<html><head></head><body style="zoom: 0%;"><div dir="auto">I am not seeing what you are seeing. With no lighting, space heat is 239,761 kWh. With lighting, space heating is 174,860 kWh. Cooling is also behind as I would expect ... more with lighting. <br><br></div>
<div dir="auto">I think your lighting schedule is dramatically too big for apartments. It ranges from 60% overnight all night to high 80s all day. I wouldn't expect more than 3 to 4 hours of lighting for apartments. </div>
<div class="gmail_quote" >On Jun 19, 2025, at 6:27 p.m., John Aulbach <<a href="mailto:jra_sac@yahoo.com" target="_blank">jra_sac@yahoo.com</a>> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="yahoo-style-wrap" style="font-family:verdana, helvetica, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">I attach two versions of a Multi family project I am working on in Virginia, plus the weather I used. DETAIL-1 is the way I ran it was normal, an individual heat pump in hundreds of zones. My Client feels the space heating load is not enough and feels eQuest is overcompensating for the heat emitted by LEDs vs the fluorescent light actually represented.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">So I thought, what if I removed the lighting COMPLETELY, to see how much space heating would go up.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">But, golly, space heating went DOWN (see attached BEPS from each model) !!</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">What physics course did I miss to explain THIS one??</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">John R Aulbach, PE</div></div></blockquote></div></body></html>