Technical

Contractor Reduces Setup Time With Electronic Controller

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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

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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

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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

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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

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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

By Ed Trout
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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

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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

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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

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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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Mold Control: Preventing Moisture in Schools During Summer

By David Simkins
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The moisture content in a school’s building envelope can provide the medium that mold needs for incubation and growth. Whether a school is under construction or unoccupied during the summer break, it likely is without an HVAC system to help control moisture. Without humidity control, school buildings can become a breeding ground for mold and mildew.
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2014 Energy Efficiency Forum

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

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NEWSMakers: Mark Satterfield

Mark Satterfield, founder and CEO of Gentle Rain Marketing Inc. and author of “The One Week Marketing Plan” talks about his book and the importance of HVAC blogging. Posted on Sept. 19.

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2014 September 15

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The NEWS reported that a man received prison time for venting R-22. Should EPA step up enforcement?
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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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