Particles are tiny substances measuring less than 100 microns in diameter. Indoor air can be filled with particles, some of which can be seen with the naked eye, such as dust and dirt. Others can only be seen with a microscope, such as bacteria and viruses, which typically measure only one micron or smaller in diameter. All of these airborne particles can have significant impacts on your family’s health and comfort.

Are there harmful particles in my home’s air?

Indoor air pollutant levels can be up to 100 times higher than outdoor levels.

Airborne pollutants include anything from larger particles like dust, pollen and pet dander to nearly invisible particles like bacteria, mold and chemical vapors.

Left unfiltered, these tiny particles can lead to health problems such as allergies. They can also aggravate asthma and other respiratory illnesses, causing damage to furniture, flooring and creating unpleasant odors in your home.

How to rid your home’s air of harmful particles

Whole-home air filtration systems work with your heating and cooling system to capture harmful particles and prevent them from recirculating through your home’s air. The Healthy Climate® HEPA bypass filtration system is 99.97% efficient at removing particles and bioaerosols down to 0.3 micron in size. And the PureAir™ Air Purification System from Lennox takes it even further, filtering out 90% of germs and bacteria down to 0.01 micron.**

Learn more about the PureAir air purification system that filters out more than 95% of particles down to .3 micron


**Based on laboratory and field studies.

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