Extra Edition

Laying Out Rectangular Duct Transitions

August 30, 2005
Transitions are needed in almost every duct run to change the size or shape of the ductwork. This article explains how to lay out rectangular transitions.
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Backing Up Your Web Site Data: An Overlooked And Underused Necessity

August 20, 2005
Over the last decade many businesses have made the Web a key revenue-generating channel. A natural consequence is that enormous amounts of valuable data are stored on computers, and computers tend to die from time to time. So a backup solution should be available.
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How To Increase Efficiency, Reduce Maintenance, And Improve IAQ With UV

August 20, 2005
Mold spores are encountered everywhere. When they find the right environment, they'll multiply to the point of affecting HVAC performance and possibly occupant health. But there is a cost- and energy-efficient way to eliminate mold growth in HVAC systems - ultraviolet (UV) germicidal lamps.
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Btu Buddy 29: Outdoor Unit With Restricted Airflow

August 20, 2005
In this edition of the Btu Buddy series, Bob finds an outdoor unit that has been enclosed by a deck. Bob and Btu Buddy come up with a temporary solution to restore adequate cooling and determine where to relocate the unit.
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Hot Topics, Cool Solutions 18: Written Processes, And More

August 7, 2005
Every week somebody drops the ball and leaves something undone. It's so frustrating! We talk and you'd think they'd know what to do by now, but they don't. What can I do?
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Quick Facts: Evacuation

August 7, 2005
This article discusses the purpose of evacuating a refrigeration system and how low a vacuum is needed to properly evacuate a system.
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Motor Tips: Overload And Speed Change

August 7, 2005
This article provides tips on how to tell when a motor is overloaded and what can be done with a new replacement direct-drive fan or blower motor when little or no speed change can be detected from one connection to the next.
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A Near-Term Solution For Health Insurance Costs

July 25, 2005
A strong majority of U.S executives rate health care insurance costs as their No. 1 concern. Conditions are painful for small businesses as well as large companies. Health savings accounts (HSAs) are a way to help control these costs.
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Btu Buddy 28: A Stopped Up Condensate Line

July 22, 2005
In this installment of the Btu Buddy series, Bob's customer has a major problem with a condensate leak. Btu Buddy assists in solving the problem and suggests what to do to prevent a reoccurrence.
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Minimizing System Effect

July 22, 2005
System effect is the negative impact on fan performance that results when the fan is connected to a duct system. This article explains system effect, what causes it, and how to overcome it.
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