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VRF: Heat Recovery Or Heat Pump?

June 4, 2012

By Brendan Casey

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Designers can typically choose either type from any major manufacturer. But what are the differences and consequences for a design? What type of space lends itself to one or the other, and what windows of opportunity for real efficiency gains do either provide? Knowing all the differences can make all the difference.

Building Analysis Software: Integrated Environmental Solutions

July 2, 2012

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New ApacheHVAC expanded waterside capabilities include new heat transfer water loops plus new interface.

Motors & Drives Rebate Update

August 27, 2012

By Compiled By ES' Staff

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How often do you get paid to save money through improved system performance? Utilities have their own reasons for seeing you lower your bills, so don’t get started on that next retrofit until you’re sure your organization isn’t leaving money on the table.

Design software: Carrier

September 3, 2012

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Carrier introduces eDesign Suite software tools for buildings.

Insulation: Titus HVACE

November 12, 2012

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The company’s EcoShield natural fiber insulation is designed as an environmentally conscious IAQ liner.

Dataloggers: Omega Engineering

March 4, 2013

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The company has introduced its precision RTD temperature datalogger.

HVAC on the Aisles

January 2, 2013

By ES Staff

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Once again, we bring you an advance peek of what will be on the floor when AHR Expo attendees arrive in Dallas late this month. Attendees and non-attendees alike can also browse a treasure trove of info at www.ahrexpo.com. But for now, enjoy a snapshot drawn straight from the exhibitors themselves.

Married at the Courthouse: VRF & Geothermal

January 30, 2013

By Vic Amoroso, P.E.

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The author’s longtime interest in bundling efficiency techniques in a single system eventually led him to a new pairing: VRF zoning technology and geothermal design. See how he got there and how this couple played out for an historic 107-year-old Iowa courthouse that serves the law through the area’s brutal winters and humid summers.

Bridging Schools And Eras with HVAC

With literal and figurative tight spaces handled, now new boilers, hydronics, pumping systems, and DDC all work together to impress and serve.

February 27, 2013

By Paul Johnson P.E., CSI, LEED® AP BD+C

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In today’s world, so-called “high-performance, sustainable” facilities are a dime a dozen. But many of these buildings rely on overly complex mechanical systems to carry out their mission.

The Heat Is On But The CRACs Are Off... Now What?

With Hurricane Sandy fresh in our minds, let’s examine the anatomy of a recent outage’s immediate HVAC consequences as a guide toward protecting equipment in the future.

March 29, 2013

By Kevin Dickens, P.E.

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October 29 was a Monday. It was also the day that Hurricane Sandy made landfall in New York City. Around 7 p.m., Con Edison shut power off in Lower Manhattan, and it would be sometime Saturday before lights would begin to flicker back on.

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3/20/13 2:00 pm EST

Risk and Reward within Reason – Identifying Data Center Best Practices via Lessons Learned and CFD Analysis

On-Demand The presentation will be a discussion of current and emerging mechanical best practices informed by real world experience and project based analysis.

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