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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal">Hello,</p><p class="MsoNormal"> </p><p class="MsoNormal">I have a question regarding ASHRAE 90.1 Appendix G HVAC systems for a residential building.  It is a 38 story residential building with about 50,000 SF of floor area that is not residential units comprised of corridors, amenity spaces, mechanical rooms, storage rooms, etc.  I will be using system 2 PTHP for the residential spaces.  Should I be using system 7/8 for the rest of the building since the building is 38 floors?</p>
<p class="MsoNormal"> </p><p class="MsoNormal">Thank you</p><p class="MsoNormal"> </p><p class="MsoNormal"><b><span style="font-size:12.0pt;color:#17109c">Mike Campbell E.I.T., LEED AP O+M<br>Sustainability Specialist </span></b></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:#4f6228">Sustainable Solutions Corporation</span></b></p><p class="MsoNormal"><span style="color:#17109c">Office: 610-569-1047  </span></p><p class="MsoNormal"><span style="color:#17109c"><a href="http://www.sustainablesolutionscorporation.com/"><span style="color:blue">www.SustainableSolutionsCorporation.com</span></a></span></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;color:#17109c">Sustainable Solutions Corporation is WBENC and BCorp Certified.</span></i></p><p class="MsoNormal"> </p><p class="MsoNormal"><i><span style="font-size:8.0pt;font-family:"Times New Roman","serif";color:#a6a6a6">This email message and any attachments are for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message and any attachments.</span></i></p>
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