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<br /> SEPTEMBER 2011 | www.hpac.com A Penton Publication<br /> USPS 100 APPROVED POLY<br /> Lawrence E. Wetzel, PE,<br /> founder of Air<br /> Innovations Inc., (left)<br /> with son Michael<br /> Wetzel, PE<br /> Engineering Green Buildings:<br /> Achieving Net-Zero Performance<br /> LEED Opportunities<br /> With District Energy<br /> System Simulation Modeling<br /> A Psychrometric Approach<br /> to Air-Side-Economizer LimitsSEPTEMBER 2011 I www.hpac.com<br /> A Penton Publication<br /> USPS 100 APPROVED POLY<br /> HEATING/PIPING/AIR CONDITIONING<br /> ENGINEERING<br /> Engineering Green Buildings:<br /> Achieving Net-Zero Performance<br /> LEED Opportunities<br /> With District Energy<br /> System Simulation Modeling<br /> A Psychrometric Approach<br /> to Air-Side-Economizer Limits<br /> HPAC<br /> ENGINEERING<br /> =. ENGINEER<br /> ^ of the year<br /> Lawrence E. Wetzel, PE,<br /> founder of Air<br /><a title="September 2011 page 1" href="http://viewer.zmags.com/publication/cd228178?page=1"> SEPTEMBER 2011 | www.hpac.com </a> <a title="September 2011 page 2" href="http://viewer.zmags.com/publication/cd228178?page=2"> AAON Chillers and Packaged Outdoor Mechanical Roo</a> <a title="September 2011 page 3" href="http://viewer.zmags.com/publication/cd228178?page=3"> They save you a bundle. The plug fans of the ce</a> <a title="September 2011 page 4" href="http://viewer.zmags.com/publication/cd228178?page=4"> Circle 152 Think traditional HVAC systems hav</a> <a title="September 2011 page 5" href="http://viewer.zmags.com/publication/cd228178?page=5"> PUBLISHING OFFICES: The Penton Media Buildi</a> <a title="September 2011 page 6" href="http://viewer.zmags.com/publication/cd228178?page=6"> WEB WORTHY This month on HPAC.com Last chance!</a> <a title="September 2011 page 7" href="http://viewer.zmags.com/publication/cd228178?page=7"> Circle 154One way to have a tranquil office... W</a> <a title="September 2011 page 8" href="http://viewer.zmags.com/publication/cd228178?page=8"> Circle 155An IT Expert's WORST FEAR & How Movin</a> <a title="September 2011 page 9" href="http://viewer.zmags.com/publication/cd228178?page=9"> EDITOR'S NOTES EDITORIAL ADVISORY BOARD: Wi</a> <a title="September 2011 page 10" href="http://viewer.zmags.com/publication/cd228178?page=10">   </a> <a title="September 2011 page 11" href="http://viewer.zmags.com/publication/cd228178?page=11"> VFD-Induced Bearing Currents Kill Motors! </a> <a title="September 2011 page 12" href="http://viewer.zmags.com/publication/cd228178?page=12"> ENGINEERING GREEN BUILDINGS BY MARK S. LENTZ, PE</a> <a title="September 2011 page 13" href="http://viewer.zmags.com/publication/cd228178?page=13"> Talk to us when you face a water supply challenge</a> <a title="September 2011 page 14" href="http://viewer.zmags.com/publication/cd228178?page=14"> ENGINEERING GREEN BUILDINGS "4)3"&*&4/"4UB</a> <a title="September 2011 page 15" href="http://viewer.zmags.com/publication/cd228178?page=15"> ENGINEERING GREEN BUILDINGS Each type has u</a> <a title="September 2011 page 16" href="http://viewer.zmags.com/publication/cd228178?page=16"> FROM THE FIELD NEWS & NOTES EDITED BY SCOTT ARNO</a> <a title="September 2011 page 17" href="http://viewer.zmags.com/publication/cd228178?page=17">  ('(   ) ! # )($"( $# $!)(</a> <a title="September 2011 page 18" href="http://viewer.zmags.com/publication/cd228178?page=18"> THE MOST RADICAL FIRETUBE BOILER IN THE WO</a> <a title="September 2011 page 19" href="http://viewer.zmags.com/publication/cd228178?page=19"> FROM THE FIELD NEWS & NOTES IN BRIEF Continue</a> <a title="September 2011 page 20" href="http://viewer.zmags.com/publication/cd228178?page=20"> FROM THE FIELD NEWS & NOTES NYC Mayor, Pulitzer</a> <a title="September 2011 page 21" href="http://viewer.zmags.com/publication/cd228178?page=21"> THE SMART-SOLUTION You provide us with the: </a> <a title="September 2011 page 22" href="http://viewer.zmags.com/publication/cd228178?page=22"> FROM THE FIELD NEWS & NOTES Calendar SEPT. 21-2</a> <a title="September 2011 page 23" href="http://viewer.zmags.com/publication/cd228178?page=23"> FROM THE FIELD NEWS & NOTES Chicago; Americ</a> <a title="September 2011 page 24" href="http://viewer.zmags.com/publication/cd228178?page=24"> SPONSORED CONTENT > RIP OUT OF MAGAZINE AND CLIC</a> <a title="September 2011 page 25" href="http://viewer.zmags.com/publication/cd228178?page=25"> Features and Benefits Reduced emissions – N</a> <a title="September 2011 page 26" href="http://viewer.zmags.com/publication/cd228178?page=26"> FROM THE FIELD DESIGN SOLUTIONS EDITED BY SCOTT </a> <a title="September 2011 page 27" href="http://viewer.zmags.com/publication/cd228178?page=27"> -PUHSS` HJOPSSLK ILHT [OH[»Z UV[ V]LY `V\</a> <a title="September 2011 page 28" href="http://viewer.zmags.com/publication/cd228178?page=28"> FROM THE FIELD DESIGN SOLUTIONS EDITED BY RON RA</a> <a title="September 2011 page 29" href="http://viewer.zmags.com/publication/cd228178?page=29"> FROM THE FIELD DESIGN SOLUTIONS EDITED BY SCOTT </a> <a title="September 2011 page 30" href="http://viewer.zmags.com/publication/cd228178?page=30"> FROM THE FIELD NEW PRODUCTS EDITED BY MICHAEL WE</a> <a title="September 2011 page 31" href="http://viewer.zmags.com/publication/cd228178?page=31"> FROM THE FIELD NEW PRODUCTS Fan-powered flue-</a> <a title="September 2011 page 32" href="http://viewer.zmags.com/publication/cd228178?page=32"> FROM THE FIELD PRODUCT SPOTLIGHT EDITED BY RON R</a> <a title="September 2011 page 33" href="http://viewer.zmags.com/publication/cd228178?page=33"> For the fifth straight year, Bradford White is th</a> <a title="September 2011 page 34" href="http://viewer.zmags.com/publication/cd228178?page=34"> HPAC Engineering's 2011 Engineer of the Year A</a> <a title="September 2011 page 35" href="http://viewer.zmags.com/publication/cd228178?page=35">   !      "  </a> <a title="September 2011 page 36" href="http://viewer.zmags.com/publication/cd228178?page=36"> The factory floor at Air Innovations, Syracuse, N</a> <a title="September 2011 page 37" href="http://viewer.zmags.com/publication/cd228178?page=37"> – David Folster, C.E.T., Lead Designer Willi</a> <a title="September 2011 page 38" href="http://viewer.zmags.com/publication/cd228178?page=38"> chairman of the company's clean- room group. </a> <a title="September 2011 page 39" href="http://viewer.zmags.com/publication/cd228178?page=39"> he said. “Software and on-board elec- tronics hav</a> <a title="September 2011 page 40" href="http://viewer.zmags.com/publication/cd228178?page=40"> LEED Opportunities with District Energy By</a> <a title="September 2011 page 41" href="http://viewer.zmags.com/publication/cd228178?page=41"> Circle 173BTU METERS FLOWMETERS Chilled Water</a> <a title="September 2011 page 42" href="http://viewer.zmags.com/publication/cd228178?page=42"> LEED OPPORTUNITIES WITH DISTRICT ENERGY En</a> <a title="September 2011 page 43" href="http://viewer.zmags.com/publication/cd228178?page=43"> Circle 174Nate Brink explains how Polyguard's chi</a> <a title="September 2011 page 44" href="http://viewer.zmags.com/publication/cd228178?page=44"> LEED OPPORTUNITIES WITH DISTRICT ENERGY ma</a> <a title="September 2011 page 45" href="http://viewer.zmags.com/publication/cd228178?page=45"> LEED OPPORTUNITIES WITH DISTRICT ENERGY </a> <a title="September 2011 page 46" href="http://viewer.zmags.com/publication/cd228178?page=46"> LEED OPPORTUNITIES WITH DISTRICT ENERGY 60% </a> <a title="September 2011 page 47" href="http://viewer.zmags.com/publication/cd228178?page=47"> LEED OPPORTUNITIES WITH DISTRICT ENERGY ef</a> <a title="September 2011 page 48" href="http://viewer.zmags.com/publication/cd228178?page=48"> System Simulation Modeling Considering building</a> <a title="September 2011 page 49" href="http://viewer.zmags.com/publication/cd228178?page=49"> 5IF&QJDFOUFSGPS4FJTNJD1SPEVDUT The</a> <a title="September 2011 page 50" href="http://viewer.zmags.com/publication/cd228178?page=50"> Save from a pre-mature death Immediately tame the</a> <a title="September 2011 page 51" href="http://viewer.zmags.com/publication/cd228178?page=51"> SYSTEM SIMULATION MODELING </a> <a title="September 2011 page 52" href="http://viewer.zmags.com/publication/cd228178?page=52"> SYSTEM SIMULATION MODELING of “energy in e</a> <a title="September 2011 page 53" href="http://viewer.zmags.com/publication/cd228178?page=53"> Plant power, kilowatts per campus ton 1.35 1.25</a> <a title="September 2011 page 54" href="http://viewer.zmags.com/publication/cd228178?page=54"> SYSTEM SIMULATION MODELING a P-only plant </a> <a title="September 2011 page 55" href="http://viewer.zmags.com/publication/cd228178?page=55"> Our Peerless Boiler F </a> <a title="September 2011 page 56" href="http://viewer.zmags.com/publication/cd228178?page=56"> SYSTEM SIMULATION MODELING Tower </a> <a title="September 2011 page 57" href="http://viewer.zmags.com/publication/cd228178?page=57">     </a> <a title="September 2011 page 58" href="http://viewer.zmags.com/publication/cd228178?page=58"> SYSTEM SIMULATION MODELING Operating a P-o</a> <a title="September 2011 page 59" href="http://viewer.zmags.com/publication/cd228178?page=59"> JOIN SFPE IN PORTLAND... SFPE PROFESSIONAL</a> <a title="September 2011 page 60" href="http://viewer.zmags.com/publication/cd228178?page=60"> A Psychrometric Approach to Air-Side-Economizer L</a> <a title="September 2011 page 61" href="http://viewer.zmags.com/publication/cd228178?page=61"> Superior efficiency rules the water. Int</a> <a title="September 2011 page 62" href="http://viewer.zmags.com/publication/cd228178?page=62"> A PSYCHROMETRIC APPROACH TO AIR-SIDE-ECONOMIZER L</a> <a title="September 2011 page 63" href="http://viewer.zmags.com/publication/cd228178?page=63"> A PSYCHROMETRIC APPROACH TO AIR-SIDE-ECONOMIZER L</a> <a title="September 2011 page 64" href="http://viewer.zmags.com/publication/cd228178?page=64"> CLASSIFIED ADS MARKETPLACE W</a> <a title="September 2011 page 65" href="http://viewer.zmags.com/publication/cd228178?page=65"> CLASSIFIED ADS MARKETPLACE </a> <a title="September 2011 page 66" href="http://viewer.zmags.com/publication/cd228178?page=66"> AD INDEX </a> <a title="September 2011 page 67" href="http://viewer.zmags.com/publication/cd228178?page=67"> Circle 187Commercial The Leader In High Efficien</a> <a title="September 2011 page 68" href="http://viewer.zmags.com/publication/cd228178?page=68"> :HDVNHGFXVWRPHUVZKDWWKH\ORRNHGIRULQ FRPPH</a>