Tuesday, November 19, 2013
Power Fire, Life Safety Electrical, Lighting Building Types Codes and Standards HVAC
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Understanding the limitations of fan efficiency grades
Single Article

Fan efficiency grades (FEG) are a poor metric in determining the most efficient fan (in terms of actual power consumption) for a given airflow and pressure operating point. The best simple metric to ensure the lowest power consumption is the operating brake horsepower at the specified design point. Read More

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Factoring lighting into cooling loads
Single Article

How to select, design, and redesign lighting systems so they complement HVAC systems.Read More

Case study: Coordinating interstitial spaces in an existing building
Single Article

An existing building—destined as a medical facility—held a few surprises during renovation. BIM and clash detection helped smooth the process.Read More

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Carrier® WeatherExpert rooftops (3-23 tons) with efficiencies up to 21 IEER (exceeding ASHRAE 90.1 by 87%) and the Staged Air Volume (SAV™) system to maximize comfort, savings. Learn more.
How UV-C energy works in HVAC applications: Part 2
How UV-C energy works in HVAC applications: Part 2

The second installment of this three-part series explores how lamps similar to fluorescent lamps generate UV-C light.Read More

ASHRAE publishes 2013 version of IAQ standard
Single Article

The 2013 version of ASHRAE’s indoor air quality (IAQ) standard contains several revisions to help users better meet its requirements.Read More

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Poll of the Week
When engineering systems in mission critical facilities (hospitals, data centers, etc.), what's the most complex issue you face?
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Arc Flash Safety eGuide: Learn how to integrate electric safety with design; protect using internal VFIs in liquid substation transformers, and about the potentially lethal hazards associated with arc flash events in a 400V data center. Sponsored by Eaton Click here.
Webcasts On-Demand
Still need to finish earning Continuing Education Units (CEUs)?
Attend any of our 1-hour-long webcasts on topics including modular data centers, notification and emergency communication systems, and circuit protection for health care facilities.

Modular data center design

Fire and Life Safety: Notification and emergency communication systems

Critical Power: Circuit Protection in health care facilities

Smart Electrical Systems: Meters, submeters, and smart meters

Critical Power: Standby power for mission critical facilities

HVAC: ASHRAE 62.1, 62.2, and air movement

Critical Power: Standby versus emergency power systems
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Products
Oil-free compressor for full and part load
Oil-free compressor for full and part load

The commercial refrigerant compressors are designed for water-cooled chiller applications.Read More

Free application suite for engineers
Free application suite for engineers

The eCAPS Engineer Application Suite from Greenheck has expanded to include fans and louvers. Read More

Self-powered rotary pipe cleaning nozzle
Self-powered rotary pipe cleaning nozzle

The Jetstream RotoMag X22 2D is a self-powered rotary pipe cleaning nozzle designed for vessel and... Read More

Heat pump with single-zone VAV technology
Heat pump with single-zone VAV technology

The K-Series heat pump model is designed for high-efficiency design builds, and aiding in... Read More

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