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--></style></head><body lang="EN-US" link="#0563C1" vlink="#954F72"><div class="WordSection1"><p class="MsoNormal">Hello,</p><p class="MsoNormal">We have 1 ton single package vertical heat pump in each apartment of a multi-family building. For minimum efficiency as per ASHRAE 90.1-2007. should these systems be compared with Table 6.8.1D <b>PTHP</b> system or <b>SPVHP</b>?</p><p class="MsoNormal">Please let me know.</p><p class="MsoNormal">Thanks,</p><p class="MsoNormal">Sunayana</p><p class="MsoNormal"> </p></div></body></html>