ASHRAE puts a requirement to keep in electrical services on the feeders max 2% voltage drop and on the branch circuits max 3%.

Hello all, two little questions about fan's power: - Which is exactly the difference between demand fan power, peak fan power and fan power allowance? - How do i have to relate baseline and propose

Is it possible to model the building on Energy Plus and the underground parking lot calculation do it by extraordinary calculations? Also if it is a mixed use building, is it possible to model the

In 7.4.4.2 Temperature maintenance controls recirculating hot-water systems shall be equipped with automtatic time switches or other controls that can be set to switch off the usage temperature mai

Does LEED allow the modeler to claim savings for increased insulation on either the ductwork, piping, or equipment itself?

It is not clear to me how to model the "minimum outdoor air ventilation rates".

I've done a number of Core and Shell models before, and always use the ACP calculator.

We have an apartment building project. In 1 dwelling unit has 1 bedroom 1 living unit and restroom. Do I need to separate between bedroom and living quarter ?

I'm working on a project pursuing LEED Core&Shell Certification and I'm not sure about the following matter: What is the correct approach when simulating fan power in the proposed case for ten

Do tenant spaces need to be included in the areas controlled by the automatic shutoff as mentiaoned in section 9.4.1.1 (ASHRAE 90.1)?