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Hello,

I realize that there is a calculation methodology outlined in the LEED Guidance in order to determine whether or not refrigerants comply.

However, this methodology assumes...

Is this possible, to use R417 A in replacement for the R22?
Does it comply with EAC4? I don't see it as a possible refrigerant in the list provided by LEED.
Thanks

I'm confused about the Refrigerant Charge as a requirement for this credit. The language of the LEED 2009 manual in the "Select Equipment with Efficient Refrigerant Charge" paragraph under...

I still don't understand how I am supposed to find out or calcuate int Rc? Is this a number you get from the manufacturer? Which in my case is Panasonic and I doubt I will be able to get a hold...

Clean agent fire suppressant materials have no bearing on the Life Cycle Ozone Depletion calculation as they are not used as refrigerants. However, there is a statement in the Enhanced...

Here's a stumper for y'all.

A "heat pipe" uses refrigerant migration (without compressors) between two coils for heat recovery. If I am using a heat pipe system, do I include that...

Does the SF6 (Sulphur Hexafluoride) insulating gas used to quench the arc in electrical power equipment (MV switchgears) need to be taken into consideration under the EAc4? The credit language...

Hi,
Where should I get the "gross ARI rated cooling capacity" for air to water heat pumps ? This is not covered by ARI 550/590 which usually applies to chillers. On the technical data...

Scenario: Campus new construction projects which are connecting to an existing central plant for heating and cooling. The reference guide and...

Is the tonnage requirement for the credit supposed to include compressor capacity only or can additional capacity from energy recovery devices be included in the tonnage?