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    <p>A mini split heat pump would be a (relatively) permanent
      solution. Mount a bracket on the inside wall & locate the
      outside unit nearby. The two are connected by a pair of copper
      refrigerant lines & some electric wires that pass through a
      ~3" dia hole in the wall. <br>
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    <p><br>
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    <p>I installed a couple of mini split heat pumps in our garage &
      the bonus room above. The install was easy. I had an electrician
      install the connection/shut off boxes outside and then I paid a
      HVAC tech to vacuum the lines and check the refrigerant charge
      (they come pre-filled). They work great - with the push of remote
      control button I can have heat or A/C. Note that they lose
      efficiency for heating when outside temps are below 30F-35F. <br>
    </p>
    <p><br>
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    <p>Eric Russell</p>
    <p>Mebane, NC <br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">On 8/21/2018 1:03 PM, Steve Hochschild
      wrote:<br>
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        <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue">What
            you want is called a mini-split.  All it needs is a couple
            of coolant lines through the wall, the compressor is mounted
            outside.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:blue"><a
href="https://www.homedepot.com/b/Heating-Venting-Cooling-Ductless-Mini-Splits/N-5yc1vZc4m1"
              moz-do-not-send="true">https://www.homedepot.com/b/Heating-Venting-Cooling-Ductless-Mini-Splits/N-5yc1vZc4m1</a><o:p></o:p></span></p>
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                  <p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">When
                      this new building I am in was constructed, the
                      idiots didn't do the HVAC correctly so I get
                      basically no cold air in my office. If I am
                      running two computers and two monitors and have
                      the door closed it gets close to 80 degrees. For
                      someone who wears shorts in the winter here in
                      southern WI, working in temps this high is
                      difficult. I don't know if I can physically wait
                      for these idiots to fix this issue. <o:p></o:p></span></p>
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style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
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                  <p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">So,
                      is there such a thing as a portable
                      air conditioner that doesn't need to have access
                      to an open exterior window? (that doesn't cost
                      several hundred dollars)<o:p></o:p></span></p>
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