Factors To Consider When You’re Buying An Air-Purification System

Indoor air pollution is among the nation’s greatest environmental health risks, and it has spawned an enormous amount of new technology in air purification systems. Some of these filters and air-cleaning devices are designed to be installed in your ductwork to purify the air in the entire house, while others are portable, made to be used in one room or area. Some work to remove particles from the air (dust, pollen, mold spores and animal dander) while others are focused on removing gases (from smoke, building materials, paints, adhesives, cleaning chemicals, pesticides, etc.).

Mechanical air filters capture airborne particles on filters, the best-known example being the high efficiency particulate air (HEPA) filters. Electronic air cleaners use ionization in various ways. Electrostatic precipitators attract particles to an oppositely-charged series of flat plates. Ionizers discharge ions into the air that attach themselves to particles and bring them down.

Other air purification systems remove gases from indoor air; these include gas-phase air filtration systems that use a sorbent such as activated carbon to absorb non-particulate matter. While gas-phase filters will not remove particles, mechanical or electronic air purification systems won’t remove gases.

UVGI cleaners use ultraviolet radiation to attack biological pollutants such as viruses, bacteria and mold, and are often used in conjunction with particle filters. PCO cleaners use UV lamps along with a catalyst that reacts to light, and rather than removing gases from the air they transform them into harmless substances.

The most controversial method is the ozone generator that uses UV lamps or electrical discharges to produce ozone that reacts with chemical and biological hazards. However, ozone itself is a hazard and a known lung irritant, and while ozone generators manufacture ozone by design, some of the electronic air purification systems create it by accident.

Our technicians can help you select which air purification system is right for you. Visit Geisel Heating, Air Conditioning and Plumbing for answers to your questions or give us a call for expert advice on any of the new air purification systems.

You can order air cleaners and related parts from the Geisel Online Store site at https://www.gogeisel.com/shop/products-page/air-cleaners.

Our goal is to help educate our customers about energy and home comfort issues (specific to HVAC systems).  For more information, click here to download our free Home Comfort Resource guide.

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