Dear all, The project we're working on will be cooled with centrifugal chillers.

Dear All, I'm trying to fill the EAc4 form, but I don't understand about HVAC&R at all. I'm not too sure what is N, Q and Rc column meaning.

Hi All, I just want to ask if the pre-charge or additional charge of the VRF system is included on the computation for Rc (Refrigerant Charge). Thanks!

If I only use HVAC units totally 0.5 lbs of refrigerant on the project, do I qualify for the 2 points in this credit? If I only use many HVAC units with 0.5 lbs of refrigerant per unit, do I still

Clean agent fire suppressant materials have no bearing on the Life Cycle Ozone Depletion calculation as they are not used as refrigerants.

Hello, I have two questions regarding a district cooling system to be used in one of our projects: 1- Can we use 0.51% value for Refrigerant leakage rate and 2% for end of life refrigerant if the

Which tonnage should be used when using refrigerant calculator while considering a chiller plant serving a static ice thermal storage system?

Hi all, The project we are working on will have old refrigeration equipments moved from other place.

Does anybody have an example of a long term service contract, or know specifically what needs to be included in the contract in order for it to be accepted by the GBCI reviewer?

If a university building is tied in to a campus chilled water distribution, does the campus chiller plant have to be included in the building's refrigerant use?