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Energy Newsbriefs Blog

This current awareness service is prepared by the WSU Energy Program Library with funding from the U.S. Department of Energy State Energy Program. This information is provided for energy professionals and interested members of the public to highlight recent energy-related news, articles, and reports that discuss energy efficiency, energy conservation, and renewable sources of energy in engineering and policy circles.

 

Category: HVAC/R

HVAC/R


Can Energy Efficiency and Health Industries Bring Momentum Mainstream?

E4TheFuture Blog, Jan. 12, 2017, Julie Michals.
http://e4thefuture.org/blog/can-energy-efficiency-and-health-industries-bring-momentum-mainstream/

"When E4TheFuture decided to explore the health co-benefits of energy efficiency in its November 2016 white paper Occupant Health Benefits of Residential Energy, we had a particular reason for doing so. Our initial focus was to document studies that could help inform cost-effectiveness screening—specifically, to help make the case that important health co-benefits of efficiency exist, and their value is not $0. We were excited to piggyback on a broader research effort undertaken by the US DOE."

How To Calculate Life-Cycle Costs and Justify Energy Efficient HVAC Upgrades

Building Operating Management, Jan. 2017, by Conrad Kelso and Phil Lebrun.
http://www.facilitiesnet.com/hvac/article/How-To-Calculate-Life-Cycle-Costs-and-Justify-Energy-Efficient-HVAC-Upgrades--16971

"...a three-part article on how determining long-term costs can make energy efficiency more attractive to upper managers."

Chiller Plant Optimization: Improving On Variable Primary Flow Chilled Water System Operation

Engineered Systems, Nov. 2016, by Mark Bandini, Ernie Brandusa, and Carlos Petty.
http://www.esmagazine.com/articles/98002-chiller-plant-optimization-improving-on-variable-primary-flow-chilled-water-system-operation

"The larger or more complex a cooling plant becomes, the more challenges to its efficiency it will face. When applied wisely, modern controls and equipment can rise to meet those challenges. Read up on active balancing, pump dynamic differential setpoint control, and more responsive tactics for when the worst thing you can do is just go with the flow."

Why Would A Hospital Consider Absorption Chillers?

Engineered Systems, Nov. 2016, by Marcia Karr.
http://www.esmagazine.com/articles/98005-why-would-a-hospital-consider-absorption-chillers

"While CHP is good, CCHP can be even better for your facility and its locale. The author surveys the potential benefits, building code input, and electrical considerations. After a couple of case studies, she then reviews considerable engineering re-sources the DOE provides for those contemplating a forward-looking but proven design."

Understanding the Fan-Efficiency Rules

Consulting-Specifying Engineer, Nov. 2016, by Wade W. Smith.
http://www.csemag.com/single-article/understanding-the-fan-efficiency-rules/f6487a0a905b99d5c6ff3dfdbf3f9d0c.html

"Fan efficiency is critical in HVAC and process air systems. The new proposed Department of Energy standard will drive changes in how engineers design air systems to minimize fan energy."

Fan Selections and Their Energy Impacts, Part 2 of 2

HPAC Engineering, Oct. 2016, by Khalil Kairouz.
http://hpac.com/iaq-ventilation/fan-selections-and-their-energy-impacts-part-2-2

"Fans and fan systems can be significant consumers of energy in commercial applications and the greatest consumer in industrial ones. Concerned about underperformance, designers tend to compensate for uncertainties by adding capacity to fans. Oversizing fan systems creates problems that can increase costs and decrease reliability. This article explains how to evaluate fans and fan systems and their impact on operating costs."

Chiller Plant Optimization: The Role Of Controls

Engineered Systems, Oct. 2016, by Carlos Petty.
http://www.esmagazine.com/articles/97961-chiller-plant-optimization-the-role-of-controls

"Properly selected automated controls to minimize chiller plant energy, power consumption, and the cost of operations are essential for overarching chiller plant performance. Effective plant managers are driven to operate their plants at the lowest life cycle costs possible. This begins with the initial first cost of construction and recurring plant lifecycle operating costs, while still accounting for all the complexities and interaction among major plant equipment components."

The Internet of Things and Intelligent Facilities Management

HPAC Engineering, Nov. 7, 2016, Leroy Walden.
http://hpac.com/internet-things/internet-things-and-intelligent-facilities-management

"The application of intelligent-building and IoT technology should support three important goals: reduce costs, reduce risk, and improve the occupant experience."

Advanced Heating Technologies for VRF

Construction Specifier, Oct. 2016, by Cain White.
http://www.constructionspecifier.com/advanced-heating-technologies-for-vrf/

"Cold temperatures and disruptive precipitation create problems every year. When it comes to heating spaces, the challenge tends to be how to do 
it effectively and efficiently...Variable refrigerant flow (VRF) makes the most of the square footage and budget while offering energy-efficient and reliable technology providing superior occupant comfort. It achieves success by dividing a building’s interior into zones, each of which can be operated separately."

ASHRAE/IES Publish 2016 Energy Efficiency Standard [ASHRAE 90.1]

ASHRAE News, Oct. 26, 2016, by Jodi Scott.
https://www.ashrae.org/news/2016/ashrae-ies-publish-2016-energy-efficiency-standard

"Numerous energy savings measures resulting from industry input are contained in the newly published energy efficiency standard from ASHRAE and IES. ANSI/ASHRAE/IES Standard 90.1-2016, Energy Efficiency Standard for Buildings Except Low-Rise Residential Buildings, contains 125 addenda published since the 2013 standard. This 2016 version is the 10th edition published since the original standard was first published in 1975 during the energy crisis of the United States."
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