced providers at over 300 locations caring for residents throughout New Jersey. To make an appointment with a doctor near you, call 800-822-8905 or visit their website today.

More resources from Hackensack Meridian Health:

This material is intended to be used as general information only and should not replace the advice of your physician. Always consult your physician for individual care.

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Borgafjellet Elementary School / LINK arkitektur

© Hundven-Clements Photography

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https://www.archdaily.com/981078/borgafjellet-elementary-school-link-arkitektur
© Hundven-Clements Photography

A model for a healthy indoor climate. The newly opened elementary school ‘Borgafjellet’ on the western coast of Norway, near Bergen, is unique in its combination of hybrid ventilation and solid wood on all surfaces. The overall goal for the project was to create the best possible healthy indoor environment for the 420 pupils and their teachers. The project group set high ambitions for sustainability, climate footprint, durable materials, and indoor climate, cultivating an innovative building with solid sustainable qualities for many generations.

© Hundven-Clements PhotographyPlan – Site

Leading the process from A to Z. LINK Arkitektur has been an advisor for planning, landscape architecture, building physics, and architecture. – It has been a great learning experience for both parties to cooperate so closely during the whole process, from the early phase to the completed building. This project has required specific knowledge in both solid wood and hybrid ventilation. We, therefore, put together a strong interdisciplinary team to bring out the best in all parts of the project, explains architect and project manager Bjørn Feltens in LINK Arkitektur.

© Hundven-Clements PhotographyPlan – Ground floor

A breath of fresh air. The school has extensive use of solid wood, which significantly reduces climate footprint and a stable indoor humidity level. Exterior walls, interior walls, floor dividers, roofs, stairs, railings, and load-bearing interior walls are solid wood. Even non-load-bearing interior walls are clad in the solid wood surface. In addition, the school has hybrid ventilation, which combines both mechanical and natural air supplies. The ventilation method lets fresh air in through automatically controlled windows, improves air quality, and effectively regulates the temperature.

© Hundven-Clements Photography

Shelter for the rough climate. The western coast is known for its rough climate. Two hundred thirty days a year with heavy rain calls for generous areas for the pupil’s activities outdoor with a big spanning sheltering roof. The entire outdoor facility is a significant contribution to the local community and attracts visitors from the surrounding areas. The school building is maintenance-friendly, including cladding in ore pine as well as solar cells on the roof and local energy wells. In collaboration with hybrid ventilation, this reduces energy consumption and the school’s climate footprint.

© Hundven-Clements Photography© Hundven-Clements Photography

Healthy microclimate. The interior is characterized by wood, which provides a beautiful and nature-friendly impression offering physiological and psychological well-being effects. A varied color palette in natural earth and mineral colors gives each level a different character, and the natural pigment wall paint offers a warm glow. The classroom microclimate influenced by ventilation, temperature, and humidity rate provides an indoor air quality, which improves students’ health and learning outcomes.

© Hundven-Clements Photography
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An anti-idling campaign at two Salt Lake County elementary schools was effective in reducing idling time by 38%, and an air monitoring experiment found that air quality around schools can vary over short distances. These findings, published in the journal Atmosphere, can help schools and school districts along the Wasatch Front plan to protect students, staff and the community from idling-related air pollution.

“Idling at schools during drop-off and pick-up times is a substantial problem,” says study lead author Daniel Mendoza, a research assistant professor in the University of Utah’s Department of Atmospheric Sciences and visiting assistant professor in the Department of City & Metropolitan Planning. “The anti-idling campaign was effective in reducing not only the number of vehicles idling but also the length of idling.”

Mendoza and colleagues, including Tabitha Benney, an associate professor of political science, are studying the sources and impacts of air pollution along the Wasatch Front, a region with bowl-like geography that leads to air quality issues. U scientists have developed mobile tools to monitor air quality, including a van filled with research-grade air sensors that’s been affectionately named the “Nerdmobile.” For this study, the Nerdmobile was parked outside Willow Springs Elementary and Bonneville Elementary for a week at a time in each school’s pick-up/drop-off zone. The measurements at the van were then compared with air quality measurements inside the school and near the school’s playground.

They’re also interested in the social impacts of air quality. For this study, they partnered with researchers at Westminster College who used the U.S. Environmental Protection Agency’s Idle-Free Schools Toolkit to conduct an intensive three-month anti-idling campaign involving teachers and parents. “It was extremely important to us that the campaign involved the school community every step of the way,” says Rachel Forrest, adjunct professor in the Public Health Program, School of Nursing and Health Sciences, Westminster College. “Community members helped shape the look and feel of the campaign and donated their time and expertise to implement it. Without their support, this wouldn’t have been possible.”

And it worked. The researchers found 38% less idling time and 11% fewer cars idling after the campaign than before.

The researchers intended to follow up several months later to see how well the effects of the campaign persisted, but unfortunately, school closures due to the COVID-19 pandemic abruptly ended the study in March 2020.

“Reduced idling has numerous advantages,” Mendoza says. “The most important one is the substantial reduction of concentrated pollution in a relatively small area.” Recent research from Mendoza, Benney and colleagues found that indoor air quality in two Salt Lake City high schools was impacted by outdoor air quality.

Idling can also unnecessarily burn fuel—a fact that becomes more relevant as gas prices have risen in recent months.

Why do parents idle when dropping off or picking up? It’s usually to maintain a comfortable temperature in the car, but studies have found that it takes 10-15 minutes for in-car temperatures to change enough to be uncomfortable.

What did the team learn about air pollution from idling? Another unfortunate setback, a winter inversion, which traps emissions in the cold valley under a lid of warm air and impairs air quality, set in during the study period, confounding the measurements and making the effect of reduced idling on air quality unclear.

“However, what the inversion helped us see more clearly was the lasting effects of idling around schools as there were marked pollution spikes following drop-off and pick-up times,” Mendoza says. The researchers also noticed that the amount of particulate matter air pollution dropped off between the van parked in the pickup lane and the school playgrounds, highlighting the localized air pollution caused by car emissions.

“It is not only parents but also school buses that have been culprits of localized pollution hotspots around schools,” Mendoza says. Many school districts, he says, have already enacted idling bans for buses.  “However, parents are a completely different story.”

Find the full study here.

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It’s an entirely new way of imagining student life on the Blacksburg campus a decade from now.

At its recent quarterly meeting, the Virginia Tech Board of Visitors received a high-level presentation for a proposed Student Life Village.

The university is currently developing a Student Life Village master plan that proposes residential, well-being, recreation, dining, and enrichment spaces for up to 5,000 students on campus. The plan will focus on integrated, high-quality student-life offerings as well as living-learning programs, amenities, and public spaces to serve both on- and off-campus students.

Potentially located on the northwest side of campus, the Student Life Village study area includes the phased usage of the land bank formed by the special-purpose housing at Oak Lane and the golf course.

The plan for the Student Life Village would supplement Beyond Boundaries 2047: The Campus Plan which the board adopted in 2018. The campus master plan, which has gained national recognition, is a flexible, adaptable, and evolutionary document that will help achieve Virginia Tech’s strategic vision and serve as a road map for the future.

“The Student Life Village is a new take on campus living,” said Frank Shushok, vice president for student affairs. “We want to create better connectivity to the curricular, extracurricular, and social activities of the campus beyond a student’s first year. The Student Life Village concept would provide affordable and developmentally appropriate on-campus housing to upper-division students. We also want to make the Student Life Village a place where off-campus students, faculty, and staff feel welcome.”

“It will be a distinct district with new opportunities to innovate in well-being, living-learning experiences, building technology, and sustainability,” said Liza Morris, assistant vice president for planning and university architect. “The village master plan intentionally leverages topography and place-making strategies to embody Hokie Spirit in a new context while embracing Virginia Tech’s values and land-grant heritage. This affords us the option to utilize place-appropriate forms and materials.”

It is conceived as both a living-learning environment for the students who reside there and a destination to visit for the rest of the university. The Student Life Village would enhance the Virginia Tech student experience with living, study, dining, exercise, activity, and contemplation spaces, including a proposed interfaith chapel and technology-free zone. Key to the concept is enrichment programming with a focus on a diverse range of well-being practices.

“Envisioned as a new model for living and learning, well-being is embraced by the proposed spatial design of the village,” said Shushok. “The Student Life Village would provide the variety of spaces needed to practice holistic well-being with the flexibility to adjust to changing preferences.”

The project was approached in an intentional manner, including developing the land to take advantage of natural resources; pedestrian, bicycle, and motorized traffic patterns; ecological buffer zones; waste management; sustainability over time; accessibility; safety and security; and indoor air quality.

The landscape framework for the Student Life Village would be responsive to the ecology, topography, and heritage trees that define the site. To the maximum extent possible, existing trees will be incorporated into the open space along with a network of accessible pathways. The proposed Central Green of the village will be augmented by a series of quadrangles that collectively are envisioned to promote a sense of openness, while providing opportunities for construction engagement and interaction. 

The landscape of the village would reaffirm Virginia Tech’s identity as a land-grant university embedded in agricultural and rural heritage.

The Student Life Village would offer options for students of every class year to live on campus. It would balance space efficiency and affordability with privacy and age-appropriate living situations. In addition to enrichment spaces within the residence halls, shared enrichment spaces in amenity buildings could be used for activities open to the entire Virginia Tech community. The plan includes flexible spaces that integrate the university’s educational, social, and developmental missions into the residential environment.

Dining facilities would be a mix of commercial franchises and unique-serving venues to give students a wide range of options. This builds on the success of existing “destination concept” dining facilities on the Blacksburg campus.

The Transit Plaza at the village’s “gateway” is an important feature of the plan. Integrating the village into the existing transit network would be critical to connecting its residents to daily academic and student-life activities. This also would allow the village to be a destination for the entire campus community.

The proposed Student Life Village will incorporate universal design principles where appropriate. 

Because the Student Life Village proposal would include significant capital investment, three phases are imagined for the project, each to be fully functional before the next is started. It would provide new housing in the near term that allows existing housing to be renovated on a rolling basis without affecting the overall campus housing supply.

Further study and planning is needed to determine construction costs and timelines for this proposed project. Flexibility is inherent in this approach to take advantage of cost-saving materials, innovative building techniques, and unforeseen opportunities. Changing student preferences and higher education benchmarks and best practices will be considered as the project moves through each phase.

Work on the plan for the Student Life Village began last fall. Its development included work sessions with three Virginia Tech advisory groups consisting of interdisciplinary leaders from across the university. The Student Life Village charrette, a two-day event held in October, was a collaborative discussion surrounding concept alternatives for the project. It engaged all Student Life Village advisory groups, the Town of Blacksburg, as well as members of the Virginia Tech student, faculty, and staff communities. Student feedback forums were also held.

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The number of Covid cases, hospitalisation and intensive care unit admissions in France continues to decrease as the Omicron wave subsides, official figures show. 

It comes as Antoine Flahault, an epidemiologist and director of the Institute of Global Health at the University of Geneva, warns that the pandemic is not yet over and that France must do better to anticipate future variants of the virus. 

The average number of positive tests returned over the past seven days is down nearly 30% compared to last week, with 54,011 cases compared to 57,186 on Friday and 76,130 the Sunday prior*. 

At the beginning of April, over 130,000 cases a day were being reported. 

There are now 23,327 patients in hospital with Covid, including 208 new admissions. This is down from 24,888 and 372 admission last Sunday (April 24). 

Additionally, there are now fewer patients in ICU wards for Covid, down to 1,557 this week compared to 1,640 one week before. The number of new admittances is also down to 19, from 35 last Sunday. 

‘Better anticipation is crucial’

Despite this improvement, Professor Flahault says that “we have not yet finished with the Covid pandemic”. 

“Yes, all over Europe the epidemiological indicators are favourable, and our countries are reporting a fairly rapid decline in this wave,” he told Ouest-France today (May 2). 

“That said, viral circulation is still at a very high level, as this latest wave reached unprecedented heights.”

He said that there is a possibility that other variants of Covid could appear. 

“It is crucial to better anticipate this phenomenon and to build more effective responses that better protect us from the transmission of this virus and its variants,” he said. 

“Let us remember that this is an almost exclusively aerosol-transmitted virus and that the best prevention against infection remains the improvement of indoor air quality, in which few governments, apart from in Belgium and the US, have really invested.”

Return to work for unvaccinated healthcare workers?

Elsewhere, President Emmanuel Macron has hinted at soon allowing unvaccinated healthcare workers to return to their work without needing proof of vaccination. 

“If the figures continue to go down in the next few weeks, we will go in that direction,” Mr Macron said on Friday (April 29). 

Although he added that, with regards to the staff who have chosen to be vaccinated and who have “made the ethical effort”, it will not be possible to reinstate unvaccinated workers “immediately”. 

Around 15,000 healthcare workers have not shown proof of vaccination and have therefore not been working or receiving salary since last September. 

Mr Macron already suggested back in April that he may reconsider the rules around allowing unvaccinated healthcare workers back to work. 

*These figures have been averaged out over the course of the seven previous days so as to account for any discrepancies that could occur when posting daily figures.

Related articles

Covid-19: Rules for travel to and from France

Coronavirus: Daily updates on the situation in France

Can non-residents be vaccinated against Covid in France?

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“It’s rewarding when a third-party recognizes AprilAire’s contribution to clean, healthy air year-round and especially during May as Clean Air Month,” said Dale Philippi, president and CEO of Research Products Corporation, parent company of AprilAire.

MADISON, Wis. (PRWEB)
May 02, 2022

AprilAire, the nationwide leader in professional-grade Healthy Air solutions for the home, is welcoming the month of May and celebrating Clean Air Month by participating for the third year in a row in the American Lung Association’s Proud Partner program. The program allows responsible brands, after careful internal and external vetting, to use the non-profit organization’s Proud Partner logo on product packaging and approved promotional materials. AprilAire’s four-inch air filters are included in the American Lung Association’s Proud Partner program.*

“Within our rigorous suite of Healthy Air products, we are immensely proud of our line of four-inch air filters and it’s gratifying to be chosen for a third consecutive year as an American Lung Association Proud Partner,” said Dale Philippi, president and CEO of Research Products Corporation, parent company of AprilAire. “It’s rewarding when a third-party recognizes AprilAire’s contribution to clean, healthy air year-round and especially during May as Clean Air Month.”

AprilAire’s four-inch air filters, the products tapped for the American Lung Association’s Proud Partner program, feature MERV 11, MERV 13, and MERV 16 ratings and improved performance from the patented AprilAire Self-Seal Technology which minimizes the amount of air bypassing the filter. Using AprilAire air filters allows homeowners to vacuum and dust less often because the filter catches airborne particles, like dust, pollen, mold spores, bacteria and pet dander, and prevents them from settling on furniture and flooring. Easy to install, AprilAire air filters feature a 10-year Clean Coil Commitment and the entire line of four-inch filters prominently features the National Proud Partner badge.

“The Lung Association’s Proud Partner program recognizes partners doing excellent work to improve air quality and/or support lung health” said Amanda O’Neill, National Senior Director, Corporate Partnerships at the American Lung Association. “AprilAire has been a Proud Partner for the past three years and not only creates products that contribute to cleaner indoor air but also prioritizes lung health in everything that they do, from participating in the Fight For Air Climb to educating consumers on the importance of healthy indoor air for lung health. They are a fantastic partner and we look forward to working with them for years to come.”

For AprilAire, improving indoor air quality (IAQ) has been the top priority since the company’s inception in 1954. To heighten awareness recently, AprilAire designated April as Healthy Air Month and more than 60 AprilAire employees climbed over 2,000 stairs in the Milwaukee Fight For Air Climb, an American Lung Association event on April 9 which focused on the fight against lung disease.

Each May, Clean Air Month encourages people to educate themselves and take steps to improve air quality both locally and around the world. The national observation month is also a chance to celebrate the improvements made since the Clean Air Act was passed in 1970, more than 50 years ago.

According to the EPA, people spend 90% of their time indoors yet indoor air can be five times more polluted than outside. Applying the 79-70-50 rule (the average person lives to be 79 years old; of those 79 years, 70 of them are spent indoors; of those 70 years indoors, 50 of them are spent in your own home), it’s clear that indoor air quality is vital for healthy living. In addition to world-class IAQ product innovations, AprilAire is making a difference daily by providing education and information about how healthy indoor air can reduce illness, eliminate pests, alleviate allergies, improve sleep, increase energy efficiency and more.

The company’s signature solution, the AprilAire Healthy Air System™, is a smart, all-in-one innovation which provides fresh air ventilation, air purification, humidity control, zoning, control, and radon mitigation to deliver a Healthy Air environment in homes everywhere.

*Disclaimer: The American Lung Association does not endorse any product, device, or service.

About AprilAire

AprilAire is on a mission to make homes healthy. We believe everyone deserves Healthy Air and envision a future with Healthy Air in every home. We value healthy living, customer inspired innovation, simplicity of design, straight talk and delivering real results as promised, and most importantly making a positive difference in the lives of our customers, families, and communities. Headquartered in Madison, Wisconsin since 1954, AprilAire has been creating and delivering Healthy Air solutions to manage air purity, humidity, fresh air supply, radon mitigation, and temperature for all types of homes, in all environments. We have an unparalleled reputation as the brand of choice among tens of thousands of professional contractors and make a Healthy Air difference in the lives of the millions of families who rely on our products every day. To learn how to turn your house into a Healthy Home with the AprilAire Healthy Air System™ and learn about other solutions, visit http://www.aprilaire.com.

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Back in the day, miners would bring a canary into the coal mine to detect toxic gases in the air. When the bird keeled over, it was time to get out. Now, a new air quality monitor works the same way, but for your home: when the air quality drops, a yellow canary takes a nosedive — until you open the window to revive it.

Americans spend about 90% of their time indoors, where the air can be 5 to 10 times more polluted than the worst outdoor air. Bad indoor air, including high levels of CO2, has been linked with fatigue, headaches, and even respiratory diseases, all of which could be alleviated by airing out your home. That’s why two designers created Canairi: a minimalist monitor that nudges you to open the window without using blinking lights, warning sounds, or phone notifications. And no, there’s no app; just simple, intuitive design.

[Photo: Courtesy Canairi]When I was little, my grandparents started the day by opening the windows. In the winter, the house would be freezing for about 10 minutes, and I would rant for another 10, but the air was always crisp. Now, after two years of dealing with an airborne virus, indoor air quality has become the holy grail—but I’m still bad at opening the window.

Canairi’s brilliance is that it uses a simple mechanism to trigger a visceral emotional reaction: Nobody wants to watch a dead bird on the wall, even when it’s made of recycled plastic. When CO2 levels stay above 1,000 ppm (parts per million) for longer than 10 minutes, a sensor will trigger the motor, which will spin the canary 180 degrees. Once you open the window, it will take about 10 minutes for the canary to rotate back up. (When the battery dies, the canary sits at 90 degrees until you plug it into a charger.)

The speed at which CO2 accumulates varies based on the size of the room and the number of people in it, but put simply: The more people breathing in oxygen and breathing out CO2 in any given room, the higher the levels will be. When CO2 accumulates, it can make you feel drowsy, lose your focus, and develop headaches. Opening the window can alleviate this, but it can also help eliminate other toxins, making Canairi all the more useful.

At its core, the monitor is a simple reminder to ventilate your home by its ability to convey information using simple cues. “We discovered a lot of products that seem to be made by engineers for engineers,” says Hans Hoite Augustenborg, who cofounded Canairi with Andreas Kofoed Sorensen. “We were looking for cues that weren’t annoying but engaging.”

[Photo: Courtesy Canairi]Unlike carbon monoxide, which presents immediate danger and requires monitors to have more than visual triggers, Canairi is only necessary for the room you’re in. This allowed the designers to strip away complicated displays and auditory clutter. “We’re so used to getting alerts and notifications from products all the time, but you tend to ignore them or forget them or turn them off again,” says Augustenborg. “When you see something from the corner of your eye, you always notice it.”

At the time of publication, Canairi has raised more than $375,000 on Kickstarter; it will be available in October for $199. In the meantime, remember to open your windows—and keep your imaginary canary alive.

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Originally Appeared Here

iF Design Award

The iF Design Award has been recognized as an arbiter of quality for excellent design. Known worldwide for outstanding design services, the iF Design Award honors design achievements in all disciplines: product, packaging, communication and service design, architecture, and interior architecture as well as professional concept, user experience (UX) and user interface (UI). This year, the iF Design Award 2022 for product design was awarded to “acerpure cool” 2-in-1 air circulator and purifier (AC551-50W) as announced recently by AcerPure Inc., a home appliance provider and a subsidiary of the Acer Group.

The 2-in-1 acerpure cool combines purification with air circulation functions. Powerful circulating fans enable the purified air to be projected up to a distance of 12 meters, and swivels freely so that clean air can be delivered to every corner of the room. Judges of the iF Design Award gave the acerpure cool high scores on the criteria of “idea,” “impact,” and “differentiation.”

acerpure cool is a purifier that can effectively fight against coronaviruses with an antiviral activity rate of 99%. Powerful circulating fans rotate freely upward, downward, and from left to right, to effectively purify and circulate air in an entire room, including potential blind spots. It comes with a smart home app “acerpure Life” and smart sensors to help consumers analyze indoor and outdoor air quality, detect harmful particles such as PM2.5 and formaldehyde, and then automatically switches to the most suitable purification mode to improve indoor air quality.

Andrew Hou, Chairman of AcerPure Inc., said, “As people are now staying at home for longer periods of time than before, AcerPure’s mission is to provide technological innovations that can truly resolve various consumer concerns. We will continue to innovate and create an acerpure home ecosystem to provide consumers with innovative living at home.”

acerpure is available in Acer Flagship Store in SM Megamall, Acer and Predator Concept stores, authorized Acer retailers Abenson, Asianic, Complink, Emcor Gigahertz, KServico, Laser Marketing, Octagon, Robinsons Appliance, Silicon Valley, Villman, and online at https://store.acer.com/en-ph/

At present, acerpure products are available at special promo prices.

 

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SPONSORED

Summarized AMCA COVID-19 Guidance for Large-Diameter Ceiling Fans

For building owners and operators, the AMCA International study makes recommendations for LDCF operation.

Background
During the early stages of the COVID-19 pandemic, numerous government agencies along with professional institutions issued guidance regarding the operation of circulating fans. This guidance recommended that building owners and occupants avoid operating circulating fans based on an assumption that the circulation generated by the fans would lead to increased transmission rates within a building if an infected individual was present. This recommendation was not rooted in research or prior practice for other airborne diseases. As temperatures reached record highs in 2020 and 2021, this guidance further increased heat stress and the frequency of heat-related illness among essential workers in challenging work environments. A significant number of quantitative and numerical studies have been performed regarding the performance of circulating fans and the best application of the fans in a typical installation in a large industrial space. However, few to none of these studies have examined the potential effects of fan operation on airborne disease transmission in these spaces. This knowledge gap became all the more noticeable and led to premature guidance regarding the use of circulating fans.

In response, Air Movement and Control Association (AMCA) International commissioned a numerical computational fluid dynamics study of particle and aerosol transmission in a typical warehouse space with large diameter ceiling fans (LDCF—fans greater than 7 feet in diameter). These midsize warehouse spaces are the backbone of manufacturing supply chains and e-commerce fulfillment systems, both of which have been important in responding to and weathering the COVID-19 pandemic. These facilities are also often under-conditioned in the summer months and can expose workers to significant heat stress and heat illness risk.

To ensure the integrity and accuracy of the study, AMCA formed one team of experts across the HVAC industry to ensure the proper selection and application of the products and another team of experts in airflow modeling, infectious disease transmission, and indoor air quality. Members of these teams include leading academics, members of the ASHRAE Epidemic Task Force, and notably, engineering leaders from Big Ass Fans, a proud member company of AMCA International.

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