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The sun is a source of electromagnetic energy including radio waves, infrared, visible light, ultraviolet, x-rays, gamma rays, and cosmic rays. Each…

What is Ultraviolet Light (UV)?

The sun is a source of electromagnetic energy including radio waves, infrared, visible light, ultraviolet, x-rays, gamma rays, and cosmic rays. Each band has its own characteristic wavelengths and properties as a result of the wavelength.

The ultraviolet spectrum is made up of UV-A, UV-B, and UV-C. We are exposed to each of these almost every day. UV exposure can be harmful or harmless depending on the type of UV, the type of exposure, the exposure duration, and the individual’s unique response to UV.

The difference between harmful UV and harmless UV has to do with the ability of the UV ray to penetrate body surfaces. UV-A is also known as “blacklight” and is generally harmless. UV-B has a very high penetrating ability and prolonged exposure is responsible for some types of skin cancer, skin aging, and cataracts. UV-C has extremely low penetrating ability and is nearly completely absorbed by the outer, dead layer of skin. UV-C is the ‘germicidal’ UV.

What is UVGI and how does it improve the air quality in my home?

Ultraviolet germicidal irradiation (UVGI) is a part of the spectrum of electromagnetic energy generated by the sun. UVGI can also be generated artificially with specially designed germicidal UV lamps.

UV-C, the germicidal wavelength, damages the nucleic acid of microorganisms by forming covalent bonds between certain adjacent bases in the DNA. The formation of such bonds prevent the DNA from being unzipped for replication, and the organism is unable to reproduce. In fact, when the organism tries to replicate, it dies.

UVGI lamps have been used for more than 40 years to disinfect air in hospitals, and to reduce bacterial contamination in food storage and pharmaceutical facilities.

Ultraviolet UV rays

I know that UV rays from the sun can be harmful. What safety measures have been taken to protect homeowners from exposure to UV light?

Each CPS model that includes UV or UV Plus technology is equipped with a lamp shutoff switch, and a sight glass for safe and easy lamp inspection. In addition, a protective cover with a safety interlock switch immediately deactivates the lamp before the service technician or homeowner can access or service the unit.

How long do UV lamps last?

UV lamps are equipped with high quality, US-made hard quartz lamps for optimum lamp performance and reliability. CPS lamps are rated for at least 9,000 hours (1 year) when installed and used in accordance with the operating manual. Lamps may last longer in some situations, but annual lamp replacement is recommended since UVGI output is typically reduced by about 25% after 9,000 hours and drops off more rapidly afterward.

 

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Air Quality Testing in Lawrenceville, GA

Our neighbor had a test done and found out he had radon in his home so we decided to have radon testing done too. We had the team from HealthyAir do an air quality assessment for us as well. They helped us get rid of the radon and they sanitized our air system to take care of all the problems. They were very helpful.

Mary Z – Lawrenceville, GA 30043
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