[Bldg-sim] Need help in base case design for HVAC in Title 24 Rules

RobertWichert robert at wichert.org
Sat Mar 1 07:38:44 PST 2014


Also please bear in mind that the NEW 2013 standards take effect on July 
1, 2014 (they were supposed to take effect on January 1, 2014, but this 
was delayed due to software problems so anything you try now is apt to 
be wrong).

The 2013 ACMs are available here: 
http://www.energy.ca.gov/title24/2013standards/implementation/documents/index.html

There are two manuals, residential and non-residential.

Once you see how it is laid out, you will have questions.  There is no 
single simple table.  You can post your questions to the list or send 
them to me.  I'll try to help.  There is also a "hotline" at 
title24 at energy.state.ca.us .  They will also answer questions for you.

The "hotline" is very good with knowledgeable people.



Robert Wichert P.Eng. LEED AP BD&C
+1 916 966 9060
FAX +1 916 966 9068







===============================================

On 3/1/2014 6:12 AM, Cam Fitzgerald wrote:
>
> If you are just looking in the standard, you should find the 
> "Nonresidential Alternative Calculation Method (ACM) Approval Manual". 
> This document includes many of the modeling rules and baseline 
> requirements for Title 24 compliance. HVAC systems are addressed in 
> Section 2.5. Good luck!
>
> Cam Fitzgerald
>
> Energy Opportunities/a 7group company
>
> *From:*bldg-sim-bounces at lists.onebuilding.org 
> [mailto:bldg-sim-bounces at lists.onebuilding.org] *On Behalf Of *subhash j
> *Sent:* Saturday, March 01, 2014 3:54 AM
> *To:* bldg-sim at lists.onebuilding.org
> *Subject:* [Bldg-sim] Need help in base case design for HVAC in Title 
> 24 Rules
>
> Dear Sir/Madam,
>
>  We are studying California Title 24 Rules for Non-Residential 
> Buildings and we are not able to understand how the base case HVAC 
> system is defined for the simulation under whole building performance 
> approach of this book.
>
> During the study, we could not find any table similar to ASHRAE 90.1 
> Appendix G where system type is defined based on the conditioned floor 
> area and number of floors in the building.
>
> Request you to guide us on the selection of HVAC system to create the 
> base case of California Title 24 Rules for Non-Residential Buildings.
>
> Thanks,
>
> Subhash
>
>
>
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