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ASHRAE 90.1 (Non-Prescriptive)

ASHRAE 90.1 (Non-Prescriptive)

ASHRAE 90.1 (Non-Prescriptive)

(OP)
Does anybody know of a program that will calculate 90.1 compliance through non-prescriptive method.  I'm trying to gauge what measures I have to take to gain compliance for a building that exceeds 50% glazing.

RE: ASHRAE 90.1 (Non-Prescriptive)

try www.energycodes.gov ...... com check ez

RE: ASHRAE 90.1 (Non-Prescriptive)

(OP)
I have ComCheck EZ.  This program is strictly prescriptive method.  There are no trade-off options.  No bargaining.

RE: ASHRAE 90.1 (Non-Prescriptive)

off the top of my head, I think for the non-prescriptive
approach, you need to do a building simulation of a base building and the proposed building to demonstrate compliance - Many Software are available such as eQuest (free_, Carrier HAP, Trace, etc.
These are fairly comlex programs, but its the only way to get an 8760-model.
Let me know If I can be of further assistance.
Jonkatz, PE

RE: ASHRAE 90.1 (Non-Prescriptive)

This might not help you much, but I work in Oregon.  We use a program called CodeComp.  It is set up specifically for Oregon Energy Code and we get it through the State Energy Department.  I input all the information about the building (% glazing, wall construction, etc. etc.....).  Then it will calculate whether or not the design meets code.  If it fails, I can add insulation or make other changes to try to help it pass.  Oregon Energy Department calls this process the Simplified Trade-off Approach (STA).  Maybe your state energy department has something like this?

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