We have a project that is a major renovation of an existing building. We are planning on using the Existing envelope pathway - and thereby keeping the existing envelope in both the Proposed and...

According to ASHRAE 90.1 (section 6.4.3.3.4), all HVAC systems serving zones that are intended to operate or be occupied non simultaneously, shall be divided into isolation areas and equipped...

According to ASHRAE 90.1 (section 6.4.3.3.1), all HVAC systems shall be equipped with a control systems that turns the HVAC off on a time basis (timeclock control) or when the spaces are not in...

our project has a district heating with a flat rate of 0.012$/kw
and we calculated the virtual rate to be 0.08$/kw
can we use the virtual rate or do we have to use the rate provided...

We have a new plant using NGV as a fuel to fry potato chip in Thailand. The exact similar technology was used in another plant in China (same potato chip brand) which is already LEED gold...

We are working on a project with two main entrances. Both include vestibules. Within one of the entrance vestibules, the owner needs to include a couple work spaces: a security desk, a cashier´s...

Hi, I have a District energy system (chillers, boilers, cooling towers, pumps) serves 3 buildings but only 1 pursues LEED, so my project doesn't use total capacities of those equipments. My...

thumbs up May 10, 2011- 7:49 pm Dear Marcus, I read the discussion forum that you recommended, and still dont quite understand. The product we are using figures in the link below:...

A client wants to utilize our Zypho Drain Water Heat recovery system for a hospitality project. The client wants to confirm the availability of LEED credits. My understanding is that while the...

I recently noticed LEED Reference Guide for EAc1 Example Option 1 (p278) says we need to redistribute the window to wall ratio uniformally on each orientation of the building. However, before I...