We have a project that specified exterior lgithing for 1120 W. Based on IECC, we could claim...

Dear All,
We are modelling a Baseline Building with System 8 “VAV + PFP boxes” using HAP by Carrier.
We are wondering how to model the...

Dear All
We have two projects that are attempting LEED 2009 NC Certification the first one is office building with server room and the second one is Arg Gallery. Both projects use precision...

If a new building will be served by an existing chiller plant that already serves an existing building, does the Plant design for the Proposed Alternative need to model the full chiller size,...

We have project using district steam. We use...

If we convert district steam to hot water for space heating, is there any guideline on the efficiency (of heat exchanger) for baseline model? Or do we assume the efficiency is 100% for both...

Based upon G3.1.10 (d) “Where no cooling system exists or no cooling system has been specified, the cooling system shall be identical to the system modeled in the baseline building”

Does...

Will LEED round up the saving percentage to the nearest integer? e.g. 19.8% to 20%? Thanks in advance

I saw some people say task light is process load but sometimes it can be count into lighting power. I wonder is there a good way to treat task light? For my project specifically, the task light...

90.1 AppG G3.1.2.8 says the return/relief fan should be sized for max (SA-OA, 90%*SA) [cfm]. But in table 1.4. the allowable fan power is only based on the supply fan power. If I calculate the...