I have York Chillers which are used very rarely and only under extreme hot weather conditions, requiring additional cooling.

Unfortunately these Chillers still use R-11 CFC Refrigerant....

Hi,

we are MEP contractors in Abu Dhabi, working on LEED project.
In specifications all AHUs are given 2 sets of disposable filters, prefilter (panel) & main (bag) filter. We are...

The 30% increase in ventilation above ASHRAE 62.1-2007 is a good idea in dry climates. Our issuse is that we have several projects that are seeking LEED Silver with client (GSA) demanding the...

I am having difficulty getting extraction locations for materials used in roofing assemblys. Most suppliers submit this information as being unavailable due to various locations or unknown...

Are you able to clarify the meaning of Option 2 and its relation to the footnotes in the credit guide?

- Option 2 prescribes compliance with the "requirements of the California...

Could you achieve multiple Exemplary Performance Points by exceeding a credit by multiple thresholds? Or can you achieve only one EP point per existing credit?

Example: LEED...

The LEED Online credit form says to "provide the plumbing fixture and fitting schedule for the project highlighting flush and flow rates for all applicable plumbing fixtures and fittings". What...

I'd like to hear other people's opinions on this direction included above:
"Commercial Interiors projects must include in the water-use calculations any water fixtures that are being used...

There are many artificial turf manufacturers that claim their artificial turf satisfy multiple LEED credits. Can artificial turf be considered “open-grid pavement system” under credit SS 7.1:...

Hi, I was wondering if you need water bills to generate a Energy Star Rating. The Reference guide says "The energy data must include data from electricity, natural gas, fuel oil, diesel fuel,...