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Junior HVAC Design Engineer - Sustainability
PNC Architects
LEEDuser Basic Member
2 thumbs up
Fri May 16, 2025, 2:30 pm

Determining area of tree canopy shading for calculations

NC-v4 SSc5:Heat island reduction
posted by  Erica Downs  on 

When determining the "Area shaded by plant canopy", do you count the entire tree canopy area, or only the area of hardscape that overlaps with the 10-yr tree canopy? I've received conflicting

2
Managing Partner
Ecoimpact Consulting
LEEDuser Expert
171 thumbs up
Wed May 14, 2025, 2:58 pm

Purchased Chilled Water in System 3, Different cooling energy types

CS-v4 EAp2:Minimum energy performance
posted by  Martin K  on 

Hi all,

I need help with these three questions:

3
Tue May 13, 2025, 4:10 pm

Detaining the rainwater runoff -an accepted solution?

NC-v4 SSc4:Rainwater management
posted by  Florian Schmidtchen  on 

Dear all, In our project we are planning to follow option 1 path 2.

21
ESG consultant, LEED AP BD+C
Self Employed
LEEDuser Basic Member
36 thumbs up
Tue May 13, 2025, 3:54 pm
3
Mon May 12, 2025, 9:25 pm

Outdoor Air when Baseline has System 2

NC-v4 EAp2:Minimum energy performance
posted by  Greenlab   on 

I am following v4 and ASHRAE 90.1 - 2016.

I have an Hotel in Climate Zone 3A, therefore I am using System 2 (PTHP) for Baseline.

8
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Managing Partner
Engineering Solutions
LEEDuser Basic Member
0 thumbs up
Thu May 8, 2025, 3:44 pm

MERV 13 Filter for ERV

NC-v4 EQc1:Enhanced indoor air quality strategies
posted by  Anne L  on 

We have a multifamily residential project which will have a stand alone ERV per unit, does anybody know if we need to install MERV 13 filter on all the ERV's per unit to comply with the c

4
Architect - Cx Provider - Building Performance Specialist
GLHN Architects & Engineers
LEEDuser Premium Member
25 thumbs up
Wed May 7, 2025, 6:10 am

Reporting Renewable Energy Savings in Energy Model vs. Renewable Energy Section (LEED v4 energy update)

NC-v4 EAc5:Renewable energy production
posted by  Anurag Ghosh  on 

Hi all,

I’m working on a LEED v4 energy update project utilizing multiple renewable energy systems, such as:

  • Solar PV (electricity),

1
Tue May 6, 2025, 6:20 pm