New Standard Measures Heat Gain of Office Equipment

05/14/2015 |

ASHRAE guideline will calculate cooling needs and cut plug loads

Plug loads

As the percentage of building energy use from plug loads continues to grow, a new standard from ASHRAE will help building professionals estimate the heat gain of equipment. AHSRAE/ANSI Standard 203-2014 Method of Test for Determining Heat Gain of Office Equipment Used in Buildings will calculate the range and average operating heat gains of office equipment.

Plug loads from office equipment like printers, computer monitors, and copy machines account for 20-50% of building energy use. Without accurate data or a uniform process to measure internal heat gains, it is difficult to cool facilities efficiently.

“Most plug loads operate at a fraction of their nameplate electrical load, and as a result, produce significantly less heat load than engineers may use in their cooling load calculations based on those nameplate values,” says Glenn Friedman, chair of the Standard 203 committee. “This can result in oversizing of air-conditioning equipment, resulting in extra initial cost for that equipment as well as higher operating cost.”

The standard will help engineers optimize HVAC equipment selections by verifying how much internal heat gains from plug loads contribute to the cooling load.

Looking to cut your building’s energy waste? Check out these 6 Steps to Slash Plug Loads.

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Surpass State Energy Requirements with Dual-Cooling Data Center CRAC Technology

See how professionals like you are taking advantage of the highest performing precision cooling system for their computer rooms and data centers, and why Data Aire is fast-becoming the number one choice for facility managers and building owners looking to decrease their energy consumption. 

Data Aire understands how digital technology and data gravity is rapidly impacting and transforming businesses. That’s why they developed ultra-efficient cooling technology to support the most modern (and not-so-modern) data centers.  Learn how One Wilshire in Los Angeles, one of the most advanced carrier hotels today, is surpassing California's strict energy efficiency requirements with Data Aire’s purpose-built system, which provide full-economization for 260 days – almost 72% of the year. That’s a measurable savings! Furthermore, the projected PUE on an annual basis for a full load is at or below 1.2.


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