We have a project that is one large structure comprised of a rail station that acts as a platform on top of which two towers sit.

Dear all, I've got the following reply during my preliminary design submittal stage: "Note that section G3.1.2.1 requires that where efficiency ratings, such as EER and COP, include fa

The proposed design is an Underfloor Air Distribution (UFAD) system utilizing an underfloor supply plenum and overhead return plenum. I am setting up the baseline model for LEED submission.

Hello everyone, I know this topic has been addressed in several threads below, but I just want to try to have a better understanding of the subject. A conditioned space would be a space with a cool

We have a project that uses on site boiler for space heating and district steam for humidification.

We are developing a building energy modeling of a residential building based on 90.1-2007. The dwelling units have exterior areas (balconies) that have luminaires. These luminaires have to be mod

Hi, we have a large, naturally ventilated atrium in the middle of our building. All entrances to the building are via this enclosed atrium.

Is this correct: If students bring their own task lights (and we don't know what they'd bring) we do not include them in our lighting power density calculation? We have fixed overhead lighting.

Let's Say this building is 26,000 sf which the baseline is system 5-6. What if the exception area is 10,000 sf (process load difference >10 Btu/h ft).

We have a college building with around 50% of its floor area being a gym, which is sized to its maximum capacity during graduation.