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Prerequisite questions for Minimum Energy Performance v4.1

NC-v4.1 EAp2: Minimum Energy Performance
posted by Isabel Santos on May 10, 2022, 11:24 am

For the prerequisite, can we obtain it, if we only achieve improvements on one of our indicators (Cost or...

Last reply: Isabel Santos, May 11, 2022, 4:27 am

ASHRAE Standard 90.1- 2016 in LEED v4

NC-v4 EAp2: Minimum Energy Performance
posted by Isabel Santos on Mar 28, 2022, 12:55 pm

Dear all,

While following LEED v4 EA Minimum Energy Performance, can we use ASHRAE Standard 90.1 - 2016, as it's more stringent than the 2010 version, instead of ASHRAE Standard 90.1 -...

Last reply: Jamy Bacchus, Mar 28, 2022, 2:36 pm

EN 16798-1:2019

NC-v4 EQc5: Thermal comfort
posted by Isabel Santos on Mar 23, 2022, 11:30 am

This EN is the most updated version of EN 15251:2007, which also incorporates the EN ISO 7730. Can the thermal comfort analysis be done following this EN from 2019?

Airport projects- LEED NC-v4: LT c6 BICYCLE FACILITIES

NC-v4 LTc6: Bicycle facilities
posted by Ricardo Sá on Nov 13, 2018, 11:53 am

Dear All,

we are working in a project of a new airport pursuing LEED certification.

Regarding LT Bicycle facilities:

  1. peak transients are mainly passengers that are not...

Last reply: Gustavo De las Heras Izquierdo, Mar 9, 2022, 2:48 pm

Hotel rooms requirements

Hospitality-NC-v4.1 EQc9: Acoustic performance
posted by Fábia Leal on Oct 21, 2021, 11:41 am


In the new LEED v4.1 i noticed that in the acoustic performance credit all reference to residential projects has been removed.

In LEED v4, for hotel rooms the sound isolation...

Last reply: Adam Paul, Oct 22, 2021, 10:04 am

System 1/2- Ventilation Fans / Heat Recovery

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Nov 28, 2017, 4:46 am


we are modeling the HVAC system for the baseline building of a residential building. Since heating type in the proposed design will be electric, system 2 applies (1 PTHP shall...

Last reply: Eduardo Vidal Kume, Oct 12, 2021, 10:15 am

Outdoor Air when Baseline has System 2

NC-v4 EAp2: Minimum Energy Performance
posted by Isabel Santos on Jun 2, 2021, 1:01 pm

I am following v4 and ASHRAE 90.1 - 2016.

I have an Hotel in...

Last reply: Isabel Santos, Jun 15, 2021, 1:30 pm

FAR in Protect or Restore Habitat

CS-v4 SSc2: Site development - protect or restore habitat
posted by Ricardo Sá on Jan 31, 2018, 11:46 am

Dear All,

According to LEED Reference Guide, credit Site Development – Protect or Restore Habitat:

  • REQUIREMENTS (pg 163): “projects that achieve a...

Last reply: emily reese moody, May 25, 2021, 11:43 am

Historic Buildings outside US + Requirements for Historic Buildings

NC-v4.1 EAp2: Minimum Energy Performance
posted by Isabel Santos on May 13, 2021, 8:07 am

According to, existing buildings must comply with Sections 5, 6, 7, 8, 9 and 10, or 11 or Appendix G. Although, based on exception, historic buildings do not require to comply...

Last reply: Marcus Sheffer, May 14, 2021, 2:40 pm

Core & Shell” version of the “LEED BD+C: Warehouses and Distribution Centers

LEED Rating System Selection
posted by Ricardo Sá on Mar 27, 2019, 1:20 pm


Last reply: Michelle Rosenberger, Apr 9, 2021, 2:29 pm