Hello everybody,

Regarding the Baseline Service Water-Heating System, both Table G3.1.1-2 in Standard 90.1 - 2016, as well as the statements in Table 3 "Changes in ASHRAE 90.1 Performance...

Hi, 

I am working on a College Building where Cooling and Heating is done by Hot water and chilled water supplied to the building, Based on the user guide what I see is I need to model a...

Hi , I m looking for a  clarification on alternative compliance path for complying the prerequisite Environmental Tobacco Smoke Control under LEED v4 O M rating system. The project is a high rise...

Hi I am working on a LEED ID+C project for a building that was built in 1970s with 60% WWR, now the struggle here is the Existing system is Dual Duct...

What is the best way to resolve errors with the v4.1 MEPC? The "Quality Assurance Checks" tab is reporting values which are inconsistent with the "Performance Outputs" tab due to which other...

Dear all, 

I understand that “Optimize energy performance” in LEED v4 updated in 2024 is awarded as the sum points for energy use or energy cost emissions and greenhouse gas emissions....

After documenting this credit, we discovered that i-Tree offers additional support, calculators and design tools on thier website which are bypassed if you use the web address listed in the pilot...

Hi all, hoping you can provide some insight into this scenario.

We are redeveloping a heavy industry site in an urban setting into a logistics warehouse building. Our...

Hi all,
I hope this is the correct forum for my question (Tristan, please redirect me, if not).
We have instances where changes are made that would impact an already "approved" credit...

I'm working on a complex mixed-use Campus project, where we'd like to pursue this credit for 1 of the separate buildings.

Only one of the buildings on the master site will have a cistern...