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HVAC Air Filter Buying Guide

Man replaces air filter

There are many different types of air filters on the market, and it can be tough to decide which one is right for your HVAC system. In this blog post, we will provide a quick guide to the different types of air filters available. We will also discuss the benefits and drawbacks of each type of filter. By the end of this blog post, you will know which type of air filter is best for your needs!

Mechanical Air Filter

The first kind of air filter is the mechanical air filter. This filtration system works by trapping particles in the filter medium, which is the substance that comprises the filter element. Mechanical filters are usually made of paper or fiberglass and are some of the most affordable filters.

These filters work well enough and can capture most of the bigger particles floating around your home. This system is also relatively easy to use as the filter can be swapped in and out without needing to call a professional.

One main problem with mechanical filters is that they need to be replaced regularly, or their effectiveness will drop. You will also need to purchase additional filters to trap smaller particles.

Electrostatic Air Filters

This filtration system relies on an electrically-charged grid to attract and capture particles. While these systems are very effective at removing airborne particles, they can be more expensive to operate than mechanical filters.

Activated Carbon Air Filter

These filters utilize activated carbon to remove airborne contaminants. While Carbon filters do work well, they're better at eliminating things like gasses and smells rather than physical microbes, so this system isn't great for allergy sufferers.

Ultraviolet (UV) Air Purifier

This type of purifier uses UV light to kill airborne bacteria and viruses. Unlike other filters, these systems kill microbes and other tiny organic pollutants instead of just trapping them.

These air purifiers are very effective at removing micro-organisms from the air, but they're not designed to eliminate volatile organic compounds (VOCs), which are human-made chemicals that are used and produced in the manufacturing of paints, pharmaceuticals, and refrigerants. Most UV purifiers also emit Ozone pollution, which can cause coughing, sore throat, inflammation of the airways, worsening symptoms of lung disease, and worsening asthma symptoms.

Once you have finally found the filter that is right for your home, the experts at Comfort Energy, Inc. are happy to help install and maintain it for you! Call (408) 560-4050 to schedule your filter services today!

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