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.

What is a Green Building: Promoting Sustainability with Indoor Air Quality

Jennifer Crowley
Dec 18, 2023
4 min read

Updated: Jul 8, 2024

ground view of glass corporate office building flanked by a lush green tree — Research shows that green buildings can increase the value of real estate properties, attract and retain tenants, and contribute to the overall well-being of communities.

What is a Green Building?

In recent years, there has been a growing global interest in sustainable buildings that minimize their impact on the environment and provide a healthy indoor environment for occupants. A green building is a structure that is designed, constructed, operated, and maintained in an environmentally friendly manner. Green buildings go beyond energy efficiency and resource conservation to encompass indoor environmental quality (IEQ), including indoor air quality (IAQ).

Green buildings offer numerous benefits, from environmental and economic to social and health-related. Green buildings can help conserve natural resources, reduce pollution, and save money by reducing energy consumption, water use, and waste production. They also help enhance occupant health, comfort, and productivity, by providing clean air, natural light, and comfortable temperatures. Research shows that green buildings can even increase the value of real estate properties, attract and retain tenants, and contribute to the overall well-being of communities.

Benefits of Green Buildings

Green buildings help reduce carbon, water, energy and waste. For example, the Department of Energy reviewed 22 LEED-certified buildings managed by the General Services Administration and saw that CO2 emissions were 34% lower, they consumed 25% less energy and 11% less water and diverted more than 80 million tons of waste from landfills.
According to the EPA, heating and cooling account for about 43% of all energy use in the country, contributing to air pollution and generating the most considerable amounts of greenhouse gases. Green buildings also help reduce indoor air pollutants related to severe health issues by improving energy efficiency.
A 2018 National Institute of Building Sciences (NBIS) study found that each $1 spent on mitigation activities – such as strengthening buildings and improving drainage conditions – saves $6 in response and recovery costs.
Green buildings positively affect public health. Improving indoor air quality can reduce absenteeism and work hours affected by asthma, respiratory allergies, depression and stress and self-reported improvements in productivity. USGBC’s research reinforces that employees in LEED green buildings feel happier, healthier and more productive.
Buildings account for 12% of the total water consumed in the U.S., while the average person uses 80-100 gallons of water per day. Water-efficiency efforts in green buildings help reduce water use, promote rainwater capture, and use non-potable sources.

Key Elements of Green Buildings

The key elements of green buildings are sustainable features and practices that contribute to energy efficiency, water efficiency, and environmental responsibility. Some of the key elements of green buildings include:

Energy Efficiency

Designing and constructing buildings that reduce energy consumption and minimize waste. Energy-efficient lighting, heating and cooling systems, energy-efficient appliances, and equipment can significantly reduce energy costs and contribute to a lower carbon footprint.

Water Efficiency

Designing and constructing buildings that reduce water consumption and minimize waste. Low-flow fixtures, rainwater harvesting systems, and greywater recycling systems can help conserve water resources and reduce water bills.

Indoor Air Quality (IAQ)

Designing and constructing buildings that provide clean air, natural light, and comfortable temperatures. By using high-quality building materials, insulation, and ventilation systems, green buildings can sustainably improve IAQ.

Sustainable Materials

This involves using sustainable and environmentally friendly building materials, such as recycled materials, sustainable wood, and low-emitting materials. By using these materials, green buildings can reduce waste and minimize their environmental impact.

Renewable Energy

This involves incorporating renewable energy sources, such as solar panels and wind turbines, to generate clean and renewable energy. Renewable energy can help reduce the carbon footprint of buildings and contribute to a more sustainable future.

Site Selection & Land Use

This involves selecting sites that are accessible by public transportation, walkable, and have minimal impact on the environment. Green buildings can also incorporate physical features such as green roofs and rain gardens to minimize their impact on the surrounding environment.

Indoor Air Quality Is a Key Component of Green Buildings

Indoor air quality (IAQ) is a crucial element of green buildings, as it directly impacts the health and comfort of building occupants. IAQ refers to the quality of the air inside a building and is affected by various factors, including building materials, ventilation systems, and outdoor air pollution. Poor IAQ can result in health issues, such as allergies, asthma, and respiratory infections, and can negatively impact productivity and overall well-being.

Proper ventilation can help remove pollutants and improve IAQ. Ventilation systems can include air filtration systems that remove contaminants like dust, pollen, and mould spores. HVAC systems are crucial in maintaining a healthy and sustainable indoor environment. Proper design, installation, and maintenance of HVAC systems in green buildings are essential to achieving sustainability goals. In addition, high-efficiency HVAC equipment, such as variable-speed motors, can significantly reduce energy consumption and operating costs.

High-quality HVAC filters can help lower your building’s energy consumption while improving indoor air quality. A great example is the Blade Air – Pro Filter Series. The electrostatic polarized technology is proven to:

Blade Air's Pro Filter being inserted into a typical HVAC system — High-quality HVAC filters can help lower your building’s energy consumption while improving indoor air quality.

Improve indoor air quality by 2.25x and captures particles 40x smaller than standard filters.
2x longer-lasting filter replacement.
Generate zero Ozone.
75% reduction in supply fan motor consumption

The benefits of good IAQ are significant, including improved health, increased productivity, and reduced absenteeism. Studies have shown that good IAQ can lead to a 35% increase in worker productivity. In addition, by prioritizing IAQ in building design and construction, green buildings can provide healthier and more comfortable living and working environments.

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