In our project a absorption chiller will be used to cover part of the cooling load. The chiller will run on lithium bromide / water solution. In this case, water is the refrigerant.
Water is a natural refrigerant with GWP, but my feeling says in the LEED Online form GWP and ODP should be set to 0. As far as I know the water content in the atmosphere depends on temperature mainly and not on water vapour released by humans.
Any hints or comments?
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Nadav Malin
CEOBuildingGreen, Inc.
LEEDuser Expert
844 thumbs up
February 19, 2012 - 8:52 am
Hi Jens,Wow--it wouldn't have occurred to me that water would have to be listed as a refrigerant with its own GWP. I think that you're safe just omitting that--it's generally assumed that absorption chillers don't use climate-changing refrigerants. I haven't encountered this question before, though--anyone else have experience with this?