Yearly Archives: 2008

Part II: Do You Know Your Controls Service Provider?

As summarized in last month’s e-Engineer, it is important to understand your technician’s level of expertise (and possible limitations) as well as to make sure a few key items are included in your service contract. In addition, your control service provider should offer certain value-added services to make sure you are receiving the best possible

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HVAC Planning for MRI System

When planning for an MRI suite, it is important to understand the substantial coordination requirements and other challenges associated with designing a HVAC system to support MRI equipment. Due to the unique and complex nature of these systems, and the critical space requirements associated with them, it is important to involve a HVAC engineer versed

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Geothermal Heat Pump Systems Part I – Are They Right for Your Project?

You may have heard about geothermal, or ground-coupled, water source heat pump systems as an alternative to oil and electric heat, but you may be wondering if it is the right type of HVAC system for your project. We have created a four part e-Engineer series dedicated to helping you identify ways to determine if

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Part I: Do You Know Your Controls Service Provider?

Your controls service provider functions as a partner with your in-house staff and mechanical contractor to meet your goals for safe, effective, reliable and cost-effective building operation. To make sure you are getting the best possible service for your investment, it is important to know your technician’s level of expertise (and possible limitations). In addition,

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How Does Your Chiller Plant Measure Up?

Now that temperatures are falling and central chilled water plants are going offline, it may be time to measure how your plant performed this past summer. Were you able to distribute chilled water at design temperatures throughout your building or campus? Were you able to maintain designed temperature splits? Were the spaces served by your central plant

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Incandescent, Compact Fluorescent or LED’s -Which Lighting Method is Best?

All lighting sources are not created equal, and simply providing the proper lighting level in a space is not always enough. Quality of light, efficacy, lamp cost (initial, replacement and life cycle) and environmental impacts are all key factors to consider when choosing the appropriate lighting source for a specific application. A proper lighting source

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The Hazards of Arc-Flash

An electrical arc-flash is a hazardous electrical explosion caused by faulty conditions or a short circuit that can reportedly generate temperatures of up to 35,000ºF—nearly four times the temperature of the surface of the sun. The dangers associated with arc-flash include severe burns and even death. In addition, a facility can also face significant financial

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Is Your HVAC System Prepared for Winter?

The sun is setting earlier, football season is underway and cooler temperatures are here. It’s time to think about preparing your HVAC system for the heating season. Including the following steps in your fall maintenance plan can help you save money and prevent common problems throughout the winter season. Replace air filters on heating systems. 

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How a Minor Manufacturing Defect Could Cause Major Problems for Your System’s Cooling Tower

During a recent commissioning study conducted on a cooling tower, Barton Associates found a manufacturing defect in the system’s factory panel wiring that could have caused the owner significant problems. The PLC output wiring for the high speed and low speed fan drives had been inadvertently switched by the manufacturer. This mistake would have caused

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Balancing Energy Conservation, Comfort and Productivity

Energy Conservation is a topic that is on everyone’s mind as energy prices continue to rise and climate changes ensue. As many of you know, adjusting the temperature in your building to a slightly higher setting in the cooling season and a little lower in the heating season is one easy way to consume less

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