Your HVAC system is in charge of moving air around your whole building. It takes air to and from every corner of your facility, large or small, and ensures that everywhere will have a clean and comfortable environment. However, when the environment within the HVAC system becomes contaminated, that too can spread throughout your building, just like the clean air when there isn’t any contamination. This can cause bad air quality, constant complaints, and even health problems throughout the building for facility managers and maintenance teams.
It’s hard to see contamination inside an HVAC system right away. It often builds up over time in places like coils, air handler units, and ductwork. However, if you know the signs that your HVAC system is contaminated, you can catch the problem early, before it affects your whole business. Learn the signs of HVAC contamination to keep your building safe and comfortable.
HVAC System Contamination Sign 1: Strange Odors That Don’t Go Away
A musty or damp smell coming from vents is one of the most common signs of contamination. Many people in buildings with contaminated HVAC complain that the air smells like dirty socks. Mold or bacteria growing on coils or in ductwork where there is moisture is a common cause of this. Even though the smell may not seem like a big deal at first, it usually means there is a bigger problem inside the system that will only get worse if it is not fixed.
HVAC System Contamination Sign 2: More Humidity Or Moisture Around Equipment
If your building feels more humid than usual or you see moisture around your HVAC equipment, it could mean that something is wrong with the system. When there is too much moisture, mold and bacteria can grow easily, especially in air handler units and drain pans. What you can see on the outside of the system is often a good indicator of what’s going on inside.
HVAC System Contamination Sign 3: Visible Mold & Growths Around Vents And Units
Sometimes, contamination can be seen. If you see dust buildup, dark spots, or residue around vents, coils, or access panels, it could mean that mold or other harmful substances are present.
Even if it looks small, visible buildup usually means that there is more buildup deeper in the system that can’t be seen without a proper inspection. The longer that mold and other contaminants are left alone, the more it can grow and spread to other parts of the system.
HVAC System Contamination Sign 4: Ongoing Air Quality Complaints And Health Effects
If people in your building are often complaining about headaches, breathing problems, or general air quality issues, your HVAC system might be to blame. Mold spores and bacteria are examples of pollutants that can move through the air and affect everyone in the building. These contaminants can cause the symptoms above, and even more serious concerns like allergic reactions, asthma, infections, and even pneumonia.
This is especially important in places like schools, hospitals, and factories where the quality of the air has a direct effect on safety and productivity.
HVAC System Contamination Sign 5: Lower Airflow & HVAC System Performance
A dirty HVAC system doesn’t just make the air quality worse. It also has an effect on how well things work. As buildup builds up on coils, inside ductwork, and in air handler units, it makes it harder for air to flow, and the system has to work harder.
If the contamination isn’t cleaned up, it can cause the system to work less effectively, and eventually it can cause system breakdowns with devastating and expensive effects.
What Should I Do If My HVAC System Is Contaminated?
If you are noticing any of these signs, the next step is to identify the source and address it properly. HVAC contamination requires proper inspection, testing, and cleaning to fully resolve the issue.
Professional air quality testing can identify what contaminants are present and how widespread the problem is. From there, services like air handler restoration, duct cleaning, and mold remediation are used to remove buildup and restore your system to proper working condition. Taking action sooner reduces the chance of costly breakdowns and can keep building occupants safer from the risk of health effects caused by contamination.
Contact PROAC For Professional HVAC Cleaning And Restoration
If you think your facility’s HVAC system might be contaminated by mold, bacteria, or other contaminants, get in touch with PROAC. PROAC helps hospitals, schools & universities, manufacturing plants, retirement homes, office buildings, and many more large facilities keep their HVAC systems running clean and smoothly, keeping occupants safe and preventing costly breakdowns.
To have your HVAC system inspected for contamination or to clean contamination up and get back on track, contact PROAC today.