If a project is being demolished but the slab and some columns are being kept, would that be considered a major renovation since we are not given the option of redesigning the orientation of the bu

G3.1.1, Exception "d" requires laboratory spaces with a minimum of 5000 cfm of exhaust to use a baseline system type 5 or 7 that reduce the exhaust and makeup air volume to 50% of design values dur

G3.1.2.5 states: Ventilation.

Our Proposed project (LEED 2009 NC) has a hybrid service hot water system that uses a water-source heat pump as the primary hot water generator and has a heat exchanger as a backup downstream of t

Hello, The model I'm working on has instant electric water heaters, per 90.1 7.4.2 Equipment Efficiency, "Equipment not listed in Table 7.8 has no minimum performance requirements." Electr

The brewery I am modeling has large percentage of energy consumption associated with the process load.

My proposed design has multiple AHUs supplied from a dedicated outside air AHU (DOAS) . The DOAS will be over 20,000 cfm and will have energy recovery.

Hi there, Im modelling a corner building, which has two adjacent buildings so only the façades facing the street are in contact with the exterior environment.

Hi All, I am modelling a VRF system using ApacheHVAC in IES. But have no idea which prototype to choose.

I am working on an existing building renovation where there is a significant amount of building floor area that is crawlspace and attic area.