Hi, 

I would like to know if the new version of HAP, HAP v6, is approved by the USGBC to meet this  Prerequisite and Credit,

Thank you,

we have a dormitory building with mechanical ventilation (treated with cooling to reach 20 C and a CAV reheat terminal ) only associated with ceiling fans, shall we model the baseline with no...

Hi everyone, 

I'm wondering what is the most common software for energy modelling ASHRAE 90.1

Can you share your experiences with different tools? I'd like to know about ease of use...

The LEED v3 reference book already refers to ASHRAE 90.1 "with errata but without addenda."  The v4 book only says "with errata."  Does that imply that all addenda to ASHRAE 90.1 must be followed...

My proposed design for lab utilizes a heat recovery chiller connected to geo-exchange. There is a 40 ton process chilled water load on the heat recovery chiller. The baseline system for this...

I am working on a LEED project with revolving doors. The targetted U value for glaze is 1.9 W/Sqft.K (including frames),...

Hi all experts,

I'm working on 4 cold storage warehouses which all the cooling source form one refrigerating planttoom, i guess i should consider it as the "district cold storage" ,...

I have some questions regarding greenhouse gas (...

Hi all,

We are working on an existing small project (35,000 SF approx) that is going through a major renovation, where most of its systems are being updated, including new AHUs, however,...

Hi , I am working on a lab space with 100% OA , for these spaces Cooling load is driving airflow, now the OA that we calculated for Proposed case is not sufficient to maintain the setpoint in the...