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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal">What is the appropriate way to model a gas furnace that modulates with a 16:1 turndown?</p><p class="MsoNormal">
</p><p class="MsoNormal">Thank you,</p><p class="MsoNormal"> </p><p class="MsoNormal"><b><span style="font-family:"Arial","sans-serif";color:#17109c">Mike Campbell, E.I.T., LEED AP O+M</span></b><span style="font-family:"Arial","sans-serif""><br>
<b><span style="color:#17109c">Sustainability Specialist</span></b><br><b><span style="color:#4f6228">Sustainable Solutions Corporation</span></b></span><br><span style="color:#000099">Office:</span> <a href="http://610-569-1047/" target="_blank"><span style="color:blue">610-569-1047</span></a></p>
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