UVC, Germicidal Ultraviolet Light FAQs
UV Air Purifiers / UV Air Cleaners
What does a
UV light do?
germicidal UV light system can significantly reduce the amount of viable
airborne micro-organisms found in HVAC units. UVC light eliminates molds,
bacteria, yeasts, and viruses. These are naturally occurring contaminants that
infiltrate every home and office on this planet. Micro-organisms are living
creatures that are so small a microscope is required to view them. HEPA air
cleaners are efficient enough to capture many molds and bacteria, but the
micro-organisms remain alive, continuing to grow and reproduce directly on the
What are the primary benefits?
UV-C light will significantly reduce the amount of microbials in ductwork and
air space, helping to reduce possible health problems associated with inhaling
microbials. UV-C light is also beneficial in keeping HVAC coils free of mold
which increases system efficiency.
What is the
importance of UV-C light products for indoor environments?
Overall, people spend 90% of their time indoors, in a "closed" environment
with little or no exchange of outside air. Such an environment can become a
breeding ground for potentially harmful pathogens, and in high numbers, can
prove hazardous to human health.
What is UV light?
stands for Ultra-Violet light. Ultraviolet light represents the frequency of
light between 200 nanometers (nm) and 400nm and cannot be seen with the naked
eye. Within the UV spectrum lie three distinct bands of light: UV-A, UV-B, and
UV-C. Longwave UV light (315nm to 400nm), or UV-A, refers to what we commonly
call "black light." UV-B (280nm to 315nm), or midrange UV, causes sunburn. Germicidal
UV light (200nm to 280nm), or
UV-C, is effective in microbial control. Research has demonstrated that within
this UV-C band the most efficient frequency for microbial destruction is
between 254nm and 265nm. Germicidal lamps that produce the majority of their
output in this range will be the most effective in microbial
How does it
UV-C light penetrates the cell walls of the microbe, causing cellular or
genetic damage. The affected microbe is neutralized or becomes unable to
reproduce. Intensity and exposure time will determine how quickly a
susceptible microbe is disabled by UV-C light.
AO 3000Xtreme AO
5000PRO Commercial AO Mobile
Do I still
need an air filter?
Yes for an induct UV light system which is designed to be used in addition to a dust
filter or electronic air cleaner and the filtration of dust particles will
also aid in keeping the bulb(s) of the UV light system clean.
However, filters are inefficient at dealing with microscopic bacteria, molds,
and viruses and are incapable of preventing mold from growing on a surface. A
UV-C Light System contributes significantly to the reduction of the small
microbial organisms that pass through filters and into the general air stream.
Proper placement of a UV light system above the coil, or a surface area prone
to microbial growth aids in reducing the amount of viable microbes on that
maintenance is required on a UV light product?
Lamps should be cleaned every six (6) months to remove any dust accumulation
on the bulbs that might lessen the effectiveness of the UV-C light. The Dust
Free UV-C light bulbs have a service life of 9,000 hours, or approximately 375
days. Annual replacement of the bulb(s) is recommended. Most UV-C light
systems should be left on continuously as turning them on and off ages the
bulbs and power supplies.
electricity does induct UV-C light use?
uses approximately the same electricity as a 40-watt light bulb.
lamps do you recommend for induct home installations?
One lamp is
normally sufficient to control microbial growth on the coils and in the drain
pan. The lamp size used should be proportional to the space that is available
in the coil and drain pan area. However, since each HVAC system is as
different as the building within which it functions, the UV-C Light System
most suitable for your needs should be recommended and installed by a
professional trained in UV-C light use and application.
Why should I
consider installing a UV light?
can be some of the poorest quality air we experience. When we leave our
windows shut, air is constantly recirculated throughout our homes. Over time
this air can become stagnant and bacteria, molds, yeasts, and viruses more
concentrated. These concentrations can cause inflammation of mucous membranes,
upper respiratory problems, and aggravate asthma and other breathing ailments.
A germicidal UV
light system assists
in combating high levels of these micro-organism concentrations.
Could you benefit
from healthier air?
Yes. Poor indoor air
quality is a problem that affects everyone. Individuals with weakened immune
systems, allergies, and asthma benefit the most from improving air quality.
Households with children or elderly individuals will also benefit
from the improved air quality.
Your HVAC air handling system can operate with more efficiency as the coils,
drain pan, and ductwork stay cleaner longer.
AO 3000Xtreme AO
5000PRO Commercial AO Mobile
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solution? The Air Oasis™ 5000PRO Commercial, Induct Nano, 3000
Xtreme, 3000, 1000, and Mobile Sanifier Air Purifiers
removes particles from the air, but will safely and effectively kill
bacteria, mold, viruses and many other contaminants on surfaces.