By Shawn Shi | 10 April 2023 | 0 Comments
Understanding Air Filtration and Some Common Terms
Air Filtration plays a crucial role in maintaining indoor air quality by removing harmful airborne particles from the air we breathe.
Air filters come in various materials, such as fiberglass, paper, and cotton, and different types of filters have varying levels of efficiency.
Air filters come in various materials, such as fiberglass, paper, and cotton, and different types of filters have varying levels of efficiency.
Here are some key terms to know when it comes to air filtration:
1. HEPA Filter
HEPA stands for high-efficiency particulate air.
A HEPA filter can remove up to 99.97% of airborne particles that are as small as 0.3 microns, making it an effective filter for pollutants like pollen, dust mites, and pet dander.
HEPA stands for high-efficiency particulate air.
A HEPA filter can remove up to 99.97% of airborne particles that are as small as 0.3 microns, making it an effective filter for pollutants like pollen, dust mites, and pet dander.
2. MERV Rating
MERV stands for minimum efficiency reporting value, and it is a rating system that measures a filter's ability to capture particles between 0.3 and 10 microns in size.
Filters with higher MERV ratings have higher efficiency and can capture smaller particles.
MERV stands for minimum efficiency reporting value, and it is a rating system that measures a filter's ability to capture particles between 0.3 and 10 microns in size.
Filters with higher MERV ratings have higher efficiency and can capture smaller particles.
3. Indoor Air Pollutants
Indoor air pollutants are substances that can negatively impact the air quality within a building.
These pollutants can include cleaning products, tobacco smoke, carbon monoxide, and more.
Indoor air pollutants are substances that can negatively impact the air quality within a building.
These pollutants can include cleaning products, tobacco smoke, carbon monoxide, and more.
4. Air Filter
An air filter is an essential component of HVAC systems, as it captures airborne particles that circulate throughout your home.
Different types of filters have varying levels of efficiency, which is indicated by their MERV rating.
An air filter is an essential component of HVAC systems, as it captures airborne particles that circulate throughout your home.
Different types of filters have varying levels of efficiency, which is indicated by their MERV rating.
5. Electrostatic Filter
Electrostatic filters use static electricity to attract and capture airborne particles.
These filters positively charge airborne particles, which are then collected on negatively charged plates.
Electrostatic filters use static electricity to attract and capture airborne particles.
These filters positively charge airborne particles, which are then collected on negatively charged plates.
6. Filter Media
Filter media refers to the material used in a filter to capture airborne particles as air passes through.
Different types of filter media have varying levels of efficiency.
Filter media refers to the material used in a filter to capture airborne particles as air passes through.
Different types of filter media have varying levels of efficiency.
7. Airflow
Airflow refers to the movement of air in and out of your HVAC system.
It is important to maintain proper airflow to ensure the efficiency and longevity of your system.
Airflow refers to the movement of air in and out of your HVAC system.
It is important to maintain proper airflow to ensure the efficiency and longevity of your system.
8. CAFS
Certified Air Filter Specialist (CAFS) is a professional certification that indicates a person's expertise in air filtration technology.
This certification is issued by the National Air Filtration Association (NAFA).
9. Grille
A grille is a covering that is placed over a return vent in a central heating and cooling system.
It does not control airflow, as it does not have dampers.
10. Damper
Dampers are used to control airflow by opening and closing to direct air to specific areas of a home.
Registers have dampers to control airflow into or out of a room, while dampers are also found within the ductwork.
11. Activated Carbon
Activated carbon is a porous version of carbon that has been treated with chemicals like argon and nitrogen to increase its surface area for better adsorption of gaseous pollutants.
By understanding these key terms, users can make informed decisions when it comes to selecting the right air filter for their home or spaces, improving indoor air quality, and maintaining the efficiency of their HVAC system.
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