TROY — Troy-based Viper Networks Inc. announced that one of its first office building clients to purchase the LED-O T8 Tube products nearly six months ago, is tracking an annual 35 percent return on investment based on reduced lighting cost and lower electric usage charges.

The customer’s electric bills have continued to fall after installations from September through December, compared to the corresponding months in 2010. With an initial lighting investment of $12,400 to replace all existing T8 tubes in their office building at 2300 W. White Ave. in McKinney, Texas, the customer is on pace to reach 100 percent payback status in only 2.87 years.

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The bulbs have an expected lifespan of more than 12 years, meaning big savings ahead. Additionally, reduced energy expenses do not reflect the savings achieved by less maintenance cost, which is another hallmark of LED-O brand products.

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The savings were calculated on use of the light bulbs 12 hours a day, five days a week.

The LED-O T8 Tube retrofits in existing fixtures (with no ballast), replaces all T8 and T12 Tubes, can be used with any voltage 85-277 V, is 100 percent recyclable, works in minus -40 degree temperatures and is practically unbreakable.

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For additional information, please visit www.vipernetworks.com and www.LEDsAmerica.com.