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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

Design charrette workshop

Homes-v4 IPc1: Integrative process
posted by Adriana Salles on Apr 1, 2021, 5:49 am


In option 2, Design Charrette, the requirement is to conduct at least one full day workshop (or two half days) but does not specified how many hours? Could be 3 half days workshop (...

Last reply: Adriana Salles, Apr 7, 2021, 5:05 am

Elevators in the Proposed

NC-v4.1 EAp2: Minimum Energy Performance
posted by Isabel Santos on Feb 26, 2021, 2:59 pm

I am currently computing the elevators' energy consumption in the baseline according to Table G3.1, section 16. After assessing the total peak elevator motor power per car, as Design Builder (...

Last reply: Marcus Sheffer, Mar 3, 2021, 10:55 am

bicycle storage (racks) are located inside enclosed carparks- distances from bicycle network and main entrance

NC-v4 LTc6: Bicycle facilities
posted by Ricardo Sá on Oct 10, 2018, 12:33 pm

Dear All,

We would like to clarify some questions regarding credit for Bicycle Facilities.

If bicycle storage (racks) are located inside enclosed carparks:


Last reply: Zeynep Cakir, Jan 15, 2021, 7:12 am

Refrigerated areas

NC-v4 EQc5: Thermal comfort
posted by Ricardo Sá on Apr 16, 2019, 4:45 am

Dear All,

we are evaluating the possibility of certifying a distribution center, where 85% of the area is refrigerated for product conservation (between 0 º C and 4 ºC).

In what...

Last reply: MARIDEL TAYLAN, Sep 27, 2020, 4:26 pm

Private shuttle

NC-v4 LTc5: Access to quality transit
posted by Dora Rebola on Sep 2, 2020, 1:01 pm

We have an office building and retail that is located in an area that provides a good public transport services during the week, but not on the weekends. We will propose to the client that a...

Last reply: Bipin Karki, Sep 10, 2020, 8:21 am