Hello,

I have the following doubt: Suppose that a building has an HVAC system designed for all office and working areas, but for the restrooms and locker rooms, which are occupied every...

Does anyone know how the baseline Lighting Power Density should be set up if the space type is not listed on Table 9.6.1 of ASHRAE 90.1 using Space-by-space method?

For example,...

Two project engineers have completed the sign-off task, but a 3rd has been unable to use LEED ON-LINE despite my efforts to provide remote assistance. An earlier thread states "If the project...

Has anybody used the ASHRAE 9.6.2 Additional Interior Lighting Power allowance for cove lighting. We have a hotel project where in the common areas we have down lights and cove lighting, both...

A couple of quick reference questions:

1) I have some miscellaneous areas in my project (stairwells, electrical rooms, elevator equipment room) being served by split system AC units and 4-...

I was wondering whether anyone has come across the motor efficiency issue for projects outside the US. We have a project in EU and the motor efficiencies are different to the ones shown on 90.1...

In our building, fossil fuel is 30 time less expensive than electricity. And as we use fossil fuel and electricity for heating (mainly fossil fuel but we need a little bit of electricity), in the...

We have a 5 story non-residential building (located on a campus), with a mechanical penthouse (with roof) above. We are trying to determine if this would be a 6 story building versus a 5 story...

I am working in a project that has no heating or cooling system, therefore I used the same HVAC system as in the proposed model (system #4: PSZ-HP). The reviewers found that the humidity levels...

Hi, We have a new 400m2 dining hall project in Climate zone 1, and would like to seek advice on the compliance for having to meet the maximum 40% for vertical fenestration area as well as not...