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How to Reduce Allergens in Your Home with Your HVAC System


In today’s world, the importance of maintaining a healthy and comfortable living environment cannot be overstated. One aspect of this that often goes overlooked is the presence of allergens in our homes. These microscopic substances, ranging from dust mites and pet dander to mold spores and pollen, can significantly impact our health and well-being, causing symptoms like sneezing, coughing, and even triggering asthma attacks.

While it may seem like an uphill battle to control these invisible invaders, there’s a powerful tool at your disposal that can make a significant difference – your HVAC system. HVAC systems, when properly maintained and utilized, can play a crucial role in reducing the concentration of allergens in your home, improving the overall indoor air quality.

As a Factory Authorized Carrier Dealer, we have access to a wide range of high-quality Carrier HVAC products designed to enhance your home’s indoor air quality. Carrier, a leading name in the HVAC industry, offers innovative solutions that can help you combat allergens effectively.

In this blog post, we will guide you through the process of reducing allergens in your home using your HVAC system. Whether you’re an allergy sufferer seeking relief or a homeowner looking to improve your indoor environment, this guide will provide you with practical and effective strategies.

Stay tuned to learn more about how you can breathe easier in your own home.


Understanding Allergens and Indoor Air Quality

Allergens are substances that can cause allergic reactions in certain individuals. They are typically harmless to most people, but for those with sensitivities or allergies, exposure to these substances can trigger a range of symptoms, from mild discomfort to severe health complications.

Allergens are everywhere, but they can be particularly concentrated in indoor environments like our homes. This is because our homes often provide the perfect conditions for allergens to thrive – warmth, humidity, and plenty of food sources.

One of the most common indoor allergens is dust mites. These tiny creatures live in household dust and feed on dead skin cells. They thrive in warm, humid environments and are often found in bedding, upholstered furniture, and carpets.

Another common allergen is pet dander. This is composed of microscopic flecks of skin shed by pets like cats, dogs, birds, and rodents. Pet dander can become airborne and be inhaled, causing allergic reactions in sensitive individuals.

Mold spores are another significant source of indoor allergens. Molds are fungi that grow in damp, humid areas like bathrooms, basements, and kitchens. They release spores into the air, which can be inhaled and trigger allergic reactions.

Pollen from outdoor plants can also become an indoor allergen when it is brought into the home on clothing, pets, or through open windows and doors.

These allergens can significantly impact indoor air quality, a key factor in our overall health and well-being. Poor indoor air quality due to high allergen levels can lead to discomfort, illness, and a decrease in productivity.

Understanding the nature of these allergens and their impact on indoor air quality is the first step towards creating a healthier, more comfortable living environment. In the following sections, we will explore how your HVAC system, particularly when equipped with Carrier’s innovative products, can help reduce these allergens and improve your home’s indoor air quality.

Pet Dander


Mold Spores

Other Irritants

A dirty HVAC filter can ruin your system.

The Role of HVAC Systems in Controlling Allergens

HVAC systems, which stand for Heating, Ventilation, and Air Conditioning, play a pivotal role in maintaining the indoor air quality of our homes. They do more than just heat and cool the air; they also circulate and filter it, which can significantly reduce the concentration of allergens.

The primary way HVAC systems help control allergens is through their air filters. These filters trap and hold many of the particles that carry allergens, such as dust, pet dander, and mold spores. As the system circulates air throughout your home, it passes through these filters, leaving many of the allergens behind.

Another way HVAC systems can help reduce allergens is through humidity control. Many allergens, like dust mites and mold, thrive in high humidity. By maintaining an optimal humidity level in your home, your HVAC system can create an environment that’s less hospitable to these allergens.

However, the effectiveness of your HVAC system in controlling allergens greatly depends on regular maintenance and cleaning. Over time, HVAC filters can become clogged with trapped particles, reducing their effectiveness. Regularly replacing or cleaning these filters is crucial to ensure they continue to effectively remove allergens from your home’s air.

Similarly, the components of your HVAC system can accumulate dust and other particles over time. Regular professional maintenance can ensure these components are clean and functioning efficiently, further improving your system’s ability to control allergens.

Understanding Air Filters and Their Impact on Your HVAC System

Not all air filters are created equal, and it’s important to understand the different types and their implications for your HVAC system.

There are several types of air filters available, including fiberglass filters, pleated filters, electrostatic filters, and HEPA filters. Each type has its own strengths and is designed to capture different sizes and types of particles.

Fiberglass filters, for instance, are the most basic type and are designed to protect your HVAC system rather than improve indoor air quality. Pleated filters offer a step up, capturing more and smaller particles due to their increased surface area. Electrostatic filters use static electricity to attract and trap particles, while HEPA filters are capable of trapping 99.97% of particles.

While it might seem like a good idea to simply buy the filter that captures the most particles, it’s not that simple. Higher-rated filters, like HEPA filters, also restrict airflow more than lower-rated filters. This can put additional strain on your HVAC system, leading to decreased efficiency and potential damage over time.

That’s why it’s crucial to consult with an HVAC technician before selecting an air filter for your system. They can assess your specific needs and system capabilities to recommend the best filter for you. This way, you can effectively reduce allergens in your home without compromising your HVAC system’s performance.





Carrier HVAC Products and Allergen Reduction

Carrier, a renowned name in the HVAC industry, offers a range of products designed to enhance indoor air quality and reduce allergens in your home. These products are not only technologically advanced but also versatile, catering to different needs and home environments.

  • Carrier’s Infinity Air Purifier stands out with its unique Capture & Kill technology. This innovative feature allows the air purifier to trap up to 95% of particles in the size range of 1.0 to 3.0 microns flowing through the HVAC system. But it doesn’t stop at just capturing these particles. The technology goes a step further to inactivate 99% of select airborne viruses and bacteria trapped in the MERV 15 filter, including coronavirus. This dual action of capturing and inactivating harmful particles makes the Infinity Air Purifier a powerful tool in improving indoor air quality and reducing allergens in your home.

For more localized air purification, Carrier offers room air purifiers. These devices can remove over 99% of airborne particles as small as 0.3 microns, providing cleaner, healthier air for you and your family to breathe.

Carrier also offers a unique product called the Carbon Air Purifier with UV. This device provides dual treatment technology through a carbon core and UV light. This combination helps reduce odors and aids in the reduction of microorganism growth on the evaporative coil, further enhancing your home’s air quality.

Humidity control is another crucial aspect of allergen control, and Carrier has you covered with their whole-home humidifiers and dehumidifiers. These devices can add or remove moisture from your home’s air, ensuring a more comfortable environment and making it less hospitable to allergens like dust mites and mold.

Finally, Carrier’s UV lamps are a critical line of defense in keeping your cooling coil clean. By killing mold and bacteria, which can grow on your evaporator/cooling coil in the HVAC system, these lamps can help maintain your system’s efficiency and effectiveness in controlling allergens.

In addition to these products, Carrier offers air monitors to help you understand and manage your indoor air quality, as well as whole-home ventilators that bring fresh outdoor air into your home while maintaining indoor comfort levels.

By integrating these Carrier products into your HVAC system, you can significantly enhance your home’s indoor air quality and reduce the presence of allergens. In the next section, we will provide practical tips on how to achieve this.


In our quest for a healthier and more comfortable living environment, controlling allergens in our homes is a crucial aspect. Allergens, including dust mites, pet dander, mold spores, and pollen, can significantly impact our health and well-being. Fortunately, our HVAC systems, when properly maintained and utilized, can play a pivotal role in reducing these allergens and improving indoor air quality.

As a Factory Authorized Carrier Dealer, we have access to a range of high-quality Carrier HVAC products designed to enhance your home’s indoor air quality. These include air purifiers, filters, humidifiers, and more, all designed to effectively combat allergens.

Understanding the different types of air filters, from fiberglass and pleated to electrostatic and HEPA, is key to optimizing your HVAC system for allergen control. However, it’s important to consult with an HVAC technician to select the best filter for your system, as higher-rated filters can also restrict airflow and strain your system.

Regular maintenance and cleaning of your HVAC system are also crucial to its effectiveness in controlling allergens. This includes regularly replacing or cleaning filters and ensuring the system’s components are clean and functioning efficiently.

In summary, reducing allergens in your home is a multi-faceted task that involves understanding allergens and their sources, utilizing your HVAC system effectively, choosing the right air filters, and maintaining your system regularly. With the right knowledge and tools, including Carrier’s innovative HVAC products, you can create a healthier, more comfortable living environment in your home.