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Air Economizer laboratory

NC-v4 EAp2: Minimum Energy Performance
posted by Abdulrahman Alshbeeb on Sep 15, 2023, 3:08 am

We have a laboratory with very high indoor air requirements. Due to the high demands on the quality of the room air, no air may be circulated....

Last reply: Tyler Thumma, Sep 29, 2023, 10:12 am

Humidity controls in baseline model

NC-v4 EAp2: Minimum Energy Performance
posted by Nicolas Martinez Ochoa on Jul 15, 2021, 4:43 pm

Hello everyone,

I am currently working on the energy model of an apartments building in Miami. The building has rooftop units to provide OA (which provides 30% more than the 62.1...

Last reply: Tyler Thumma, Sep 29, 2023, 9:50 am

LEED baseline model with proposed increased ventilation and pressurization

NC-v4.1 EAp2: Minimum Energy Performance
posted by Moses Chong on Sep 13, 2023, 6:03 pm

Has any one worked on LEED project that includes increased ventilation credit AND the project has an pressurization-based ventilation rate? What should I do with the baseline model? should I a)...

Last reply: Tyler Thumma, Sep 29, 2023, 9:38 am

Baseline Building HVAC systems

CI-v4 EAp2: Minimum Energy Performance
posted by Paula Hernandez on Sep 4, 2023, 1:08 pm

Hi,

We are modeling a portion of a building.

The building counts with two dedicated outdoor air systems that provdie outdoor air to the whole building.

We know the amount of...

Last reply: Tyler Thumma, Sep 29, 2023, 9:13 am

IARW/IACSC Energy Modeling Guideline for Cold Storage

CS-v4 EAp2: Minimum Energy Performance
posted by Eric Dyer on Apr 21, 2022, 9:09 pm

Hello
We are working on a project where room temperature warehouse and refrigeration warehouse are mixed.

According to LEED INTERPRETATION #10424, under the Exceptional Calculation...

Last reply: Tyler Thumma, Sep 29, 2023, 8:51 am

Natural Ventilation Modelling and Credit for savings

NC-v4.1 EAp2: Minimum Energy Performance
posted by Luis Andrade on Apr 11, 2023, 1:31 pm

Hi all,

I've been searching around the LEED V2009, V4 and V4.1 EAp2 / c2 versions trying to find an answer to this problem, but I've encountered little information on how to model natural...

Last reply: Tyler Thumma, Sep 29, 2023, 8:39 am

When Did the v4 Water Metering Credit Change?

NC-v4 WEc4: Water metering
posted by Kyle G. Pearson on Sep 22, 2023, 12:42 pm

On our last two projects we've gotten a comment indicating that we need to remove the usage of "electric water coolers, janitors sinks, swimming pool, laundry, commercial kitchen, salon sink...

Last reply: Glen Boldt, Sep 28, 2023, 12:28 pm

Systems Unable to Meet Required Outdoor Airflow Rates

EBOM-v4.1 EQp1: Minimum Indoor Air Quality
posted by Dang Thi on May 20, 2020, 12:23 am

I have a question,  compare to LEED v4...

Last reply: Gustavo De las Heras Izquierdo, Sep 28, 2023, 10:51 am

WAREHOUSES- IAQ PERFORMANCE CALCULATOR

Warehouses-NC-v4 EQp1: Minimum indoor air quality performance
posted by Antonio Cajas on Mar 11, 2022, 4:50 pm

Hello everyone,

I have a project for a manufacturing plant, which has some warehouse modules. These modules have a supply of fresh air through louvers and an extraction through fans. Also...

Last reply: Dave Hubka, Sep 28, 2023, 8:06 am

Cool wall requirements valid for colder climate zones?

Pilot-Credits SSpc154: Heat Island Mitigation with Cool Walls
posted by Brian Trimble on Sep 26, 2023, 10:48 pm

Some jurisdictions across the US are starting to address the heat island effect by instituting various requirements for cool roofs and pavements. It also appears that they are using this pilot...