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  • Europe Isn’t Built for This

    Europe Isn’t Built for This

    This summer has been a lot, and not in a good way. Europe has already endured four major heatwaves since May. That’s one every few weeks, each one breaking records set by the last. Western Europe experienced its warmest June ever recorded, with an average temperature of 20.74°C, more than 3 degrees above the 1991–2020 average for the month. Barcelona hit 40.7°C in July. F.Y.I., that’s the highest in 112 years. The Czech Republic hit 41.9°C — a national record. Paris pharmacies displayed 43°C on their outdoor thermometers.

    More than 135 million people across the continent faced temperatures above 35°C at the height of the summer’s third heatwave alone. Thousands of excess deaths have been recorded. Transport systems have buckled. Hospitals have been strained. And scientists are saying plainly what the data has been showing for years: Europe is the fastest-warming continent on Earth, heating at twice the global average, and extreme heat is no longer a once-in-a-generation event. It’s the new summer.

    For building owners and facility managers operating in this environment, the question isn’t whether to take heat management seriously. It’s how. And that answer is more complicated in Europe than it might look.

    The European Problem with the Obvious Answer

    The instinct is to install air conditioning. And for many buildings and facilities, that’s absolutely the right call. But across much of Europe, it’s not as simple as calling an HVAC contractor and scheduling a job.

    Only about 20% of European homes and buildings currently have air conditioning. Compare that to nearly 90% in the United States. Many factors explain that gap, and most are structural rather than cultural. The continent’s building stock is old. Many structures were built centuries before air conditioning existed. They have thick stone walls, small windows, and no infrastructure for ductwork, refrigerant lines, or modern electrical loads. Drilling through fortress-grade stone to run conduit is not a quick job, and in many cases it’s not a cheap one either, with installation costs reaching €1,000 or more per unit before ongoing energy costs are factored in.

    Regulatory barriers add another layer. In France and the UK, rules around preserving the appearance of historic buildings can restrict or complicate exterior HVAC installations. Some cities have additional permit requirements. And with running costs in Europe roughly two to three times higher than in the U.S. because of electricity pricing, the ongoing burden of air conditioning is real. This is particularly true for smaller commercial operators and facilities in older urban buildings.

    None of this means air conditioning isn’t worth pursuing. It means that for many building owners across Europe right now, full AC installation is either not immediately feasible or not the only answer. Which is where the conversation about passive and protective heat management gets a lot more interesting.

    What European Buildings Are Actually Up Against

    Here’s the thing about a heatwave and a building: the building itself becomes part of the problem. Rooftops, exterior walls, and metal surfaces absorb solar radiation throughout the day and transfer that heat inward. This raises indoor temperatures, increasing the load on any cooling systems that do exist, and making spaces progressively less livable or workable as the afternoon wears on.

    For facilities with existing HVAC, this is an efficiency crisis. The system has to work much harder to compensate for a building envelope that actively absorbs and radiates heat. Rooftop units in direct sun can see exterior surface temperatures hit 180°F (82°C), even on days when ambient air is far cooler. These temperatures force compressors to run longer, consume more energy, and wear out faster. The European Environment Agency has noted that buildings designed primarily for warmth retention, standard in northern and western Europe, become particularly vulnerable when heat is the threat instead of the cold.

    For facilities without adequate cooling, the situation is worse. Solar heat gain through the building envelope drives indoor temperature spikes, and a reflective coating can directly address it.

    A Practical Intervention for a Complicated Problem

    ThermalBlock® (or ThermalBlock by Coat Zone®) coating is a CRRC-certified radiant barrier coating applied to exterior rooftop surfaces. These include HVAC cabinets, air handlers, exposed ductwork, and rooftop panels. It blocks solar heat before it enters the system or the building, rather than trying to remove it after the fact.

    Independent testing verifies the performance numbers: ThermalBlock® (or ThermalBlock by Coat Zone®) coating blocks up to 93% of solar heat gain, reduces treated surface temperatures to within 10°F (5.5°C) of ambient air even under peak summer conditions, and has a Solar Reflective Index of 112 (initial) and 100 (three-year aged). That SRI was confirmed by the Cool Roof Rating Council. Its solar reflectance of 0.89 and thermal emittance of 0.87 mean it both reflects incoming radiation and efficiently releases any heat it does absorb, rather than holding it and transferring it inward.

    For facilities in Europe dealing with the current heat crisis, ThermalBlock® (or ThermalBlock by Coat Zone®) coating offers a few specific advantages over full AC installation as either a complement or a bridge solution:

    • It requires no structural modification, no ductwork, and no change to electrical infrastructure
    • It can be applied to new or existing surfaces in the field, with a water-based, low-VOC formulation and rapid cure time
    • It carries a 10-year warranty and has no meaningful maintenance burden after application
    • Where HVAC systems do exist, it reduces their run time and energy consumption, which lowers operating costs and extends equipment life by up to 30%
    • Where HVAC is limited or absent, it reduces the heat load entering the building envelope through rooftop surfaces, keeping indoor temperatures more stable during peak heat hours

    That last point matters particularly for facilities in older European buildings where the roof and upper floors become the primary heat absorption point on a 40°C day. Reducing solar heat gain at the source is not a replacement for cooling, but it’s a meaningful, fast, low-disruption intervention that can make a real difference in how a building performs during a heatwave.

    Where This Fits in a Broader Heat Strategy

    The World Resources Institute has noted that cities need to pair efficient cooling with passive solutions like reflective materials, green roofs, tree cover, and climate-smart building design in order to manage heat without simply driving up emissions. ThermalBlock® (or ThermalBlock by Coat Zone®) coating fits squarely in that passive-solution category. It doesn’t consume electricity, release heat into urban environments, or create a new energy burden. It just stops solar heat from becoming an indoor problem in the first place.

    For facility managers and building owners making heat management decisions right now, whether in the middle of this summer or in preparation for the ones that follow, ThermalBlock® (or ThermalBlock by Coat Zone®) coating is a practical, accessible starting point that works alongside whatever other cooling strategy is in place or under consideration.

    The heatwaves are not slowing down. In the 50 years since Europe’s historic 1976 heatwave, the continent has warmed by around two degrees. The records being set this summer suggest that pace is accelerating, not stabilizing. The buildings that manage this well in the coming decades will be the ones where someone made a practical decision to address solar heat load today.

    Interested in how ThermalBlock® (or ThermalBlock by Coat Zone®) coating can help your facility manage heat more effectively? Contact us to learn more.

    Citation List

    • Cool Roof Rating Council. “Notification of Product Rating: ThermalBlock™, Coat Zone Inc.” June 10, 2026. coolroofs.org
    • UNRIC. “Europe Heatwave 2026: WMO Warns of Rising Extreme Heat.” July 2026. unric.org
    • Euronews. “June 2026 Broke Heat Records Across Europe and Oceans, EU Climate Data Reveals.” July 9, 2026. euronews.com
    • CNN Climate. “Western Europe Has Hottest June and July on Record.” August 10, 2026. cnn.com
    • Al Jazeera. “Europe Swelters in Latest Wave of Extreme Heat.” August 13, 2026. aljazeera.com
    • Al Jazeera. “More Than 1,300 Deaths in Europe Amid Heatwave.” June 29, 2026. aljazeera.com
    • Time. “Why Is Europe So Ill-Equipped to Handle Heat Waves?” June 25, 2026. time.com
    • CNN. “European Summers Are Getting Brutally Hot. So Why Is Air Conditioning So Rare?” June 23, 2026. cnn.com
    • Ynetnews. “Europe Air Conditioning Debate Reignites as Historic Heatwave Deaths Mount.” June 28, 2026. ynetnews.com
    • Carbon Brief. “Eight Facts About Air Conditioning Amid an Overheated Global Debate.” July 10, 2026. carbonbrief.org
    • World Resources Institute. “Europe’s Soaring Heat and the Great Air Conditioning Dilemma.” June 30, 2026. wri.org
    • European Environment Agency. “Cooling Buildings Sustainably in Europe.” eea.europa.eu
    • ScienceInsights. “Why Doesn’t Europe Have Air Conditioning?” March 29, 2026. scienceinsights.org
  • Safeguarding Infrastructure: Combatting Mold in Your HVAC Systems

    Safeguarding Infrastructure: Combatting Mold in Your HVAC Systems

    For leaders in the infrastructure sector, the integrity and performance of critical systems are paramount. Among the silent threats that can undermine efficiency, compromise indoor air quality, and even lead to costly downtime is the pervasive issue of mold in HVAC systems. While often overlooked until a problem becomes apparent, understanding what causes mold to proliferate and how to prevent it is crucial for maintaining healthy, efficient, and long-lasting HVAC assets within your commercial and industrial environments.

    Why Mold Thrives in HVAC

    Mold in HVAC systems isn’t just an aesthetic issue; it’s a significant operational and health concern in large-scale facilities. The conditions within commercial HVAC units—particularly on cooling coils and in drain pans—are often ideal for microbial growth. As emphasized by the U.S. Environmental Protection Agency (EPA), mold growth is fundamentally dependent on the presence of moisture [1]. Several factors contribute to this unwelcome phenomenon in commercial settings:

    • Persistent Moisture Accumulation: The primary culprit. Mold spores are ubiquitous and will grow if moisture is present [2]. In commercial HVAC systems, condensation on cooling coils, leaks, and clogged drain pans can lead to persistent dampness, creating the essential conditions for mold proliferation [1, 2].
    • Abundant Organic Matter: Mold requires a food source to grow, and organic materials commonly found in building dust, dirt, and debris that accumulate in HVAC systems serve this purpose [1, 3]. These microscopic particles settle on moist surfaces, providing the necessary nutrients for mold to germinate and colonize.
    • Concealed & Stagnant Conditions: The interior of large-scale HVAC units, air handlers, and extensive ductwork is typically dark and can have areas of stagnant air, which promote mold growth once spores establish themselves [2].
    • Operational Cycling and Temperature Differentials: While large commercial systems operate to maintain precise temperatures, the constant cooling cycles create the necessary temperature differentials for condensation, further contributing to a mold-friendly environment.

    Left unaddressed, mold in the HVAC system can lead to significantly reduced airflow, decreased system efficiency, unpleasant musty odors, and—most critically—the widespread dispersion of mold spores throughout occupied spaces. The Centers for Disease Control and Prevention (CDC) warns that mold exposure can cause a range of health issues, including respiratory problems, asthma exacerbation, allergic reactions, and irritation of the eyes, skin, nose, throat, and lungs [4]. For critical infrastructure, this can translate to operational disruptions, increased energy consumption, compliance challenges, and a compromised working environment.

    Beyond Band-Aids: Proactive Prevention with Specialized Coatings

    Many approaches attempt to address mold in HVAC systems, ranging from reactive cleaning protocols to frequent filter replacements. While these are essential components of a robust maintenance program, they often fall short of providing a true, long-term preventative solution, especially on the intricate surfaces where mold first takes root. The Occupational Safety and Health Administration (OSHA) explicitly states that the most effective way to prevent mold growth is to control moisture and to clean and dry any wet or damp building materials within 24-48 hours [3]. This is where advanced surface protection becomes invaluable.

    Coat Zone understands that preventing mold in HVAC requires addressing the problem at its source: the susceptible surfaces themselves. Our specialized antifungal and antimicrobial coatings are engineered to create an inhospitable environment for mold and other microbial growth, significantly reducing the risk of contamination and deterioration within your commercial HVAC infrastructure.

    How Coat Zone’s CoilSafe Solutions Offer Superior Protection:

    • CoilSafe®: This foundational coating is designed for the interior coils of your HVAC system. It provides a durable, smooth barrier that minimizes the adhesion of airborne organic matter, making coils easier to clean and significantly reducing the potential for microbial buildup [7]. By maintaining clean coils, CoilSafe® ensures optimal airflow and heat transfer, thereby preserving system efficiency, which is crucial for large-scale operations.
    • CoilSafe® Plus™: Taking protection a step further, CoilSafe® Plus™ incorporates advanced antimicrobial properties directly into the coating. This active defense inhibits the growth of bacteria, mold, and other microorganisms directly on the coil surfaces [7]. These advanced properties create a microscopic environment on the coil where microorganisms cannot readily thrive or reproduce, effectively preventing biofilm formation and subsequent mold colonization, thereby offering an enduring barrier against mold in HVAC [7].

    By applying these specialized coatings, you are not simply reacting to mold; you are proactively preventing its establishment and growth. This means:

    • Improved Indoor Air Quality: Crucial for employee health and compliance in commercial settings.
    • Enhanced System Efficiency: Optimized heat exchange and reduced energy consumption, directly impacting operational costs.
    • Extended Equipment Lifespan: Protecting sensitive coil surfaces from biological degradation, prolonging asset life.
    • Reduced Maintenance Costs: Less frequent and less intensive coil cleaning is required, resulting in minimized disruption.

    For leaders in the infrastructure sector, investing in preventative measures like Coat Zone’s CoilSafe® and CoilSafe® Plus™ is not merely a maintenance expense—it’s a strategic decision that safeguards high-value assets, protects personnel health, and ensures the uninterrupted operation of critical facilities.

    Partnering for Healthier, More Resilient Infrastructure

    At Coat Zone, we are dedicated to providing the highest quality antifungal and antimicrobial coatings for your commercial and industrial HVAC systems. While we own these innovative coating technologies, we partner with a network of approved dealers who are experts in their professional application. This ensures that every installation meets our rigorous standards for effectiveness and durability, providing you with a reliable and long-lasting solution against mold in HVAC.

    Don’t wait for mold to compromise your infrastructure. Take a proactive stance with Coat Zone’s proven solutions.

    Take the Next Step: Schedule a Consultation

    Are you ready to fortify your HVAC systems against the unseen threat of mold and ensure the highest standards of air quality and operational efficiency within your facilities? Contact Coat Zone today to schedule a consultation. Our experts and approved dealers are ready to discuss your specific needs and demonstrate how CoilSafe® and CoilSafe® Plus™ can provide the lasting protection your infrastructure deserves.

    Sources:

    1. U.S. Environmental Protection Agency (EPA). “Mold Remediation in Schools and Commercial Buildings.” EPA 402-K-01-001, March 2001. Available at: https://www.epa.gov/mold/mold-remediation-schools-and-commercial-buildings-guide-chapter-1
    2. U.S. Environmental Protection Agency (EPA). “Should You Have the Air Ducts in Your Home Cleaned?” EPA Publication No. 402-K-97-002, October 1997. While focused on homes, the fundamental principles of condensation and moisture accumulation leading to mold in HVAC systems are universally applicable to commercial systems. Available at: https://www.epa.gov/indoor-air-quality-iaq/should-you-have-air-ducts-your-home-cleaned
    3. Occupational Safety and Health Administration (OSHA). “A Brief Guide to Mold in the Workplace.” OSHA Safety and Health Information Bulletin (SHIB 10-10-03), October 2003. Available at: https://www.osha.gov/publications/shib101003
    4. Centers for Disease Control and Prevention (CDC). “About Mold.” CDC, September 2020. Available at: https://www.cdc.gov/mold-health/about/index.html
    5. National Institute for Occupational Safety and Health (NIOSH). “Mold Testing and Remediation.” CDC/NIOSH. Available at: https://www.cdc.gov/niosh/mold/testing-remediation/index.html
    6. U.S. Environmental Protection Agency (EPA). “Mold.” EPA Website. Available at: https://www.epa.gov/mold