Can Your Aging HVAC System Affect Your Health? Risks, Warning Signs, and How to Stay Safe

As homeowners, we often rely on our HVAC systems to keep us comfortable and safe throughout the year. However, what happens when these systems age? Can an aging HVAC system affect your health? According to Kerley Heating & Cooling, the answer is yes. Over time, older HVAC units can become sources of various health issues, from diminished air quality to humidity imbalances. Recognizing the warning signs of an aging HVAC system is key to protecting your home’s air quality and your family’s health.

1. Decline in Air Quality: Dust, Allergens, and Contaminants

One of the primary risks of an old HVAC system is its impact on indoor air quality. As HVAC units age, they may struggle to filter air effectively, especially if their filters and components have seen years of use. Dust, pollen, pet dander, and other airborne contaminants can accumulate, then spread through your home each time the system runs.

This decline in air quality can exacerbate respiratory issues, allergies, and asthma symptoms. Children, elderly family members, and individuals with existing respiratory conditions are particularly vulnerable to poor indoor air quality. Regularly changing filters can help, but if your system is outdated, even the best filter may not be enough.

2. Mold and Mildew Buildup: A Health Hazard

Older HVAC systems may struggle to control moisture effectively, particularly if they are improperly sized or located in humid climates. This lack of moisture control can lead to mold and mildew growth within the system’s ductwork or other components.

Mold spores, when circulated through the air, can lead to a range of health issues, from mild allergic reactions to severe respiratory infections. If you notice a musty smell coming from your vents or observe any visible mold, it’s crucial to address it immediately. Regular maintenance and inspections from HVAC experts, such as Kerley Heating & Cooling, can help you catch mold problems early, but in some cases, a full system replacement may be necessary.

3. Allergens and Poor Filtration

Outdated HVAC systems often lack the advanced filtration capabilities of modern units. This can lead to higher concentrations of allergens in your home. These allergens, including dust mites, pollen, and pet dander, can trigger allergies and asthma, particularly in people with sensitivities.

Newer HVAC systems, by contrast, come with higher-efficiency filters that can capture smaller particles, providing cleaner air. Kerley Heating & Cooling recommends upgrading your HVAC system if you or a family member has experienced a sudden increase in allergy symptoms, as this could be a sign of poor air filtration.

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4. Carbon Monoxide Risks in Older HVAC Units

If your HVAC system includes a gas furnace, aging components can present a significant carbon monoxide risk. As these furnaces age, their heat exchangers and other components can develop cracks or other damage, which can result in a dangerous leak of carbon monoxide gas into your home.

Carbon monoxide is a silent killer, as it is colorless, odorless, and can go undetected without proper monitoring. Warning signs include frequent headaches, dizziness, nausea, or flu-like symptoms in family members. If your furnace is more than 15-20 years old, Kerley Heating & Cooling advises scheduling a professional inspection to ensure your system is safe.

5. Humidity Imbalance: Too High or Too Low Can Be Harmful

Proper humidity control is essential for maintaining a healthy indoor environment. An older HVAC system may struggle to maintain a balanced humidity level, resulting in either too much or too little humidity.

High humidity levels can encourage mold growth, as well as dust mites, which thrive in moist conditions. On the other hand, low humidity can lead to dry skin, irritated nasal passages, and an increased risk of respiratory infections. If your home constantly feels too dry or too humid, your HVAC system could be to blame. A system upgrade or a humidifier may help balance your home’s moisture levels effectively.

6. Airborne Pathogens and Outdated Technology

As HVAC technology evolves, newer systems are now better equipped to filter out harmful bacteria and viruses from the air. Older systems, however, may lack the ability to remove airborne pathogens, which can impact your family’s overall health, especially during flu season.

Upgrading your HVAC system to one with advanced filtration and air-purification technology can greatly reduce the presence of airborne pathogens. For homeowners in Rockford, IL, and surrounding areas, Kerley Heating & Cooling offers a range of modern HVAC solutions that provide better air quality, energy efficiency, and enhanced comfort.

Key Warning Signs of an Aging HVAC System

How can you tell if your HVAC system is on its last legs? Look out for these warning signs:

Frequent Repairs: If your HVAC system needs constant repairs, it may be time for a replacement.
Increased Dust and Allergens: More dust on surfaces or an increase in allergy symptoms may indicate poor air filtration.
Unpleasant Odors: Musty, moldy, or burnt smells coming from your vents could be a sign of mold growth or malfunctioning components.
Uneven Temperature Control: Difficulty in maintaining consistent temperatures or humidity levels can indicate an inefficient system.
Strange Noises: Banging, rattling, or whistling noises can point to loose or damaged parts within the system.

Staying Safe with an Aging HVAC System

If your HVAC system shows any of these signs, it’s crucial to have it inspected by a professional. Kerley Heating & Cooling advises that routine maintenance is the best defense against these health risks. Regular inspections and maintenance can extend your system’s life, improve efficiency, and ensure it’s not endangering your family’s health. In cases where the system is no longer performing efficiently, upgrading to a new, more advanced HVAC unit may be the best choice for comfort and safety.

In summary, while an aging HVAC system can certainly impact your health, awareness and proactive steps can help mitigate these risks. By recognizing warning signs early and working with trusted professionals like Kerley Heating & Cooling, you can protect your family’s health and enjoy a comfortable home year-round.

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Special thanks to the following source(s) for the image(s) used in the article: https://pixabay.com/photos/cold-headaches-health-influence-3861935/