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The Chill Brothers Team.

air purification system Apr 30
by Deanna

Everything You Need To Know About HVAC Air Purification System

Make every breath a breath of fresh air

Naturally, we all assume that the air we breathe inside our homes and stores while shopping is safe, clean, and devoid of harmful substances–but this may not be the case in some situations.

The acronym HVAC stands for heating, ventilation, and air conditioning. This refers to the entire system that manipulates the air to heat, cool, or circulate it through a building.

HVAC system, deconstructed:

Air return:

This is the beginning and, in theory, the end of air’s journey through your HVAC system. Somewhere in your home or business, there is a spot on the wall or ceiling that is covered with a grate. This is also where you change your filter at the time of AC maintenance and repair. The air return’s job is to pull in air through a filter and push it into the main system.


These are insulated tubes, usually silver in color that are run through the ceiling, under the floors, or wherever needed to move air throughout the building. Ducts should be regularly inspected and cleaned to avoid buildup of debris and to make sure pests like rodents haven’t chewed their way into the insulation.

Outdoor unit:

Consists of several parts of the HVAC system all located in one place. The outdoor unit utilizes a fan that provides airflow, a compressor that converts refrigerant from a gas to a liquid, and coils that cool air as it passes them. This is where the cold air is created.


In some systems, these two might be separate units, but usually, they’re stacked. The furnace works similarly to the outdoor unit but produces heated air. Both heated and cooled air are funneled through your ducts by the blower. Regular furnace maintenance is crucial.

How is an HVAC system different from a whole-house air purifier?

An HVAC air purification unit is a rectangular device that is installed along with the HVAC system, usually right near the air return for maximum effect.

What an air purifier removes from the air pulled in by the air return:

bacteria and viruses
pet dander
dust and dust mites
volatile organic compounds
neutralizes some from a fireplace or tobacco products
helps to remove odors throughout the whole house

It is important to note that not all HVAC air purifiers are the same, so you’ll need to consult with a specialist like Chill Brothers to determine which type would best suit your needs. A short rundown of different types is as follows:


The most common type of HVAC air purification utilizes a heavy-duty filter that can trap 99% of airborne particles .3 microns and larger.

Carbon activated:

Contains tiny absorbent pores that trap contaminants.

HVAC + ultraviolet light:

Ultraviolet light used together with a HEPA air filter. Ultraviolet light is able to kill tiny microorganisms like bacteria rather than simply trap them in the filter.

Electrostatic or Ionizing:

Uses charged particles to attract and capture particles. Like a bug zapper, for particles.

An HVAC air purification system sounds awesome, but what are the benefits I can expect to see?

Peace of mind, especially in these trying times. Knowing that your AC unit is now protecting your family from allergies, viruses, and mold is something everyone can get behind. Pair that with the mission of Chill Brothers in Spring and Houston and you’re in for a real treat.

Frequently Asked Questions:

Q. What are the types of HVAC air purifier filters?

A. There are mainly the following types of air purifier filters.

HEPA, Carbon Activated, HVAC + ultraviolet light, Electrostatic or Ionizing

Q. What is the best type of air filter for the home?

A. The most common type of HVAC air purification utilizes a heavy-duty filter that can trap 99% of airborne particles .3 microns and larger.




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