Innovative HVAC Technologies That Enhance Indoor Air Quality

by | Sep 16, 2024 | Indoor Air Quality

Maintaining indoor indoor air quality is essential in today’s increasingly health-conscious world. As homeowners seek to create more comfortable and healthy living environments, advanced HVAC technologies have become powerful tools in the fight to improve indoor air quality. Read on to learn more about cutting-edge technologies like UV air purifiers, HEPA filters, and ionization systems. UV Air Purifiers for Indoor Air Quality UV air purifiers use ultraviolet light to reduce indoor air pollutants by inactivating airborne microorganisms and pathogens like bacteria, mold, and viruses. They work by passing air through a filter and into a small chamber where it’s exposed to UV-C light. UV-C light damages the nucleic acids of germs, like their DNA and RNA, to prevent them from replicating. UV air purifiers are often used in hospitals, schools, daycares, and around scientific and medical equipment because they effectively zap germs away. Additionally, they greatly reduce the chances of reintroducing bacteria and viruses into the air when you open the air purifier to change the filter. They can typically be installed into an existing HVAC system. Research suggests that UV air purifiers can reduce bacteria by 97% or more and remove toxic substances like benzene and formaldehyde from the air. They can also neutralize odor-causing air particles and improve HVAC system functionality by preventing dust and pollutant buildup on the air ducts, cooling coils, and filters. They’re even noted for being more environmentally friendly and cost-effective due to less ozone generation and a lack of mechanical components or filters. UV air purifiers use UV light to improve indoor air quality. HEPA Filters for Indoor Air Quality HEPA filters have been around for a long time and have become more functional and dynamic. They were first developed in WWII when scientists working on the Manhattan Project created the first one to capture radioactive particles. HEPA stands for “high-efficiency particulate air,” and it refers to a type of air filter that can remove harmful particles from the air. They’re often used in air purifiers and vacuum cleaners as they can remove 99.97% of airborne particles 0.3 microns or larger in size. These particles could be dust, pollen, mold, bacteria, viruses, smoke, and chemical compounds. They’re especially helpful for folks with asthma, allergies, or other respiratory problems who must pay particular attention to indoor air quality. They work by forcing air through a fine mesh, where most particles get trapped in the fibers. The smallest particles, particularly those less than 0.1 microns in diameter, collide with gas molecules and are bounced around, increasing the chance that the filter will stop them. They are highly trusted and recommended because they must satisfy certain efficiency levels to be considered HEPA. Ionization Systems for Indoor Air Quality Getting into a little chemistry, ionization in HVAC is technically called bipolar ionization (NPBI), which generates positively and negatively charged ions to clean the air. These ions attach themselves to airborne particles like dust, mold, bacteria, and allergens, making them larger and easier for air filters to catch. They can also affect pathogens, like viruses, by altering their molecular structure, preventing them from infecting cells. Bipolar ionization systems are great because they can be installed directly into HVAC systems and ductwork or added to ventilation plants and terminal devices like fan coil units. There are also portable ionization units. When choosing a device and an installation location, it’s important to assess the number of pollutants in the space. HEPA filters have been improving indoor air quality since the Manhattan Project. Ionization units support indoor air quality by removing bacteria, dust, cigarette smoke, mold, soot, pollen, and household odors from the air. People with hay fever and seasonal allergies benefit greatly from their use. The difference between this type of system and other air purifiers is their emission of negative ions. Most air cleaners just filter the air, helping with particles that make you sneeze, like dust and pollen, but ionizers help with particles that make you sick, like viruses and bacteria. Conclusion Indoor air quality can be tricky, but that doesn’t mean it shouldn’t be taken seriously. Your HVAC units must help to support indoor air quality because those are the systems controlling all the airflow. In order to choose the right indoor air quality support, assess your home and decide which pollutants are present and how much of them are present. Then, consider the symptoms you’re experiencing so you can make an informed decision.