Wildfire Season Has Become a Business Risk Every Facility and CRE Leader Should Plan For in 2026

Wildfire season strains buildings and people. See how facilities can prepare in 2026 to reduce costs, protect tenants, and build resilience.

Ava Montini

Mar 11, 2026

Written by

Published on

The Business Side of Smoke Days

When wildfire smoke drifts into a region, the strain on buildings is both immediate and multi-layered. Filters load faster, pushing fans to use more power just to keep airflow steady (EPA). As systems deviate, alarms trigger more frequently, and maintenance teams are pulled from planned tasks into reactive changeouts (Facility Executive). Meanwhile, vendors across the region see surging demand; parts and pads that usually arrive in days might take a week or more (NC State). That delay alone can unravel even the most rigorously planned preventive maintenance schedules.

Inside the building, occupants feel a different side of the same event. They note scratchy throats, irritated eyes, or rooms that feel stale or “heavier” when fresh air intake is reduced (AirNow). They see Air Quality Index alerts on their phones and news headlines escalating (EPA AQI). In those moments, the question is no longer just whether systems are responding, it’s: Is the building protecting me? When communication is missing or unclear, perception can trump technical measures, tipping the balance from confidence to complaints (BOMA).

Why It Matters More in 2026

The stakes are rising. Multiple studies show that during wildfire events, indoor air can reach one-third to three-quarters of outdoor particulate concentrations in buildings lacking robust mitigation (PMC). Residential buildings in fire-affected areas have shown infiltration ratios reflective of this risk (PMC). In some wildfire-impacted care environments, indoor concentrations have peaked near 200 µg/m³ (NCBI). In contrast, well-configured filtration systems often reduce that exposure to roughly 43% of outdoor levels, showing how effectively mitigation can work (NCCEH).

The human health impacts are significant. Fine particulate matter (PM₂.₅) is linked to asthma flare-ups, reduced lung function, and cardiovascular stress (EPA). Sensitive populations (children, older adults, and those with pre-existing conditions) are most at risk (CDC). However, research also shows that even healthy adults are not immune to short-term exposure (PubMed). Harvard-led studies estimate that wildfire smoke has caused over 15,000 premature deaths in the U.S. in recent decades, with an associated economic burden of $160 billion (Harvard). For employers and property leaders, this translates into absenteeism, healthcare costs, and measurable productivity loss (National Bureau of Economic Research).

At the same time, smoke is a mechanical stressor. It accelerates filter clogging, pushes fans outside their normal operating range, and drives up energy consumption (ScienceDirect). Facility executives consistently report higher unplanned maintenance costs during wildfire season, along with shortened asset life for critical HVAC equipment (Facility Executive). Viewed at scale, these costs ripple upward into operational budgets and capital planning, making smoke days not just a maintenance issue but a financial liability.

What Smoke Events Do to Commercial HVAC Systems

Wildfire smoke can be seen as just “dirty air", but to get deeper, it is a dense mix of ultrafine particles, ash, organic compounds, and combustion byproducts that behave differently from typical urban pollution.

When these particles enter HVAC systems, three operational challenges occur simultaneously:

Rapid filter loading and front loading: Fine smoke particles quickly accumulate on the front face of filter media rather than distributing evenly through the depth of the filter. This “front loading” effect increases resistance to airflow much faster than normal particulate loading.
Fan energy increases: As pressure across the filter bank rises, fans must work harder to maintain airflow.
Airflow imbalance: Systems designed for stable pressure conditions may struggle to maintain balanced ventilation across zones.

During heavy smoke events, these mechanical effects can compound quickly. What begins as a minor filtration issue can cascade into comfort complaints, airflow deviations, and unexpected service calls.

Rethinking Preparedness

Preparedness today requires more than having spare filters in storage. Facilities that treat smoke season as part of their risk portfolio are proving more resilient. Research shows that buildings operating with lower baseline pressure drops have more headroom when smoke events occur, allowing systems to maintain airflow without tipping into alarm states (ScienceDirect). Forward-looking teams also map their most critical zones (like labs, classrooms, care units, or executive suites) and prioritize them during smoke events, an approach recommended in EPA guidance for schools and commercial buildings (EPA).

Another resilience factor is vendor readiness. Case studies after the 2020 smoke season showed that supply chain bottlenecks caused delays of days to weeks in replacing filters and components, leaving unprepared facilities exposed (NC State). Facilities that negotiated priority contracts in advance were able to maintain schedules even during regional demand surges. Similarly, using AQI forecasts and on-site PM₂.₅ sensors has been shown to improve response times; by acting early, facilities reduce exposure and minimize tenant complaints (PMC).

Wildfire readiness also intersects with broader sustainability and ESG commitments. Poor indoor air quality during smoke events undermines health-related certifications like WELL and LEED, while higher fan energy use increases a building’s carbon footprint (USGBC; IWBI). Integrating smoke resilience into ESG strategies provides measurable benefits for investors and stakeholders while demonstrating a proactive approach to tenant wellness.

Three Questions Facility Leaders Should Ask Before Smoke Season

Forward-looking facility teams increasingly treat wildfire smoke the same way they treat winter storms or heat waves: as a seasonal operational risk.

Before wildfire season begins, three questions can help identify vulnerabilities:

1. How much airflow headroom does the HVAC system have?

Buildings operating near maximum pressure limits may struggle when filters load rapidly during smoke events.

2. Are replacement filters and components secured in advance?

Regional smoke events often trigger sudden demand spikes, delaying shipments and increasing costs.

3. Are response protocols clearly defined?

Teams should know when to increase filtration, adjust outdoor air intake, and communicate with tenants.

Facilities that answer these questions early often respond faster and maintain better building performance during smoke days.

The Bottom Line

Facilities without strong preparedness can see indoor pollutant levels rise to 75% of outdoor concentrations during wildfire events, while prepared buildings cut that exposure nearly in half (NCCEH). Harvard-led analyses estimate that wildfire smoke causes tens of billions of dollars in annual economic damage, largely through absenteeism and healthcare costs (Harvard). From a mechanical standpoint, smoke accelerates filter clogging, forces fans to operate at higher energy use, and shortens asset lifespan, driving up costs across operations and capital planning (Facility Executive).

The buildings that are prepared today will reduce alarms, complaints, and unplanned expenses tomorrow, while earning the trust of the people inside. Tenants will remember which buildings felt steady, cared for, and resilient when the outside air was anything but.

The Environmental Advantages of Building Green

Jennifer Crowley
Jul 28, 2023
3 min read

Updated: Jul 9, 2024

Tiered green glass office building surrounded by trees and even has greenery on the rooftop — Green building takes into account the life cycle of a building, including the impact of construction, operation, maintenance, and eventual demolition or recycling to minimize its impact on the environment..

As concerns about climate change and the environment continue to grow, more and more people are turning to sustainable building practices. One popular approach is green building, which seeks to minimize the environmental impact of construction and promote a healthier, more sustainable way of living. In this post, we will explore the concept of green building and its environmental benefits.

Defining Green Building

A Green building, also known as sustainable building or eco-building, refers to the practice of designing and constructing buildings in a way that minimizes their environmental impact. The environmental advantages of Green Building include everything from reducing energy and water consumption to using eco-friendly materials and promoting a healthier indoor environment. Green building also takes into account the life cycle of a building, including the impact of construction, operation, maintenance, and eventual demolition or recycling.

Green building is a holistic approach that looks at the entire building and its surroundings. For example, a green building might be designed to work harmoniously with the natural environment, incorporating elements like passive solar heating or natural ventilation. It might also prioritize using recycled or locally sourced materials, reducing transportation emissions and supporting the local economy.

Environmental Advantages of Building Green

Green building offers a wide range of environmental benefits. Here are some examples of the most significant advantages:

Reduced carbon footprint: Buildings significantly contribute to greenhouse gas emissions and climate change. Green buildings are designed to minimize this impact by reducing energy consumption and using renewable energy sources like solar or wind power. By doing so, they help to reduce the amount of greenhouse gas emitted into the atmosphere.
Conservation of natural resources: Traditional building practices often rely on non-renewable resources like virgin timber and fossil fuels. Green building prioritizes using sustainable materials, such as recycled steel, bamboo, and reclaimed wood. It also promotes using water-efficient fixtures, like low-flow toilets and showerheads, and reusing greywater. By reducing the demand for new resources and minimizing waste, green building helps to conserve natural resources and reduce the environmental impact of construction.
Improved indoor air quality: Traditional building materials often contain harmful chemicals and pollutants that can affect indoor air quality. On the other hand, green building emphasizes the use of non-toxic, low-emission materials, such as low-VOC paints, adhesives, and sealants. It also prioritizes ventilation and air filtration systems to promote a healthier indoor environment.
Energy efficiency: Green buildings are designed to use less energy, reducing fossil fuel demand and mitigating climate change’s effects. This can be achieved through various measures, such as using insulation and air sealing to reduce heat loss, installing energy-efficient HVAC filters, lighting and appliances, and utilizing renewable energy sources like solar or wind power.

Real-Life Examples

Green building is becoming increasingly common around the world. Here are some real-life examples of green buildings and their environmental benefits:

The Bullitt Center

Facade of the Bullit Center in Seattle Washington — The Bullit Centre's sustainable architecture aims to achieve net-zero in energy and water usage.

Seattle, United States

The Bullitt Center is a 6-story office building that is designed to be completely self-sustaining, generating its own electricity, collecting and filtering rainwater, and composting its own waste. It is also constructed with a range of eco-friendly materials, including Forest Stewardship Council-certified wood and low-VOC finishes.

The Pixel Building

Melbourne, Australia

The Pixel Building is a multi-use building powered entirely by renewable energy, with a 98-kilowatt solar array on the roof. It is also constructed with a range of sustainable materials, such as recycled content carpet tiles and low-VOC paints. The building is designed to be carbon-neutral over its lifetime, offsetting any carbon emissions produced during construction and operation.

The Edge

Amsterdam, Netherlands

The Edge is a futuristic office building designed to be one of the most sustainable buildings in the world. It features a range of innovative green technologies, including a smart lighting system that adjusts to the needs of individual employees and a rooftop solar array that provides all of the building’s electricity needs. The building is also designed to be highly energy-efficient, with triple-glazed windows and a high level of insulation.

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