Hi, I have an open office, restaurant, apartment for rent in the mixed use building project. Im confused with lighting control mandatory section 9.4 ASHRAE.

I would like to know if electric motors that are going to be operated by a VFD (Variable Frequency Drive), need to comply with the eficiency requirements of the ASHRAE 90.1 table 10.8. Thanks

Hi, I'm doing a LEED CS 2009 PRE-certification. My question is: In the "Upload L-4" section, which states: Provide a detailed narrative describing the intended credit approach, including energy ef

Dear sir/madam, Per the Revised Section 1 4 Tables (Dec 2012), for Systems 9 and 10,the fan power=0.3*supply air flow rate(cfm).

This is with regard to an open air shopping plaza, which is registered as a group project with 7 structures. We received guidance to follow the “Treatment of District or Campus Thermal Energy in

I understand the selection of the base building systems (number of floors, sf, etc.) My question is, if the packaged RTU's are gas fired heat, but the fan powered VAV boxes (in the proposed design

Hi, We are working on a core and shell project. While filling minimum energy performance calculator table we met with some issues.

I am not clear about explanation from ASHRAE 90.1-2007 User’s Manual: 1. For laboratory spaces with a min.

Good afternoon, My company is developing a LEED Core and Shell evaluation of a warehouse that does not have any climatization systems (it is considered "Unconditioned" because it has a very low pe