What was recalled
In April of 2020, the Consumer Product Safety Commission (CPSC) announced a significant safety recall involving wall-mounted fan heaters produced by Stelpro Design. Specifically, this action targeted the Sonoma line of wall fan heaters, a popular category of heating appliances designed to provide supplemental warmth for individual rooms. The recall is not limited to just one or two variations of the product; it encompasses a broad range of model numbers within the ASSO and ASSOS Sonoma series. This means that if you have a white heater with the Stelpro name prominently displayed on the front, it may be part of this specific safety alert depending on its exact model code.
The scope of this recall is defined by precise manufacturing details rather than just the brand name. The affected units are those with version or production codes numbered 47-19 or prior. This distinction is critical because heaters produced after this date were manufactured with corrected components that meet safety standards, whereas the recalled units contain an internal part that fails to meet flammability performance requirements. Consumers need to look closely at their specific device to determine if they are included in this group.
The list of affected model numbers is extensive, covering various configurations and power ratings within the ASSO and ASSOS families. The models included in the recall are: ASSO1501T2TW, ASSOS1501MW, ASSO1501T2TWBBW, ASSOS1501MWBBW, ASSO1501T2W, ASSOS1501W, ASSO1501T2WBBW, ASSOS1501WBBW, ASSO1501WCW, ASSOS1501WCW, ASSO1501WCWBBW, ASSOS1501WCWBBW, ASSO1502T2TW, ASSOS1502WCW, ASSO1502T2TWBBW, ASSOS1502WCWBBW, ASSO1502T2W, ASSOS2002MW, ASSO1502T2WBBW, ASSOS2002MWBBW, ASSO1502WCW, ASSOS2002W, ASSO1502WCWBBW, ASSOS2002WBBW, ASSO2002T2TW, ASSOS2002WCW, ASSO2002T2TWBBW, ASSOS2002WCWBBW, ASSO2002T2W, ASSOS2008MW, ASSO2002T2WBBW, ASSOS2008MWBBW, ASSO2002WCW, ASSOS2008W, ASSO2002WCWBBW, ASSOS2008WBBW, ASSO2008T2TW, ASSOS2008WCW, ASSO2008T2TWBBW, ASSOS2008WCWBBW, ASSO2008T2W, ASSO2008T2WBBW, ASSO2008WCW, and ASSOS2008WCWBBW.
While the provided recall facts do not specify the exact number of units sold or the specific retail stores where these heaters were purchased, they confirm that this was a nationwide distribution issue managed by Stelpro Design. The recall was officially announced on April 2, 2020. If you own one of these models, it is essential to verify your unit's production code immediately, as the safety risk is tied directly to the manufacturing date and version rather than just the visual appearance of the heater.
The hazard, explained
When you are looking at a wall-mounted fan heater like the Stelpro Sonoma series, it is easy to assume that because it is plugged into your wall and controlled by a simple switch or thermostat, it is inherently safe. However, this specific recall highlights a critical failure point that exists well below the surface of those plastic casings. The core issue identified by the Consumer Product Safety Commission (CPSC) is not with the fan motor, the heating coils, or even the external wiring that connects to your home’s power source. Instead, the problem lies in an internal component within the heater’s assembly that fails to meet strict flammability performance requirements. This means that while the part may function correctly for a time, it is made of materials that are too vulnerable to heat or electrical arcing. In simpler terms, if something goes slightly wrong internally—a small spark, a momentary surge, or just the gradual buildup of heat from normal operation—that specific internal part can catch fire rather than remaining stable.
To understand why this is dangerous, it helps to look at how these heaters are designed and where they live in your home. Wall fan heaters are typically installed directly into or flush against interior walls, often behind furniture, curtains, or simply in a corner of a living room or bedroom. Because they are enclosed by the wall structure and often surrounded by combustible materials like drywall insulation, wood framing, or upholstered furniture, any ignition source inside the unit has very little room to vent heat safely. When an internal part lacks proper fire resistance, it can act as the initial spark in a chain reaction. The plastic housing of the heater itself may then become fuel for that fire, allowing flames to spread rapidly before anyone notices smoke or smell burning.
The severity of this hazard is underscored by the fact that Stelpro has already received five reports of these units overheating. Overheating is often the precursor to failure in electrical components; when a part cannot withstand the thermal stress it is designed to handle, its integrity degrades. In many cases, this degradation leads directly to melting, charring, or ignition. While there have been no reported injuries from these incidents so far, the potential for harm is significant because fires starting inside walls are notoriously difficult to detect early. Smoke alarms may not trigger until flames breach the wall cavity, by which time the fire may have already grown substantial. This recall serves as a vital warning that even if the heater appears to be working normally—blowing warm air without unusual noises—the internal material flaw remains a latent risk waiting for the right conditions to ignite.
It is important to distinguish this mechanical failure from general usage errors. You are not being asked to stop using your heater because you turned it on too long or placed it in a drafty room. The danger is intrinsic to the manufacturing of these specific units. The internal part, whether it is a wire insulation, a switch component, or a connector, simply does not have the fire-retardant properties required by safety standards for this class of appliance. This is a design and material specification issue that only the manufacturer can resolve, which is why a simple repair is not an option; the entire unit must be replaced to ensure you are no longer living with a potential ignition source inside your walls.
Who is most at risk
The primary group at risk in this recall consists of households that have installed the Stelpro Design Sonoma wall fan heaters. Because these units are mounted directly to the wall, they are often placed in rooms where people spend significant amounts of time, such as bedrooms, living rooms, or home offices. The hazard stems from an internal component that fails to meet flammability standards. This means that while the heater appears to function normally on the outside, the internal materials could potentially ignite if they become too hot. Therefore, anyone who owns one of the specific ASSO or ASSOS models with version codes 47-19 or earlier is theoretically at risk of exposure to this fire hazard.
While any occupant of a home with these heaters faces potential danger, certain demographics are particularly vulnerable due to the nature of how and where these devices are typically used. One of the most concerning scenarios involves individuals who use these heaters in bedrooms for overnight heating. Wall fan heaters are frequently chosen for their ability to provide quiet, consistent warmth without taking up floor space. If a heater malfunctions while a person is sleeping, the window of time available to detect smoke or heat and escape the room is drastically reduced. Sleepers may not wake up in time to react to the early stages of an electrical fire, making the risk significantly higher for those using the device in this manner.
Elderly individuals and young children also face elevated risks. Older adults may have slower reaction times or mobility issues that make rapid evacuation difficult in an emergency. Additionally, they may rely more heavily on space heaters to maintain comfort if their central heating system is insufficient or if they are sensitive to cold temperatures. Young children, who might be left unsupervised in a room with the heater, cannot recognize the signs of a malfunctioning appliance or understand the danger. They may also be more likely to cover the air intake or outlet, which can exacerbate overheating issues before the internal failure even occurs.
It is important to note that while Stelpro has received five reports of overheating associated with these units, there have been no reported injuries at this time. This does not mean the risk is nonexistent; rather, it suggests that the specific trigger for a fire may be rare or dependent on prolonged use under certain conditions. However, the potential consequence of a fire is severe. The vulnerability lies not just in the likelihood of the device catching fire, but in the fact that these are plugged-in electrical appliances operating continuously in close proximity to flammable materials like curtains, bedding, or furniture. For anyone relying on this heater for daily comfort, understanding that the internal component is the weak link is crucial. The risk is highest for those who use the heater for extended periods, especially in unoccupied rooms or during sleep, where detection and response are delayed.
How to tell if you have the recalled item
If you are unsure whether the white wall fan heater hanging in your home is part of this specific recall, you need to look closely at the physical details of the unit and, most importantly, check its identification labels. The recall targets Stelpro Design’s Sonoma line of wall fan heaters. Visually, these units are distinctively white and feature the “Stelpro” brand name clearly printed on the front face. However, because color and branding alone cannot confirm safety, your primary focus must be on finding the product nameplate. This small label is not on the outside; it is located on the underside of the front cover. You will likely need to carefully remove or tilt the front panel to see it.
Once you have located the nameplate, look for two critical pieces of information: the model number and the version or production code. The recall only affects heaters with a version or production code of 47-19 or prior. If your unit has a code higher than 47-19, it is not part of this specific safety notice. Below is the complete list of affected model numbers. Please compare these carefully against your nameplate:
- ASSO1501T2TW
- ASSOS1501MW
- ASSO1501T2TWBBW
- ASSOS1501MWBBW
- ASSO1501T2W
- ASSOS1501W
- ASSO1501T2WBBW
- ASSOS1501WBBW
- ASSO1501WCW
- ASSOS1501WCW
- ASSO1501WCWBBW
- ASSOS1501WCWBBW
- ASSO1502T2TW
- ASSOS1502WCW
- ASSO1502T2TWBBW
- ASSOS1502WCWBBW
- ASSO1502T2W
- ASSOS2002MW
- ASSO1502T2WBBW
- ASSOS2002MWBBW
- ASSO1502WCW
- ASSOS2002W
- ASSO1502WCWBBW
- ASSOS2002WBBW
- ASSO2002T2TW
- ASSOS2002WCW
- ASSO2002T2TWBBW
- ASSOS2002WCWBBW
- ASSO2002T2W
- ASSOS2008MW
- ASSO2002T2WBBW
- ASSOS2008MWBBW
- ASSO2002WCW
- ASSOS2008W
- ASSO2002WCWBBW
- ASSOS2008WBBW
- ASSO2008T2TW
- ASSOS2008WCW
- ASSO2008T2TWBBW
- ASSOS2008WCWBBW
- ASSO2008T2W
- ASSO2008T2WBBW
- ASSO2008WCW
- ASSO2008WCWBBW
It is important to note that the recall announcement does not specify where these heaters were sold, their original price, or the exact dates of sale. Therefore, you cannot rely on receipts or store locations to determine if your unit is affected. Your only reliable method is to physically inspect the nameplate under the front cover. If you have one of the model numbers listed above AND your version/production code is 47-19 or earlier, you possess a recalled product. If the model number matches but the code is newer than 47-19, your unit is safe from this specific recall. When in doubt, it is always safer to stop using the device and contact Stelpro directly for confirmation.
What to do — step by step
If you own a Stelpro Sonoma wall fan heater that matches the description in this recall, your immediate priority is to eliminate the risk of fire. The safest and most responsible course of action requires a clear sequence of steps designed to protect your home and ensure you receive the correct remedy without delay. Please follow these instructions carefully.
Step 1: Stop using the heater immediately. Do not wait for the replacement part or device to arrive before taking action. The recall notice indicates that an internal component may fail to meet flammability standards, which can lead to overheating. Since Stelpro has already received five reports of overheating associated with these units, continuing to operate the heater—even briefly—poses a tangible danger. Unplug the unit from the wall outlet and leave it unplugged until you have completed the return process. This simple act removes the power source and halts any potential ignition risk while you arrange for the next steps.
Step 2: Verify your model details. Before contacting support, locate the product nameplate on the underside of the front cover. Confirm that your unit is one of the affected ASSO or ASSOS Sonoma models and, crucially, check that the version or production code is 47-19 or prior. Only units with these specific codes are included in this recall. This verification ensures you are not calling for unnecessary assistance if your newer model is unaffected, but it also confirms your eligibility for the free replacement.
Step 3: Contact Stelpro to initiate the remedy. Once you have confirmed your unit is part of the recall, reach out to Stelpro to arrange for your free replacement wall fan heater. You can do this by calling their dedicated toll-free line at 844-783-5776, extension 1204. Their customer service team is available from 8 a.m. to 5 p.m., Eastern Time, Monday through Friday. Alternatively, you may visit www.stelpro.com and navigate to the “Warnings/Safety” section at the bottom of the page, or go directly to www.stelpro.com/en-US/warnings-safety and click on the “Sonoma Safety notice.” This online portal provides specific instructions for your region and helps streamline the replacement process.
Step 4: Follow the return instructions provided. When you speak with a representative or follow the online guide, they will instruct you on how to dispose of or return the unsafe unit. Do not attempt to repair the heater yourself, as the internal failure is a manufacturing defect that cannot be safely fixed by consumers. Ensure you keep any confirmation numbers or reference IDs provided during your contact for your records.
Step 5: Install and test the replacement. Once your free replacement unit arrives, carefully read all safety instructions included with the new device before installation. This ensures that your home remains safe from this specific hazard moving forward.
Your refund, repair, or replacement options
If you have confirmed that your Stelpro Sonoma wall fan heater is part of this recall, the most important step you can take right now is to stop using the device immediately. While the urge to keep your heating system running during colder months is understandable, safety must come first. Fortunately, Stelpro has established a straightforward remedy for this situation. They are not asking you to simply return the faulty unit and wait in line for a refund; instead, they are offering you a free replacement wall fan heater. This approach is designed to minimize inconvenience while ensuring that your home remains warm with a safe, compliant device rather than leaving you without heat or dealing with the hassle of shipping back a heavy appliance.
To initiate this process, you will need to contact Stelpro directly. The company has set up specific channels for consumers to access this remedy. You can call their dedicated toll-free number at 844-783-5776, making sure to enter extension 1204 when prompted. It is helpful to know that customer service representatives are available from 8 a.m. to 5 p.m., Eastern Time, Monday through Friday. If you prefer to handle this online, you can visit www.stelpro.com and navigate to the bottom of the page to click on “Warnings/Safety.” From there, look for the “Sonoma Safety notice” to find further instructions. Alternatively, you may go directly to www.stelpro.com/en-US/warnings-safety and click on the same “Sonoma Safety notice” link. These digital resources are tailored to guide you through the specific steps required to claim your free replacement.
When you reach out to Stelpro, have your model number and version or production code ready. As noted earlier, only heaters with version or production codes 47-19 or prior are affected by this recall. This information is located on the product nameplate on the underside of the front cover. Providing these details will help the customer service team verify your eligibility quickly and accurately. The company has stated that they will provide information on receiving the free replacement, which implies they will handle the logistics of sending you a new unit at no cost to you. There is no mention of any fees for shipping or handling in the official recall facts, so you should not expect to pay anything out of pocket for this remedy.
It is worth noting that while five reports of overheating have been received by Stelpro, there have been no reported injuries associated with these units. This suggests that the risk, while serious due to the fire hazard, has not yet resulted in harm to consumers. By taking action now and securing your free replacement, you are proactively eliminating even that small remaining risk. Do not delay in contacting the company or checking their website. The sooner you act, the sooner you can restore peace of mind and ensure your home heating is safe and reliable for the duration of the season.
What can happen if you ignore it
When a government agency like the Consumer Product Safety Commission issues a recall for a heating device, it is never done lightly. These warnings are the result of rigorous engineering analysis and real-world data that points to a specific, dangerous failure mode. In the case of the Stelpro Sonoma wall fan heaters, the core issue lies within an internal component that fails to meet necessary flammability performance requirements. This might sound like a technical detail reserved for engineers, but in practical terms, it means that if an electrical fault occurs—a spark, a short circuit, or an overheating surge—the material meant to contain that energy is not robust enough to stop it from spreading.
If you choose to ignore this recall and continue using the heater, you are essentially gambling with your home’s safety. The primary danger is fire. Because the internal part cannot withstand the heat generated by a malfunction, it can ignite. This is not merely a theoretical risk; Stelpro has already received five separate reports of these units overheating. While there have been no reported injuries to date, which is a fortunate and critical fact to note, overheating is often the precursor to ignition. A heater that gets too hot can melt surrounding components, damage wiring insulation, and eventually set nearby curtains, furniture, or wall materials ablaze. The "five reports" are not just statistics; they are five separate instances where the safety margin was breached.
Furthermore, ignoring the recall means you are bypassing a free remedy that is specifically designed to eliminate this risk. Stelpro is offering a free replacement unit because they have identified that the current design is fundamentally unsafe for long-term use. By keeping the recalled model, you are retaining a device that has a known point of failure. Wall-mounted heaters are particularly risky if left unattended or if placed near combustible materials, as they operate continuously to maintain temperature. A faulty internal part in such an environment increases the likelihood of a fire starting during operation, potentially when you are asleep or away from home.
The consequences of ignoring this warning extend beyond the immediate threat of a fire. If a fire were to start due to a known defect that was not addressed, your homeowner’s insurance claim could be complicated. Insurance providers often scrutinize recalls closely; if they determine that damage resulted from using a product while it was under an active safety recall and repair notice, coverage may be denied or reduced. This means you could face significant out-of-pocket costs for property damage, loss of personal belongings, and potentially higher premiums in the future. The inconvenience of swapping out a heater is minor compared to the devastation of a preventable house fire or the financial burden of an uncovered insurance claim. The five overheating incidents are clear signals that the product’s safety threshold has been exceeded, and continuing to use it invites a worst-case scenario that no one should have to experience.