Technical

Data Loggers Help Keep Guests Comfortable at Marriott Hotels

When a plumbing, heating or cooling snafu occurs in one of the 13 Marriott hotels under his supervision, it is John Miller’s job to root out the problem and preserve the comfort of guests.


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Contractor Reduces Setup Time With Electronic Controller

Setting up a refrigeration condensing unit for a walk-in cooler can present a challenge in foodservice applications.


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More Products That Save the HVAC Way

Saving energy saves dollars. Continuing the theme of the feature story “Saving the Day the HVAC Way” in this issue, here are a few more products that offer end users energy efficiency savings.


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Nationwide Utility Rates Now Available on Open EI

Utility rates from cities all across the United States are now available in one place — the U.S. Department of Energy’s (DOE’s) Open Energy Information platform, or OpenEI.org.


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High-Efficiency Chillers Projected to Provide Big Savings

The University of Texas Arlington has commissioned two new high-efficiency chillers that will serve the main campus cooling loop and provide projected annual energy savings of nearly $200,000.


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Shaft Grounding Rings Improve Sustainability of HVAC Motors

Shaft currents induced by VFDs can wreak havoc with bearings, so a reliable method of shaft grounding is essential.


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Fail-Safe Overheating Protection: A Necessity for Electric Heaters

Record power demands during the last two winters caused electrical distribution zones to trip off-line.


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NREL Data Center Is a Model of Energy Efficient Design

The data center for the U.S. Department of Energy’s (DOE’s) National Renewable Energy Laboratory (NREL) recently benefited from an “extreme home makeover” as it moved from leased office space to the lab’s ultra energy efficient Research Support Facility (RSF). The lessons learned are expected to help data centers across the nation green up their ones and zeros.
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IAQ Research Reveals Regional Differences

High humidity within homes creates numerous problems. Despite the many home-related humidity issues, there has been little to no measured data available on actual indoor humidity levels in U.S. households. That is why the U.S. Department of Housing and Urban Development (HUD) funded Steven Winter Associates Inc. (SWA) to collect data from homes on interior humidity levels.
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Renovating HVAC Systems at Air Force Base Achieves Energy Goals

United States Air Force personnel sought a solution to renovate the makeup air and exhaust ventilation systems to reduce energy usage in a 35,000-square-foot aircraft corrosion control hangar in Oklahoma City. By utilizing Munters energy recovery systems, engineers at the base achieved their mission.
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Multimedia

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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

Podcasts

NEWSMakers: Jason Vogelbaugh

Jason Vogelbaugh of Alpha Controls drops in to the NEWSMakers podcast to discuss his role with the company, the InsideIQ Building Automation Alliance, and current energy-efficiency projects being worked on. Posted on Sept. 26.

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ACHRNEWS

NEWS 09-29-14 cover

2014 September 29

Check out the weekly edition of The NEWS today!

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EFFICIENCY STANDARDS

DOE has denied AHRI’s petition for reconsideration of walk-in standards. Is it getting harder to reach consensus on efficiency standards?
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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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