Hi

In a preliminary design review for our project, the reviewer has asked us to provide supplementary calculations to show the credit compliane. We are currently using the version4 of the...

In the form it was mentioned "Provide supporting documentation for non-default Life value(s) in Table. Refrigerant Impact Calculation such as a manufacturers' life guarantee and equivalent long...

Regarding EAc4 equipment life, the reference guide tries to summarize the equipment life by system from the ASHRAE Applications Handbook 2007, but does not accurately represent heat pumps. Here's...

We have a project where a Walk-in refrigerator and freezer are planned. These rooms will be equiped with dedicated split-system charged with R404.

It seems that the Rc will be above the...

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. Please correct me if I'm wrong.
N =...

The link for explaning Greenhouse Effect explained and illustrated under publications is not working.

Dave

Should we include the manufacturers default information on refrigerant or should we use the actual refrigeration charged installed even though these are not installed and confirmed after...

I have a split units that their Rc is above 5 mentioned in the Reference Guide, but fortunately my average refrigerant atmospheric impact is lower than 100 (according to use efficient centrifugal...

Little question :

What does the acronym of ARI mean in the credit guidance?

I have about sixty-five split systems in two apartment buildings using R-410a. The factor that is keeping me from meeting this credit's requirements seems to be Rc (lb/ton). Since these are...