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Clean Room HVAC as process load?

NC-v4 EAp2: Minimum Energy Performance
posted by Maria Papiez on Apr 1, 2022, 1:21 pm

We are working on a project that includes spaces used to manufacture healthcare instrumentation in a clean room environment.  The client’s Engineering Standards as well as ISO 14644-1 Standard...

Last reply: Luis Andrade, Dec 1, 2022, 5:22 am

WWR allowances

NC-v4 EAp2: Minimum Energy Performance
posted by Julio Fernandez Amodia on Nov 24, 2022, 2:39 am

Hi there,

I am calculating the energy performance of a highrise building located in a warm climate place. The client want to have a very high WWR (>60%) even in the south facade. I...

Last reply: Julio Fernandez Amodia, Nov 24, 2022, 1:19 pm

Voltage Drop // mandatory provisions ASHRAE 90.1- 2010- ADDENDA 10218

NC-v4 EAp2: Minimum Energy Performance
posted by Sara BENLOUBA on Nov 22, 2022, 8:41 am

Hello everybody,

We are working on a project under LEED V4 certification.

ABOUT PREREQUISITE “MINIMUM ENERGY PERFORMANCE” , we must comply with the ASHRAE mandatory provisions and...

Last reply: Sara BENLOUBA, Nov 23, 2022, 2:34 am

Air Curtains in ASHRAE/IES Standard 90.1-2019

NC-v4 EAp2: Minimum Energy Performance
posted by Nima Soltani on Oct 29, 2021, 7:56 am

Recent ASHRAE/IES Standard 90.1-2019 Updates include the possibility of installing an air curtain system instead of installing a Vestibule / Revolving Door Entrance.

Can this ruling be...

Last reply: Jamy Bacchus, Nov 22, 2022, 8:52 pm

"external" process energy for airports- jet bridges, ground power units, andpreconditioned air units

NC-v4 EAp2: Minimum Energy Performance
posted by Moses Chong on Nov 15, 2022, 1:22 pm

Hello,

I'm working on an airport project expansion project. The LEED coach told us that we have to include the airplane jet bridges, ground power units (GPU) and preconditioned air units (...

Last reply: Marcus Sheffer, Nov 22, 2022, 4:33 pm

Exhaust energy recovery units

NC-v4 EAp2: Minimum Energy Performance
posted by Samer Hassanie on Nov 18, 2022, 10:26 am

Hi,

We have been getting the following comment from several reviewers:

"It is not clear if the preheat controls have been modeled as required by section G3.1.2.3. Note that the...

ASHRAE 90.1 Section 6.5.3

NC-v4 EAp2: Minimum Energy Performance
posted by Michael Abramson on Nov 16, 2022, 4:13 pm

Good afternoon all,

Going over the 6.5.3 fan power limitation and...

ASHRAE 90.1- 2010 Appendix G3.1.1 exception (d) applies to my project

NC-v4 EAp2: Minimum Energy Performance
posted by Prabin Parajuli on Nov 7, 2022, 4:53 pm

I am guessing this is going to be a utilization schedule. What would it look like?

For reference, ASHRAE 90.1 - 2010 Appendix G3.1.1 exception (d) - For kitchens with a total exhaust hood...

Partial use of Plant equipment for LEED certification

NC-v4 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Nov 3, 2022, 10:08 am

Greetings,

The project we are modeling consists of two building attached tightly one to the other (wall to wall). The HVAC project has been developing  these two building by applying one...

Last reply: ashley bautista, Nov 4, 2022, 11:10 am

According to ASHRAE 90.1, Is it mandatory to install occuppant sensors in electrical and mechanical rooms?

NC-v4 EAp2: Minimum Energy Performance
posted by Sara BENLOUBA on Nov 1, 2022, 12:09 pm

According to ASHRAE 90.1 / Section 9.4.1.2 , Do we have to install occupant sensor or a timer switch in electrical and mechanical rooms? 

Thanks, 

Last reply: Marcus Sheffer, Nov 2, 2022, 9:32 am