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Garage Fan Power Allowance

CS-v4 EAp2: Minimum Energy Performance
posted by Kristen Brozowski on Nov 5, 2019, 3:13 pm

I have a two story 115,000 ft2 garage, that in the design has both supply and exhaust fans to maintain a pressure neutral design. I am submitting an exceptional calculation...

Last reply: Tyler Thumma, Jul 15, 2021, 1:04 pm

Tenant lighting fixtures installed but not wired up

CS-v4 EAp2: Minimum Energy Performance
posted by Varunya Jarunyaroj on May 27, 2021, 12:33 pm

The owner of our LEED V4 CS project plan to provide lighting fixtures on the ceiling grid in the tenant space; however, they the wiring and control will be done by tenants due to different leased...

Last reply: Marcus Sheffer, May 27, 2021, 3:07 pm

Energy Provider Clean Energy programs and the Energy Calculation

CS-v4 EAp2: Minimum Energy Performance
posted by Lou Niles II on May 3, 2021, 4:46 pm

because of the cleaner grid, the alternative performance metrics should still find some advantage. There is a separate forum for the pilot credit that may have more information.  Log in or register to post...

Last reply: Lou Niles II, May 4, 2021, 11:57 am

Airflow rates for pressure drop in LEED v4

CS-v4 EAp2: Minimum Energy Performance
posted by Przemysław Rejczak on Mar 19, 2019, 7:07 am

Dear everyone,

For one of our project we received the Review Comment regarding to...

Last reply: Tyler Thumma, Apr 21, 2021, 11:31 am

Chilled beams with default occupancy

CS-v4 EAp2: Minimum Energy Performance
posted by Manuel Martin Delgado on Jun 29, 2020, 7:13 am

Hello,

We have an office building designed with DOAS CAV (20degC ) and active chilled beams with induction factor of 4 (at 18.5degC). The fresh air for higenic reasons is 40m3/h*person,...

Last reply: Manuel Martin Delgado, Apr 15, 2021, 4:36 am

Heat pumps powered by 100% renewable energy (REC)

CS-v4 EAp2: Minimum Energy Performance
posted by Giuseppina Amorusi on Mar 23, 2021, 4:36 am

Goodmorning,

I’m working on the project that has different heat pumps water to water.

I know that the heat pumps are not considered...

Last reply: Marcus Sheffer, Mar 23, 2021, 1:22 pm

Hot-water design supply and return temperature difference

CS-v4 EAp2: Minimum Energy Performance
posted by Przemysław Rejczak on Feb 22, 2021, 10:11 am

Dear Everyone,

I got a comment for one of our project which in my opinion is not ccompatibe with ASHRAE. We do not have much time for the response, so I decided to ask about it here.

...

Last reply: Tyler Thumma, Mar 4, 2021, 3:34 pm

ASHRAE 90.1 applicablity to semi-heated spaces

CS-v4 EAp2: Minimum Energy Performance
posted by Nancy Henderson on Feb 11, 2021, 8:02 pm

Hello,

We are working on a core and shell distribution center.  The warehouse space has gas unit heaters and the space is considered semi-heated.  There are separate exhuast fans for...

Last reply: Nancy Henderson, Feb 12, 2021, 1:25 pm

Ceiling suspended units

CS-v4 EAp2: Minimum Energy Performance
posted by Rathnashree Bharadwaj on Jan 20, 2021, 7:52 am

Hello,

We are working on a core and shell office building. The entire floor plate is divided into smaller office spaces and is served by ceiling suspended units connected to a central...

Last reply: Tyler Thumma, Feb 5, 2021, 1:07 pm

CHP (Cogeneration Heat Power) District Heating with a mix of solid waste and natural gas

CS-v4 EAp2: Minimum Energy Performance
posted by Jonathan Landry on Dec 10, 2020, 12:09 pm

We are working on a project which receives hot water for space heating and...

Last reply: Tyler Thumma, Feb 5, 2021, 12:10 pm