Field Controls 24v manual Independent Lab Testing, Attack the Source

UV-AIRE®Air Purification System

Independent Lab Testing

For many years, ultraviolet light has proven effective in sterilizing medical equipment, purifying water, and processing food. Currently, the use of UV lights is gaining industry acceptance in HVAC applications. Microbe Management, Inc., a testing agency in

Greenville, NC, has conducted three separate tests to examine UV’s effect on indoor air quality. The test results conclude that UV is an integral part of a whole house approach to improving Indoor Air Quality.

Attack the Source

While experts disagree on the root causes of many IAQ		The air conditioning coil must be addressed since it is a
problems, there is consensus that stopping problems at		natural breeding ground for molds, which thrive in a
the source is crucial to long-term air quality		dark, moist environment. Familiar with the rank smell
improvement. First, the homeowner must			generated when switching from air
eliminate any unwanted sources of			conditioning to heat mode? That is the
moisture in the home, such as roof			smell of mold and bio-film burning off
leaks, drainage problems, and crawl			the coil. Whenever the blower is
space moisture.			engaged, mold spores from
			contaminated A-coils are released
Note: Crawl space moisture can			into the ductwork and distributed
be addressed with the EL-1	EL-1 Eliminator		throughout the building. These spores
Eliminator Foundation Vent Fan.			then seek alternative surfaces in other
	Foundation Vent Fan
			parts of the home to breed and multiply.

Surface Test: UV Kills and Prevents Mold on A-Coils

A specific test was designed to determine UV’s effectiveness in treating mold on coil surfaces. The test simulated the damp, dark settings where A-coils are found.

In this study “We took a standard A-coil, sterilized it, introduced two kinds of mold, and then placed it in a controlled, moisture-laden environment,” says Bernard Kane, of Microbe Management. “We created two separate chambers in our lab. One chamber was bathed in UV light. The other was not.”

The results were dramatic and conclusive. The side of the A-coil that was exposed to the ultraviolet light was clean and clear of mold growth. Mold continued to grow

unabated on the side without UV. Subsequently, the contaminated side was bathed in UV light and the mold was eradicated. Kane summarized the

results: “ProperlySurface Test Results positioning a UV lamp

over the A-coil in a residential or commercial air conditioning system can eliminate surface mold on the coil and prevent future mold growth as well.”

Airborne Testing: Single Pass and Cumulative Tests

Bacteria and viruses are introduced into the building by its occupants and often cannot be controlled at the source. Therefore, it is important to attack these airborne invaders early and often, before they have an opportunity to multiply. The single pass test proves that UV effectively kills these airborne microorganisms in the duct.

Since HVAC systems typically re-circulate the air 40-75 times per day, a multi-pass, cumulative test was also conducted. Results demonstrate that repeated, multi- pass exposure to UV light dramatically reduces the concentration of bacteria and viruses throughout

the home.1

1.Efficiency of Bacterial Disinfection by a Duct-mounted UV-Aire®Air Purifier: by Microbe Management

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