BuildingGreen Report

Forum topic

Hi all,

We have a newly constructed, core/shell project having some hot water issues in the core restrooms.

There is a 0.35 Toto lav installed throughout. The hot water heaters are adjacent on each floor, located in the janitor closets. We did the math, and there could be a gallon of water standing and cooling in the pipe between... Read more

Basic page

We have temporarily suspended the sale of the WELL Study Guide and Practice exams due to the WELL AP v1 exam being retired on September 19th, 2021. The WELL AP v2 exam is scheduled to be released, in beta form, by the International WELL Building Institute (IWBI) on September 20th.

The BuildingGreen/GreenStep exam prep materials are... Read more

Team Group

Forum topic

We have an MEP engineer that is calculating peak loads at about 6 times passive house levels on a large commercial building that is at or near passive house levels of insulation and air infiltration. We suspect one reason is that he is figuring a 50% efficiency level for the ERV. We are showing him ERV systems with 80-90% efficiency, but they... Read more