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Retrofitting

Electrical Equipment HVAC Loads

A significant part of the HVAC load is attributable to electronic equipment located in the space. Some of the equipment used, such as refrigerators, water heaters, or freezers, runs all the time. So their use […]
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Retrofitting

Utility-Rate Analysis

Many utilities have a dozen or more different rate structures for commercial clients, each with many different provisions and riders. This elaborate billing scheme changes continually, according to the prevailing regulatory climate, legislative mandates, and […]
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Retrofitting

Peak Load Reduction

The peak demand charge is an incentive to try creative ways to lower the peak electrical use at a facility. Controls are the means to accomplish this end. Many buildings have been built with an […]
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Retrofitting

Electrical System Analysis

Technology has advanced substantially in recent years, beyond what the designers of buildings even a few short years ago could have anticipated. The increase in office equipment is the most marked change—copy machines, fax machines, […]
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Retrofitting

Elevator Controls

Some of the most powerful motors in a building are the elevator motors. They run almost morning, noon, and night – 60 or 80 hours a week. A favorite energy-saving project is to replace these […]