I´m not sure if we have modeled the HVAC baseline system correctly. We are in a climate zone 2a (São Paulo - Brazil).

Guys, I have this problem, we have buildings that were recently retrofitted to T8 bulbs but also have several pin based CFL fixtures in our buildings, we are in our second performance period now an

Dear all, I'm modeling an all electric university building that is 32,000 sf/5 floors with chilled water from a central plant and hot water from an onsite electric boiler.

Greetings forum.

I am working on a project that is the habitat for a state listed species, and the project team has an elaborate mitigation plan to protect the species and nesting areas - post development there wi

Hi, we are working on a extensive renovation of a 80,000 SF university classroom/office building using LEED NC 2009.

When calculating for a low-flow fixture, it is required to enter a duration (which is default set to 30 seconds).

I know the 'Birds Eye' says that decorative fixtures are not required to be connected to the daylight controls, but I recently received a review comment stating that they must to meet this credit r

Getting rid of the 3rd option is such a huge mistake. I can't believe that the USGBC let the vocal minority win on this one...really disappointed.

Hi, ASHRAE 90.1, section 9 does not apply to lighting within dwelling unit as stated in 9.1.1 footnotes. Table 9.5.1 include LPD allowance for multifamily building.