Hi, The “ASHRAE 90.1.2007 with Addenda i” indicate that some lighting applications can be excluded : “Exceptions to 9.4.5:Lighting used for the following exterior applications is exempt when equip

It looks as though building facade lighting is a non-tradable surface, but our LED facade lighting is exceeding the LPD, are LEDs that are backlighting a building facade exempt from calculations?

We are working on a mixed use development where we have to achieve this credit for two buildings (with facade lighting) on a master site, but the buildings are only 16 m. apart from each other.

We are contemplating seeking this credit for a multiple building project. There are 4 buildings, they all belong to the same owner.

I'm working on a project that already submitted for Preliminary Design review.

Good morning, I have a project in area LZ3 which is a listed historic building. The designer wants to insert uplights for exteriors lighting of facades. For ASHRAE 90.1 p.

We have a project along a major city street. the city street lights are very bright.

Hi all, A question about industrial sites: According to ASHRAE 90.1- section 9.4.5 Exterior Building Lighting Power, lighting used for the following exterior applications is exempt when equipped

If you've got full cutoff fixtures you are usually set. However, if you have a situation like we had earlier, with some angled spotlights, you've got a problem.

We have a project located on a military base where we are lighting a parking lot classified in an LZ3 zone.