It seems to me that an unintended consequence of selecting a high efficiency water cooled centrifugal chiller ( both R-123 and R-134a) is the greater difficulty keeping impact per ton below 100...

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...

I have read quite a bit about the Performance Period and I want to be sure I am understanding things correctly. Basically, if the project meets the Energy Star minimum of 69 today (I haven't...

How do one determine minimum outdoor air intake flow of a...

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, does anyone know where I can find the ‘’Certificate of Field Verification and Diagnostic Testing’’ that needs to be filled out for each blower door test that is performed, as indicated in ‘’...

Dear all,

one of our major clients set an interesting question concerning electronic cigarettes. In the building - we already certified - smoking is not allowed, but could be electronic...

I have a LEED for Schools project where we have site contamination from an old gas station leaky storage tank. We have the ESA II report and are applying to the state for assistance in a program...

I have documentation from the project's concrete supplier that includes integral color together with cementitious materials. In this case, integral color contributes significantly towards both...

My understanding was that the only way to achieve this credit was to develop a Comprehensive Transportation Management Plan; however, the form also shows the following option:
“Double...