The 4 Types of HVAC Air Filters.
What types of HVAC filters are there?
4 Types of HVAC Filters
- HEPA Filter. HEPA filters offer the highest level of protection against a variety of airborne particles. …
- Reusable Air Filters. Reusable are filters are washable filters that can simply be cleaned up and used again. …
- Flat-Paneled Fiberglass Filters. …
- Pleated Media Filter.
How many filters are there in HVAC system?
Depending on the size of your home, you may have more or fewer intake vents, but for most dwellings, the central air system is served by 2 air filter-covered intake vents. Let’s dig a little deeper into why you might find 2 air filters in your home’s HVAC system.
What are 3 different types of air filters?
What Are the Different Kinds of Air Filters?
- HEPA filters.
- UV light filters.
- Electrostatic filters.
- Washable filters.
- Media filters.
- Spun glass filters.
- Pleated filters.
How do I know what HVAC filter I need?
First, locate the filter slot in your furnace/air handler. Some homes have filters behind their return vents as well. Furnace filter size is measured using length, width, and depth. For example, a furnace filter that measures 18”x16”x1” is 18 inches long, 16 inches wide, and 1-inch deep.
What are HVAC Filters?
The HVAC filters used in your home’s heating and cooling system have an important job to do. They filter dust, pollen, pet dander, and other small particles out of the air that you and your family breathe. These particles are trapped in the filter to prevent them from being recirculated throughout your home.
How many types of HEPA filters are there?
According to the Institute of Environmental Science and Technology, (IEST) with regard to performance, there are 6 types – A, B, C, D, E & F.
What are HVAC filters made of?
An air filter is usually made of a spun fiberglass material or from pleated paper or cloth enclosed in a cardboard frame. It’s basic function is to clean the air that circulates through your heating and cooling system.
What are UV filters HVAC?
Some newer air conditioners offer the benefits of Ultra Violet (UV) filter technology to improve the quality of the air circulating throughout your home. This technology includes a UV light and high-end filter to combat bacteria, allergens, and mold spores.
Is there a filter in HVAC system?
All central heating and cooling systems should have an air filter, but the filter can be harder to locate on some HVAC units than others. The air filter is usually located in the return air duct or blower compartment before the return air reaches the air handler.
What is the most common type of air filter?
Fiberglass air filters are the most common type of air filter. These are disposable and are extremely affordable. Originally, fiberglass air filters were developed to protect your HVAC system, not to trap dirt and other contaminants.
Do HVAC filters help with Covid?
Portable air cleaners and HVAC filters can reduce indoor air pollutants, including viruses, that are airborne. By themselves, portable air cleaners and HVAC filters are not enough to protect people from the virus that causes COVID-19.
Which type of filter is used in HEPA filter?
HEPA is a type of pleated mechanical air filter. It is an acronym for “high efficiency particulate air [filter]” (as officially defined by the U.S. Dept. of Energy).
What is a HEPA filter?
|MERV Rating||Average Particle Size Efficiency in Microns|
|16||0.3 – 1.0 75% or greater|
What type of furnace filters are best?
Furnace manufacturers prefer the traditional spun fiberglass ac filters (MERV 2). These filter out enough of the large particles to protect the furnace while providing maximum airflow.
How often should I change HVAC filter?
How Often Should I Change My HVAC Air Filter?
- 1-inch and 2-inch air filters should be replaced about every one to three months.
- 3-inch and 4-inch filters require replacement after six to nine months.
- 5-inch and 6-inch air filters need a change after nine months to one year.
What size air filter do I need without a filter?
A) Refer to the label on the filter’s frame.
The easiest way to identify your AC filter size is to remove the existing filter from its slot and examine the frame of the filter. Usually, the filter size is printed along the edge of the filter’s frame.