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Featured Stories

UV-C And Hospital Infection Control

We continue our multifaceted look at the critical issue of hospital-acquired infections (HAI), this time through the prism of an industry veteran discussing ultraviolet germi-cidal irradiation and the role it can play in preserving patient health.
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ASHRAE Winter Meeting & AHR Expo: What’s In It For Me?

Events past and present show why you should get involved.
Back in 1980, I attended my first ASHRAE winter meeting, and yes, I am aware that some of you readers weren’t born then, but I digress.
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Demand-Controlled Ventilation

The right design strategy can lead to safe, more efficient environments.
One of the challenges we have with commercial buildings is the fine line between providing a safe and healthy indoor environment and maximizing energy efficiency.
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Commissioning Team Members

Know the cast of characters and how each needs to step up.
Last month, I touched on the impact of changing key personnel on a commissioning team.
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Question Everything When Replacing Commercial Boilers

Seven questions to always ask the existing boiler’s operator round up this article, written to save you time and save your client grief (and possibly money) before, during, and after the project. Pumps, pipes, asbestos, and budget are just a few areas where opportunity (or problems) await.
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Issues and Improvements In Commercial Kitchen Exhaust Ducts

For many years, duct products have often involved significant on-site measurement and construction, bringing certain advantages and risks. Here, that practice is com-pared to the use of listed ductwork, with an eye on duct integrity, hood connections, clearance to combustibles, fire ratings, and more.
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The Pitfalls Of Pressurization Smoke Control Systems

One of the primary objectives of the model building codes is to minimize the impact of fire, including reducing to the greatest extent possible the spread of fire and smoke floor-to-floor.
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Doubling Energy Productivity by 2030

Meeting future challenges will require the deployment of existing, proven technologies — and a holistic approach to buildings.
While energy efficiency remains at the forefront of trends impacting the HVACR industry, it’s not only efficiency that the industry — and country — needs to be thinking about.
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Will Liquid Cooling Solutions Save Energy?

Recent technology advancements have resulted in high heat producing hardware pushing the envelope of traditional air cooling methodologies. In response, some vendors have introduced liquid cooled solutions as a viable alternative that can accommodate as much as 30 kW/rack or more. This article will discuss the energy efficiencies of the various cooling solutions available or possibly available in the future.
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Protecting Those Who Served: Ventilation At Walter Reed

At Walter Reed National Military Medical Center, the mission was an air handling overhaul without interrupting the usual delivery of care. The project team delivered a safer, upgraded environment via a new desiccant system, air handlers, increased flexibility in the surgical suites, and more.
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Check out highlights from projects featured in our magazine this year!

Engineered Systems Magazine


2015 January

Check out the January issue of ES with features on commercial kitchen exhaust ducts, doubling energy productivity, pressurization smoke control systems, and more!
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System Design

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The Green Energy Management Book

Learn from our experts how to evaluate job opportunities, market your services, sell a Walk-through Survey, target areas for an Energy Audit, calculate energy savings, do retrofit work, and win continuing contracts for retrofit work.

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Clear Seas Research

Clear Seas Research ImageWith access to over one million professionals and more than 60 industry-specific publications,Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!


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