I am wondering what the correct assumption should be an...

My project uses ground-source heat pump and also VRV system. However, there is no minimum efficiency requirement in ASHRAE 90.1 for them. How should I fill the ASHRAE compliance form. May I leave...

We have a 2-story bldg. over 25,000 sq.ft. that has offices and anicllary spaces; one adjacent 2-story high theater; and one adjacent 2-story high Gym.

We are modeling it as one HVAC...

How to earn Water Use Reduction Points, when the local code requires e.g. minimum flow for Commercial lavatory faucets=1.6 gpm and over the baseline for other fixtures, too.

It may help others to know that since this question was posted...

How about a single point for LEED AP legacy and an additional point for specialties?
While I do not necessarily disagree with the logic behind the drive toward raising the bar and...

I recently had this credit denied by...

Can we take credit for PVs? If so, how do you include the savings? If we include the PVs in our energy model, the savings is deducted from the total building end use. The LEED template table...

My client is hiring only a small portion of the existing building, which is not LEED certified, and we are using the common central chiller of that building, but we have our own...

Our contractor is telling us we can not meet 62.1-2007 because we do not have the chiller capacity, but we can meet the 10 cfm/person requirement of case 2. If we go this route, does this...