The ideal building is cost-efficient, energy-efficient, and comfortable for its occupants. But executing all three of these elements to perfection can be complex and costly. Can there ever be a win-win-win across all three?

In part two of our roundtable episode with Michelle DeCarlo, Saeideh Kirby, Erin McElwee, and Buildings + Beyond host Kelly Westby, our guests discuss how to find a balance between meeting project objectives and creating sustainable and healthy buildings. They also share how they’ve seen the COVID-19 pandemic change project priorities and building operations.

Did you miss part one of this roundtable? Go to the previous episode to hear our guests’ moving discussion on gender equity in the building industry.

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Passive House design for large multi-family buildings aligns with and builds upon industry guidance for mitigating the spread of infectious diseases.

As the world continues to be turned on its head by the impacts of COVID-19, the building industry has been scrambling to respond, encouraging designers and building operators to learn about how their buildings are being ventilated. Industry experts have produced an array of documents and reports outlining guidelines for reopening buildings safely while minimizing the risk of transferring infectious disease. Much of the focus of this guidance has been on using mechanical ventilation and proper air distribution to dilute contaminant levels in spaces and minimize the spread of viruses. The American Society of Heating, Refrigeration and Air-conditioning Engineers (ASHRAE) has produced a significant amount of guidance for designers. One of their main documents, produced in April, is the “ASHRAE Position Document on Infectious Aerosols,” which provides useful information for how buildings should be designed and operated in response to a pandemic. However, it has prompted questions from design teams about how this might conflict with the goals of very low energy buildings, such as Passive House (PH). This blogpost is written as a response to some of these questions and to highlight the benefits of Passive House design in light of recent recommendations by groups like ASHRAE.

Benefits of Passive House for Mitigating COVID Transmission

The following are some of the benefits of Passive House design for multi-family buildings compared to code requirements as well as some additional guidance for how to design to mitigate virus transmission.

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Over the last several months, experts in sustainable design related to human health and interior wellness have developed guidelines, protocols, and toolkits to adapt existing buildings to the ‘new normal’ caused by the COVID-19 pandemic. These tools can be leveraged by building owners and property managers to enhance their healthy building strategies, ensuring their properties are mitigating risk with building wellness and safe building protocols. And, once implemented, building teams can earn recognition for their hard work with industry recognized organizations, which will build confidence for tenants and employees.

We’ll be highlighting three programs that complement your ESG and/or wellness goals across any portfolio or building typology. All three were created to be scalable, flexible, easily implemented, and cost-effective. Let’s get started.

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LEED: Toolkit for a Healthy and Resilient Post-COVID Built Environment

At SWA, we have used LEED across a wide range of projects and contexts. We have seen firsthand its strength as an adaptable toolkit for guiding high performance building design, construction, and operation. The intent of each LEED credit category takes on a particular meaning, both locally and globally, in response to the emergence of such factors as global climate change and its associated consequences—including pandemics. In the post-COVID context, these intents will take on new meaning and new urgency. Read Part 1 of this blog here!

The overall goal of the LEED rating system is to reduce the negative impacts of the built environment on environmental and human health. Ideally, this focus contributes to our general, overall resilience to public health crises such as the COVID-19 pandemic by reducing and mitigating various factors that make us more vulnerable to diseases. For example, we know that long-term exposure to air pollution and poor air quality dramatically increases the chances of dying from COVID-19 and that most of the same pre-existing conditions that increase the risk of death for COVID-19 are the same diseases exacerbated by exposure to air pollution. Anything we can do to improve air quality will also improve our resilience to disease. Most significantly, we need to move away from fossil fuel-based energy and toward clean, renewable energy—and a large portion of LEED is focused on doing just that.

As researchers have noted, many of the root causes behind climate change also contribute to a greater risk of pandemics. An example is deforestation and associated habitat loss, which forces wildlife to migrate, bringing novel viruses into closer contact with livestock and humans, and increasing the odds of disease transmission. On top of that, by altering temperature and rainfall patterns, climate change has created conditions that are more conducive to the spread of disease in general. So, the strategies we need to enact now to address the climate crisis—many of which are addressed in LEED credits—can also mitigate the occurrence, scale, and impacts of future disease outbreaks.

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As the country continues to confront the realities of the COVID-19 pandemic, the way we navigate spaces is changing. One of these changes is the way we interact with common use objects that traditionally require hand-operation, like doors. While automatic doors have always been a good option for providing greater access to people with disabilities, hygiene concerns associated with the spread of disease have presented another argument for their use. The rise of touchless technology as a result of this pandemic will increase the use of automatic doors not just for accessibility or convenience, but for public health as well. For anyone considering incorporating automatic doors into their designs, either for new construction or as a retrofit, here are some important things to consider:

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