Air filters are vital to central heating, ventilation and air conditioning systems. These thin, porous filters help maintain the cleanliness of your home’s HVAC system. For property owners with an air conditioner and furnace, understanding how air filters work is vital to keeping the property’s occupants healthy and the HVAC unit running efficiently. Understanding air filtration is also essential for professional HVAC technicians. Let’s lay it out.
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What Air Filtration Systems Do
An air filtration system uses internal fans to pull air from the interior of a building into the air conditioning unit. A series of filters within the filtration unit will trap and remove dust, bacteria and pollen from the air before sending it back into your property. This process repeats multiple times every hour, constantly re-filtering and circulating the air inside your home.
While HVAC systems already have built-in air filters, they are limited in how many airborne particles they can trap. A high-efficiency air filtration device effectively pulls more dust, bacteria and pollen particles from the air, improving indoor air quality.
The Role of Air Filtration in HVAC Systems
Air filters don’t just filter out dust, bacteria and pollen that lower indoor air quality. They also act as the first line of defense against larger particles like a rogue piece of insulation that gets pulled into the system, damaging the unit. An effective air filtration system traps and holds various particles and contaminants that could harm the building inhabitants and air conditioning system.
They include the following:
- Dust and dirt
- Mold
- Pollen
- Pet dander and fur
- Hair
- Metal, wood particles or plaster
- Bacteria and microorganisms
A well-functioning air filtration system ensures you do not repeatedly breathe in dirty or contaminated air because the air continuously recirculates in your property.
It’s also worth mentioning that as the air filter traps more particles, it makes it difficult for air to pass through the filtration system. Therefore, it must be cleaned and serviced regularly to ensure optimal performance and use.
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Training to Become an HVAC Technician
Completing an HVAC training course will enable you to secure an in-demand and lucrative career. HVAC technicians help ensure that residential and commercial property’s climate control systems function as desired to maintain a comfortable humidity and temperature level.
Enrolling in an HVAC school like ETI School of Skilled Trades in Chicago to become an HVAC technician requires finding the right programs to learn how to handle different materials and master the craft.
ETI offers a comprehensive HVAC/R training program designed to prepare students for a successful career in heating, ventilation, air conditioning and refrigeration systems. The program covers essential topics, including system installation, maintenance, troubleshooting and repair, and provides hands-on training with the latest tools and equipment.
HVAC Training in Chicago at ETI
We invite students to enroll in the ETI School of Skilled Trades HVAC/R program. We offer an in-depth curriculum, have experienced tutors and industry-current facilities to ensure you’re well-prepared for a successful career in the HVAC industry. Kickstart your HVAC career by enrolling in the ETI HVAC/R program today!
Key Takeaways
What is the purpose of an HVAC air filter?
An HVAC air filter traps dust, pollen, dirt, and other airborne particles to improve indoor air quality and protect the HVAC system from damage.
Why is air filtration important in HVAC systems?
Proper air filtration helps keep indoor air cleaner, protects HVAC components from debris, and supports efficient system performance.
Why should HVAC air filters be cleaned or replaced regularly?
A clogged air filter restricts airflow, reducing system efficiency and making the HVAC system work harder, so regular maintenance is essential.
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