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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Don’t forget about chillers that can do Free Air cooling<o:p></o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> ausnog-bounces@lists.ausnog.net
[mailto:ausnog-bounces@lists.ausnog.net] <b>On Behalf Of </b>Noel Butler<br>
<b>Sent:</b> Thursday, 19 November 2009 11:10 a.m.<br>
<b>To:</b> Mark Prior<br>
<b>Cc:</b> ausnog@ausnog.net<br>
<b>Subject:</b> Re: [AusNOG] Internode goes Carbon Neutral<o:p></o:p></span></p>
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<pre><o:p> </o:p></pre><pre>On Wed, 2009-11-18 at 10:50 -0800, Mark Prior wrote:<o:p></o:p></pre>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre><o:p> </o:p></pre><pre> <o:p></o:p></pre><pre>potentially wasting it through inefficient IT processes. At a recent <o:p></o:p></pre><pre>LINX meeting Lex Coors of Interxion mentioned that they had UPSes from <o:p></o:p></pre><pre>two different suppliers and while it was difficult to measure the <o:p></o:p></pre><pre>efficiency of each they were surprised to discover how inefficient one <o:p></o:p></pre><pre>manufacturer was compared to another.<o:p></o:p></pre><pre><o:p> </o:p></pre></blockquote>
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The worst offenders are the HVAC units, but only due to poor designs by the
people planning and building the DC's and server rooms in the first place, how
many here actually expel the hot air via a rack chimney system into an overhead
plenum (being the air intake for the HVACs) not many I bet, most I've seen use
hot/cold aisle, so the hot air still goes back into the same DC your trying to
keep cool, that's far from efficient in this day and age.<br>
<br>
<o:p></o:p></p>
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<p class=MsoNormal>--<br>
<i>Kind Regards,</i><br>
<i>SSA Noel Butler</i><br>
<i><span style='font-size:7.5pt'>L.C.P #251002 (<a
href="http://counter.li.org">http://counter.li.org</a></span></i><i><span
style='font-size:10.0pt'>)</span></i><o:p></o:p></p>
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