[Bldg-sim] Solar Water Heater & Residential Classification for Hotel

[Tom Momeyer]

Loren,

 

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.

 

Tom

 

Thomas E. Momeyer, AIA, CCS, LEED AP

 

From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Loren Appin
Sent: Wednesday, February 20, 2008 8:28 AM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] Solar Water Heater & Residential Classification for
Hotel

 

Hi Everyone,

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.

Also, has anyone had any experience modeling solar hot water heaters in
VisualDOE and if so, how have you gone about modeling it?

Thanks for the help!


Loren

MECSD

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