Optimizing Dedicated Outdoor Air Systems

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Outdoor air brought into a building can be expensive to temper and, if not properly conditioned, can cause humidity problems for the building. Designers are increasingly finding that using dedicated outdoor air systems (DOAS) allows them to comply with ASHRAE 62.1 with an energy efficient and easily verifiable design.
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Combined Heat and Power in Action: Demonstration Projects Showcase Technologies

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The U.S. Department of Energy (DOE) has actively supported cost-shared combined heat and power (CHP) R&D and demonstration projects. This article showcases four successful CHP demonstration projects, and illustrates its broad applicability across industrial, commercial, and institutional facilities.
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Combined Heat and Power: A Clean, Local Energy Solution

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The U.S. Department of Energy’s (DOE’s) Industrial Technologies Program (ITP) has identified combined heat and power (CHP) as one of the most important opportunities available today for increasing energy efficiency and reducing emissions. This article explains CHP technology uses and benefits.
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Focused Cooling Using Cold Aisle Containment

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As heat densities and cooling costs rise, data center professionals are looking for more efficient cooling solutions. A cold aisle containment retrofit can be implemented easily and quickly, carries a payback time from weeks to a few months, and can reduce cooling related energy costs by as much as 30 percent.
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Optimizing Fleet Maintenance With Wireless Vehicle Management

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Unfortunately, many fleets simply take a reactive approach to vehicle maintenance. In a widely distributed fleet, that could mean costly repairs, not to mention vehicle downtime. Fleet managers need to be able to monitor and collect data on the “health” of their vehicles to fix problems early and reduce costs.
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Study Highlights U.S.-Ready European Green Building Technologies

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The Mechanical Contractors Education and Research Foundation recently released a new study  that describes green building technologies being implemented in Europe that could be used in the United States, especially chilled beams and active or dynamic façades.
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Geothermal System Cuts Gas, Electric Usage for Athletic Center

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The St. Cloud (Minn.) Municipal Athletic Center (MAC) found a way to go green and save taxpayer dollars in the process. With the installation of a new GeoExchange system, the MAC is using the earth to maintain the arena ice and heat the facility, saving electricity and gas as well as reducing greenhouse gas emissions.
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The Perfect Technology Storm

By James F. Dagley and Terry W. Hoffmann
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The previously distinct systems within buildings are converging on standard platforms, applications, and infrastructures. And the synergy created by that convergence is translating into lower construction costs along with increased efficiencies in operations and energy usage.
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Combined Heat and Power Basics

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Combined heat and power (CHP), also known as cogeneration, is the simultaneous production of electricity and heat from a single fuel source. CHP is not a single technology, but an integrated energy system that can be modified depending upon the needs of the energy end user.
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How to Avoid IT Equipment Overheating - in Winter

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Many businesses face a new challenge that may take them by surprise: Keeping the heat-sensitive IT equipment in their server or telecom closet cool during cold-weather months, when the building is heated. The equipment is susceptible to malfunctioning or damage due to overheating, so keeping it cool is essential.
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2014 Energy Efficiency Forum

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


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 22

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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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