Question: I am working on a new LEED-NC project in california that is using a modular/prefab construction type with mechanical systems that do not require permits via the T-24 code.

ASHRAE 90.1-2007 Sec G3.1.3.10 requests that users specify pump power of 22 W/gpm, with a primary / secondary pumping system and variable flow on the secondary side.

Consider a space, storage, with no heating, modelled with heating setpoint -50 degC, receives air from a central air handling unit VAV system, where the delivered air is pre-conditioned from Outdoo

My baseline is under system 6 in which the parallel PIU fans has to be introduced for each zones.

We have a hotel development project in China seeking for the LEED-NC v2009 certification. We are now facing a problem of setting the baseline case for the energy model.

In the section 8.4 Feeder conductors shall be sized for a maximum voltage drop of 2% at design loadand branch circuit condutors shall be sized for a maximum voltage drop of 3% at design load. I'm

At he moment, we are modeling a buried building with a green roof (as part of the energy efficiency strategy) according to the appendix G of the ASHRAE standard 90.1 (2007) The question regards the

I'm working on a big building, mostly office but not exclusively, in Stockholm, Sweden. I'm currently working on a restaurant on the ground floor with an entrance from outside.

Dear Forum, I have the following issue: For the Certification of a Restaurant, there is an inside area that corresponds to cold storage rooms.

Hi, I am working on a hangar project.