Based on ASHRAE 90.1, the chilled water pumping power must be 22 W/gpm and does not mentioned the effect of pumping head.

We are working on a project which is mixed use facility (6 storey/G+5) . The first & 2nd floor is used for office & remaining for residential.

Markus, thanks a lot for your answer. Another issue appeared to this Heating only system - Baseline modeling of DHW (Domestic Hot Water). The Proposed model is having a gas fired boiler to provide

Shall the mandatory efficiency of section 6.4 (Tables 6.8.1) be verified also for a chiller that works as backup system (the chilled water is provided in normal conditions by district cooling)? Be

Hi all, We are undertaking the energy modeling of an office building and the Baseline is using a System 7, climatic zone is 4a.

Hello, I am working on a project outside US and I am wondering how to approach the mandatory provision below. 6.4.1.5.1 Mechanical Equipment.

Common sense tells me they are not interested in by the second peak energy demands for each end user...so to ask the stupid question: Which average value should I output here...hourly average annua

Dear all, We are trying to calculate the IT & electricial energy consumption of a data center, using the Minimum Energy Performance Data Center Calculator.

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

Hello Everyone, we are certifing a new construction building in Germany. We have a question regarding the use of ACP and EAP2.