What was recalled
The Consumer Product Safety Commission has issued a recall involving specific heating and cooling ventilation fans manufactured by Modine Manufacturing Company under the Airedale brand name. This action affects commercial-grade units designed to provide essential climate control and indoor air quality for educational institutions, including classrooms and schools. The affected products are primarily two lines of heat pumps: the ClassMate cooling and air source heat pumps, and the SchoolMate water or ground source heat pumps. These systems are critical infrastructure in many school buildings, providing necessary heating, cooling, and ventilation to maintain safe and comfortable learning environments.
The recall is not limited to every Airedale unit ever made; it targets specific models identified by their ventilation configuration codes. Consumers and facility managers should look for units where the model number contains a "9" at the ninth digit position, followed by one of the following configuration letters: CMD C, D, or E; CMP C, D, or E; SMG H, J, K, N, or P; SMW H, J, K, N, or P; or CMS H, J, K, N, or P. The brand name "Airedale" will be visible on a sticker located on the front of the unit, while the precise model name and serial number can be found on the serial plate situated on the underside of the control unit. It is important to verify these details carefully, as the hazard is tied specifically to the motor and circuit board configuration within these particular ventilation fans.
While the exact total number of units sold globally is not specified in the recall notice, the scope of the issue is significant given the reported incidents. Modine has documented 11 separate reports of fires resulting from this defect, leading to at least $2.7 million in property damage. Although no injuries have been reported, the financial and operational impact on schools is substantial. These units were sold through Modine distributors to educational facilities across the United States. The recall was officially announced on August 20, 2026, signaling an urgent need for verification of equipment status in any building that relies on Airedale ventilation fans for its HVAC system.
If you are a facility manager, school administrator, or property owner who has installed ClassMate or SchoolMate heat pumps with the ventilation configurations listed above, your unit is potentially part of this recall. The presence of the Airedale brand does not automatically mean your unit is unsafe, but it does mean you must check the specific model number and serial plate to determine if your equipment falls within the affected group. Do not assume that a unit purchased recently is safe; the defect exists in the design of the ventilation fan motor’s circuit board protection against water intrusion.
The hazard, explained
At the heart of this recall is a specific electrical failure mode that turns a standard classroom climate control unit into a potential fire risk. The problem lies within the ventilation fan motor and its associated circuit board in Modine’s Airedale heating and cooling units. Under normal operating conditions, these components work together to move air efficiently, maintaining comfortable temperatures and ensuring good indoor air quality. However, if water manages to penetrate the internal components and come into contact with the circuit board, it creates a dangerous pathway for electricity. Water is conductive, so when it bridges connections on the board that are designed to be separate, it causes a short circuit.
This short circuit does not just stop the fan from working; it generates excessive heat rapidly. The electrical current arcs across the unintended path created by the moisture, causing the unit to overheat. Because these heat pumps are installed in classrooms and schools, they often operate for long periods during the day. If the overheating continues unchecked, the intense heat can ignite nearby combustible materials within the unit’s housing or surrounding insulation. This is not a theoretical risk; Modine has already documented 11 separate incidents where this exact sequence of events resulted in actual fires, causing significant property damage totaling at least $2.7 million.
It is important to understand why water gets into these systems in the first place. While the recall facts do not specify a single cause for the water intrusion, ventilation fans in educational facilities are exposed to various environmental factors that can lead to moisture buildup. This might include condensation from high humidity, leaks from nearby plumbing or roofing issues, or even maintenance errors during previous service visits. Regardless of how the water arrives, its presence on the live electrical components is the critical trigger. The circuit board is not sealed against such intrusion in a way that prevents shorting under these specific conditions.
The danger here is twofold. First, there is the immediate risk of electrical fire, which can spread quickly in a school environment filled with flammable materials like paper, wood furniture, and synthetic fabrics. Second, while no injuries have been reported to date, the potential for harm is severe. Fires in occupied buildings pose risks not only from flames but also from smoke inhalation and structural collapse. The fact that these units are located in classrooms means that students and staff are in close proximity to the hazard during operation. This is why the recall emphasizes immediate cessation of use. You cannot rely on the unit’s internal safety mechanisms to prevent this specific type of failure, as the short circuit happens too fast for standard thermal fuses to react in time. The only way to eliminate the risk is to physically disconnect the power source or turn off the internal disconnect as instructed by Modine.
Who is most at risk
To understand who is truly vulnerable in this recall, it is important to first clarify that this is not a product found in private homes. The Modine Manufacturing Company is recalling ventilation fans installed specifically within ClassMate cooling and air source heat pumps, as well as SchoolMate water and ground source heat pumps. These units are designed to provide heating, cooling, and high indoor air quality for classrooms and schools. Therefore, the primary group at risk is not individual homeowners, but rather the occupants of educational facilities where these specific HVAC systems were installed. This includes students, teachers, school staff, and maintenance personnel who spend significant amounts of time in buildings equipped with these Airedale-branded units.
The nature of the hazard—electrical short circuits leading to overheating and fire—creates a unique set of risks for these environments. Schools are high-occupancy spaces where large numbers of people, particularly children, gather in enclosed areas. Children may be less aware of early warning signs of electrical failure, such as unusual smells or sounds, compared to adults. Furthermore, in the event of a fire, the rapid evacuation of young students requires clear pathways and unobstructed exits. A fire originating within the HVAC system, which is often located in ceilings, walls, or mechanical rooms adjacent to classrooms, could compromise these escape routes or fill hallways with smoke before alarms are fully activated.
Additionally, the recall involves units that supply heating and cooling, meaning they are active during various seasons. While the risk of fire exists whenever the unit is powered, the presence of students during school hours significantly increases the potential for harm if a failure occurs during instructional time. Teachers and staff, who are responsible for the safety of their students, are also at heightened risk because they may be in closer proximity to the equipment during daily operations or maintenance checks. While no injuries have been reported to date, the $2.7 million in property damage from 11 separate fire incidents underscores that the physical infrastructure is already being compromised. The vulnerability lies not just in the potential for personal injury, but in the disruption of educational continuity and the safety of a population that relies on the facility for their daily routine.
It is also worth noting that while the hazard involves electrical components, the risk is not limited to those who touch the unit. The danger is environmental; smoke and heat can spread through ventilation ducts, potentially affecting rooms far from the source of the fault. This means that even individuals in classrooms or offices that do not directly house the recalled fan could be exposed to hazardous conditions if the fire suppression systems fail or if evacuation is delayed. Therefore, the "at risk" population extends beyond immediate neighbors of the unit to anyone in the building's air stream.
How to tell if you have the recalled item
Identifying whether your heating and cooling unit is part of this specific recall requires careful attention to detail, as the affected products are specialized commercial equipment rather than standard household appliances. The first thing you should look for is the brand name. On the front of the unit, there will be a sticker clearly displaying the name Airedale. This is the key identifier that links the product to Modine Manufacturing Company and confirms it falls under this safety notice.
Once you have confirmed the brand, you need to locate the technical specifications. The model name and serial number are not on the front sticker; instead, they are found on a serial plate located on the underside of the control unit. You may need to look underneath the main body or access panel to find this plate. It is crucial to check the details on this plate against the specific models listed in the recall because the hazard affects only certain configurations within the ClassMate and SchoolMate product lines.
The recall targets ventilation fans in two main categories of equipment: ClassMate cooling and air source heat pumps, and SchoolMate water or ground source heat pumps. These units are designed to supply heating, cooling, and high indoor air quality for classrooms and schools. You must verify if your unit is one of these types before proceeding.
If you have a ClassMate or SchoolMate unit, check the model configuration carefully. The recall applies to models with specific ventilation configurations identified by Digit 9 on the serial plate. For ClassMate units, look for CMD C, D, or E; CMP C, D, or E; SMG H, J, K, N, or P; SMW H, J, K, N, or P; and CMS H, J, K, N, or P. For SchoolMate units, the affected models are those with configurations H, J, K, N, or P. If your unit’s Digit 9 matches one of these codes, it is included in the recall.
Since these are commercial-grade systems installed in educational facilities, they may not have a standard retail price tag visible to you. However, if you are a facility manager or property owner, you can use the serial number on the underside plate to contact Modine directly for verification. Do not guess based on appearance alone; the electrical configuration inside is what matters. If you are unsure whether your unit matches these exact model codes, stop using it immediately and reach out to Modine Manufacturing Company at 888-636-8627 or via email at ProductSafety@modine.com for help confirming your specific unit’s status.
What to do — step by step
If you own one of the recalled Airedale heating and cooling ventilation fans, the most important thing you can do for your safety is to act quickly. The risk here is real: water getting into the circuit board can cause a short circuit, leading to overheating and potentially starting a fire. Because electrical fires can spread rapidly and are difficult to control once they start, waiting is not an option. Please follow these steps carefully to secure your building and get the necessary repairs done at no cost to you. First, stop using the affected heat pumps immediately. This is not a drill or a minor inconvenience; it is a critical safety measure. The recalled units include ClassMate cooling and air source heat pumps, as well as SchoolMate water/ground source heat pumps, specifically those with ventilation configurations CMD C, D, or E; CMP C, D, or E; SMG H, J, K, N, or P; and SMW H, J, K, N, or P. If you are unsure whether your unit is included, check the sticker on the front for the "Airedale" brand name and look at the serial plate on the underside of the control unit for the model details. Once you have confirmed that your unit matches one of these models, do not attempt to turn it back on or use it for heating or cooling until further notice. Next, contact Modine Manufacturing Company to get written instructions on how to safely disconnect the unit. You can reach them toll-free at 888-636-8627 between 8 a.m. and 5 p.m. Central Time, Monday through Friday. You may also email ProductSafety@modine.com or visit their recall page at https://www.modine.com/recall and click on "Recalls" at the bottom of the screen. When you speak with them, ask for specific written guidance on how to unplug the recalled ventilation fan or how to switch the internal disconnect in the fan to the "off" position. It is vital that you follow their exact instructions because improper handling of electrical components can pose additional risks. Having these steps in writing ensures you don’t miss any critical details when you are trying to secure the area. After you have safely disconnected the unit, contact your Modine distributor to arrange for a free inspection and service. The remedy for this recall is not just a temporary fix; service technicians will come to inspect and either repair or replace the recalled heating and cooling OA/EA ventilation fans in all affected units. This service is provided at no cost to you, so do not hesitate to schedule it as soon as possible. By getting the unit inspected and repaired or replaced, you are ensuring that your classroom or school continues to provide safe, high indoor air quality without the risk of fire. Please act now to protect your community and avoid the potential for significant property damage, which has already occurred in 11 reported incidents totaling over $2.7 million.Your refund, repair, or replacement options
When you discover that your Modine Airedale heating and cooling ventilation fan is part of this recall, the first thing to know is that you do not need to bear the cost of resolving this issue. The remedy provided by Modine Manufacturing Company is comprehensive and designed to eliminate the fire hazard entirely through professional service, rather than requiring you to replace the entire unit yourself. Because these are specialized commercial-grade units installed in classrooms and schools, the company has structured the process to ensure that safety is restored without disrupting your operations or imposing unexpected financial burdens.
Your primary option is a free inspection and service arranged through your Modine distributor. This is not a simple mail-in repair; it requires the involvement of trained professionals who can safely access the internal components of the heat pump. You will need to contact the distributor from whom you originally purchased or leased the unit. They will coordinate with service technicians who will come to your location to inspect the recalled OA/EA ventilation fans. These technicians are equipped to either repair the existing units or replace them if necessary. This distinction is important because it means that in many cases, your specific hardware may be saved and returned to safe operation, but only after the critical flaw in the circuit board protection has been addressed.
Before any service technician arrives, you are expected to take immediate interim safety measures. You must stop using the recalled heat pumps right away. Modine provides written instructions for two specific ways to secure the unit: you can either unplug the ventilation fan or switch the internal disconnect in the fan to the "off" position. This step is crucial because it physically isolates the power source, preventing the motor from short-circuiting if water reaches the circuit board while you wait for professional help. Do not attempt to open the unit yourself; let the trained service technician handle all internal inspections and repairs.
If you have questions about which distributor to contact or need assistance initiating this process, Modine has set up direct channels for consumer support. You can reach them toll-free at 888-636-8627 between 8 a.m. and 5 p.m. CT, Monday through Friday. Alternatively, you may email ProductSafety@modine.com or visit https://www.modine.com/recall and click on "Recalls" at the bottom of the page. These resources are in place to guide you through the logistics of scheduling your free service. There is no mention of a cash refund in this recall notice; the focus is squarely on fixing the fire hazard through inspection and repair or replacement of the faulty components by authorized personnel.
What can happen if you ignore it
When a recall involves a fire hazard, the stakes are inherently high, and continuing to use the affected equipment is not merely an inconvenience—it is a gamble with your property and safety. The recalled Modine Airedale heating and cooling ventilation fans present a specific and dangerous failure mode: if water reaches the circuit board within the motor, it can cause a short circuit. This electrical fault does not just stop the fan from working; it generates excess heat that can quickly escalate into a fire. By ignoring this recall, you are leaving an active ignition source unaddressed in your building’s climate control system.
The reality of this risk is underscored by the data Modine Manufacturing Company has already gathered. The company has received 11 separate reports of incidents where these specific fans resulted in fires. These are not theoretical possibilities; they are documented events that have already occurred. While it is reassuring that no injuries have been reported to date, the extent of the physical damage is significant. These 11 incidents have caused at least $2.7 million in property damage. This figure represents more than just burnt equipment; it includes damaged classrooms, schools, and potentially other building infrastructure. Ignoring the recall means you are statistically increasing your likelihood of becoming the next entry in this list of costly failures.
Furthermore, the context of where these units are installed amplifies the potential consequences. These ClassMate and SchoolMate heat pumps are designed to supply heating, cooling, and high indoor air quality in classrooms and schools. These are occupied spaces with students, staff, and valuable educational materials. A fire originating in a ventilation fan within such a facility can spread rapidly through ductwork, potentially trapping occupants or disrupting critical operations during school hours. The "how" of this danger is mechanical: the short circuit creates heat faster than the system’s natural safeguards might handle, especially if the environment allows for moisture intrusion. Without immediate intervention, that heat becomes a flame.
Finally, consider the long-term implications of inaction. If you do not arrange for the free inspection and service offered by Modine, the defect remains permanently embedded in your unit. You are essentially carrying a liability that could trigger an insurance claim dispute or a safety inspection failure later on. The remedy is clear and provided at no cost to you: unplug the fan or switch the internal disconnect to "off," and have a technician inspect, repair, or replace the unit. Choosing to do nothing leaves you vulnerable to a preventable disaster that has already proven its capacity for destruction in over a dozen other locations. The window to act is open now; closing it invites unnecessary risk.
Staying safe: broader tips
While this specific recall addresses a critical flaw in certain Modine ventilation units installed in educational facilities, the underlying principle applies to all of us when managing electrical equipment in our own homes. The hazard here stems from water interacting with live electrical components, a scenario that can occur in any environment where humidity is high or where accidental spills happen. To prevent similar issues in your own space, start by understanding the importance of environmental control. In areas like bathrooms, basements, laundry rooms, and kitchens, moisture is the enemy of electronics. Ensure that your HVAC systems, dehumidifiers, and water heaters are installed with adequate clearance from potential water sources. Regularly inspect the surrounding area for leaks, condensation buildup, or signs of plumbing failure. If you notice any dampness near electrical panels or appliance motors, address the source immediately before it can compromise the integrity of the wiring or circuit boards.
Beyond environmental controls, proactive maintenance is your best defense against electrical fires. Schedule annual inspections for your major appliances and heating systems. A qualified technician can check for frayed wires, loose connections, and worn-out components that might not be visible to the untrained eye. They can also verify that grounding is intact and that circuit breakers are functioning correctly. For those who live in older homes, consider upgrading outdated wiring or adding Ground Fault Circuit Interrupter (GFCI) outlets in areas prone to moisture. GFCIs are designed to shut off power instantly if they detect a ground fault, which often occurs when water bridges the gap between a live wire and a grounded surface, effectively preventing the short circuits that can lead to overheating.
Finally, stay informed about your home’s safety ecosystem. Sign up for recall alerts from the Consumer Product Safety Commission (CPSC) and other relevant agencies. Many people overlook their appliances until they break, but knowing which models are subject to recalls can save you from potential hazards before an incident occurs. Keep a digital or physical folder of your home’s major appliance manuals, model numbers, and purchase dates. This information is invaluable if a recall is announced, allowing you to quickly verify whether your unit is affected. By combining vigilant maintenance, moisture control, and staying informed, you create a layered defense that keeps your home safe from both known recalls and everyday electrical risks.