Tom,<br><br>Thanks for responding so quickly. Yeah, I have been using those tables for the building envelope, which come out to be the same residential vs. non residential in my climate zone, but, sorry, I don't think I clarified my doubt well enough. What I am actually more concerned about is the type of HVAC system to use for the base case model, as a residential building asks you to use PTAC, but VAV for non-residential.<br>
<br>So what do you do when it comes to the hvac systems?<br><br>Thanks!<br><br><div class="gmail_quote">On Feb 20, 2008 6:04 PM, Tom Momeyer <<a href="mailto:tom@momeyer.com">tom@momeyer.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div link="blue" vlink="purple" lang="EN-US">
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<p><span style="font-size: 10pt; color: rgb(0, 32, 96);">Loren,</span></p>
<p><span style="font-size: 10pt; color: rgb(0, 32, 96);"> </span></p>
<p><span style="font-size: 10pt; color: rgb(0, 32, 96);">For building envelope compliance on hotel mixed use projects,
using prescriptive tables (Tables 5.5 in 80.1 2004), I check the required
values using the Residential column U, R, etc values applied to the guestroom
areas and the Nonresidential column values applied to the offices, dining, back
of house, etc. areas. This is per definitions for Residential and
Nonresidential; for Residential it says "hotel/motel guest rooms".
And, 5.5.1 says for conditioned space, the exterior building envelope shall
comply with either the "nonresidential" or "residential"
requirements in Tables 5.5-1 through 5.5-8.</span></p>
<p><span style="font-size: 10pt; color: rgb(0, 32, 96);"> </span></p>
<p><span style="font-size: 10pt; color: rgb(0, 32, 96);">Tom</span></p>
<p><span style="font-size: 10pt; color: rgb(0, 32, 96);"> </span></p>
<p><span style="font-size: 10pt; color: rgb(0, 32, 96);">Thomas E. Momeyer, AIA, CCS, LEED AP</span></p>
<p><span style="font-size: 10pt; color: rgb(0, 32, 96);"> </span></p>
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<p><b><span style="font-size: 10pt;">From:</span></b><span style="font-size: 10pt;">
<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>
[mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Loren Appin<br>
<b>Sent:</b> Wednesday, February 20, 2008 8:28 AM<br>
<b>To:</b> <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> [Bldg-sim] Solar Water Heater & Residential Classification
for Hotel</span></p>
</div><div><div></div><div class="Wj3C7c">
<p> </p>
<p style="margin-bottom: 12pt;">Hi Everyone,<br>
<br>
Was wondering if someone could clarify if a hotel falls under
"residential" within the ASHRAE 90.1 guidelines. I'm modeling a
hotel that is G+6, and is filled with guest rooms except for the ground floor
which includes a lobby and small cafeteria. I find that this
clarification becomes especially important when doing the base case model using
the guidelines from appendix G as it makes a large difference in the type of
system to use. In the user manual, on page G-22 to be specific, The last
paragraph states that "Residential spaces in buildings are used primarily
for living and sleeping. They include, but are not limited to, dwelling
units, hotel/motel guest rooms, dormitories... etc." And for this reason I
have assumed the building to be residential, but because it says
"residential SPACES" instead of "buildings" I am starting
to question it.<br>
<br>
Also, has anyone had any experience modeling solar hot water heaters in
VisualDOE and if so, how have you gone about modeling it?<br>
<br>
Thanks for the help!<br>
<br>
<br>
Loren<br>
<br>
MECSD</p>
</div></div></div>
</div>
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