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Boilers: The Front-Loading Lowdown

The forward march of progress in terms of basic equipment and controls sophistication has made the combination of condensing and non-condensing boilers more attractive than ever. Still, you can’t just grab one of each and expect miracles.
Front-end loading is gaining momentum as a boiler system design strategy, as higher-efficiency condensing boilers replace older boiler technology and system control intelligence continues to improve
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Building Automation

Controls Optimization: No Longer Optional

Updated codes continue the push for better controls work as high performance edges further into the mainstream.
At one time, it might have been acceptable to view controls as a “necessary evil” with little attention given to the details of design including sequences and commissioning
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Motor Selection HVAC Design

Who actually specified that motor? Did they keep the entire system in mind or were they simply specifying one component at a time? And will that spec require over-speeding the motor?
Often, an HVAC system is designed by the selection of individual components and not by a whole-system approach
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Restoring The Low Limit For Indoor Relative Humidity

The research is consistent over the years, and the cost of low humidity continues to rise. Even our increasingly computer-oriented lifestyle exacerbates the problem.
Industry leaders realized hundreds of years ago that their processes and machines operate best when the indoor relative humidity is maintained at an optimum level for their process
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Problems Found In The Field: How Retrocommissioning Can Solve Them

The symptoms are familiar: hot and cold complaints, higher-than-expected costs, etc. Here’s a look at how the retrocommissioning process should work to tackle these and other developments for your facility.
In the last few years, major cities throughout the country have passed new energy code requirements mandating that commercial buildings perform regular retrocommissioning audits.
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Biomass CHP Serves Ohio Veterans Well

Sure, it was an award-winning first biomass design for the VA. And yes, it’s a big efficiency improvement.
Just as interesting, though, were the judicious choices along the way to maneuver tricky valve logistics, use CAD to pre-empt other problems, and occasionally recondition instead of replace. These moves reduced first cost, saved installation time, and freed up valuable floor space on top of the project’s long-term savings.
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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
5/13/15 11:00 am EDT

When's & Why's of Fuel Options and Selection for Backup Power

ON DEMAND This presentation will bring listeners up to speed on what the best options are today and in the near future. 

Engineered Systems Magazine

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2015 May

Check out the May issue of ES with the cover story: VRF with Heat Recovery Ventilation In PreK-12 Schools.

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