What is a whole house air purifier?

whole house air purifier, air filter, air purifier

A whole-house air purifier is a device that is installed in line with your residential HVAC system and will trap or destroy dust, pollen, and other harmful contaminants to clear the air and improve indoor air quality.

The EPA and Home Air Quality

According to the Environmental Protection Agency (EPA), the air indoors, where we spend as much as 90% of our time, can be 5X more polluted than outdoor air and more polluted than city smog and can contain an invisible mix of dust mites, pollen, dander, mold, micro-plastics, volatile organic components (VOC’s) and smoke that can annoy your lungs and be hazardous to your health.

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How Do House Air Filters Work?


Media Air Filter

Your first line of defense for clean air in your home is the air filter built into your air conditioning and heating system. The air inside your home circulates through your home’s return ducts (sometimes called cold air returns) into your heating and cooling system and then back into the rooms of your home. This air contains tiny particles such as pollen, pet dander, mold, tobacco smoke, exhaust, VOCs, viruses, and bacteria.

The largest particles appear as dust in your home, whereas the smaller particles become airborne and circulate throughout your home.

Air filters work by trapping particles from the air in your home onto the air filter installed in your air conditioning and heating system.

Media filters are the most common type of air filter and create a physical barrier inside your AC system that traps media filter for whole house air purifierminute particles such as dust and dander in the air inside your home.

Electronic Air Cleaners (EAC), also called ionic and electrostatic air cleaners due to the electrical charge employed, also capture and filter contaminants such as dust and dander but, in addition, use an electronically charged filter to attract and trap smaller particles such as bacteria and mold.

Electronic filters work exceptionally well on smoke particles too small to be trapped in media filters. One independent test found that such filters worked about 30 times better than fiberglass filters. Unlike media filters, electronic filters never need replacing, but the aluminum collector plates must be cleaned in soapy water every few months.

How often do you need to change your home air filter? Click here for the answer.

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    UV-C Light Air Purifier illustrating how a whole house air purifier worksUltraviolet (UV-C) Light Whole Home Air Purifiers

    UV-C Light Air Purifiers clean the air in your home when the air passes through a chamber and is exposed to UV Light.

     What is UV Light?

    Like X-rays and radio waves, UV light is an invisible form of electromagnetic radiation. You hear about UV light primarily in the summer because it causes sunburn by destroying cells. This cell-destroying capability makes it efficient in eliminating impurities in the air.

    Most air purifiers use UV-C light, one of the four types of ultraviolet light; the other three are UV-A, UV-B, and UV-V.

    How does UV Light Purify Air?

    Since UV-C light destroys the nucleic acids of cells and disrupts their DNA, killing or leaving them incapacitating, contaminated air that passes through UV-C light will be purified from the most harmful contaminants.

    In other words, the ultraviolet light zaps airborne bacteria and viruses into oblivion, which is why hospitals use UV air filters in tuberculosis wards.

    Learn about the APCO Whole House Air Purifier here.

    Learn about the Carrier Whole House Air Purifier here.

    Will an air purifier help with seasonal allergies?

    Girl suffering from allergies from contaminated air in home without a whole house air purifier

    Suppose you suffer from seasonal allergies and must endure sneezing, sniffling, and itchy eyes from tree, flower, or weed pollen outdoors. In that case, you can lessen or eliminate those irritants inside your home with a whole-home air purifier.

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    Extreme Comfort Air Conditioning and Heating employ technicians certified by the Texas Department of Licensing and Regulations. TDLR regulates contractors who install, repair, or maintain air conditioning, refrigeration, or heating systems.

    You can take extreme comfort in knowing that the technicians you invite into your home have passed background checks performed by the state of Texas.

    Call for details (972) 234-2336

    *Additional fees may apply for rooftop units. The $79 Fee includes evaluating a single non-working or failing unit.  The price is per unit.  Repairs & materials extra. Call for details. Weekend or holiday rates may apply.  It may not be combined with any other offers. Offer subject to change.