Hello, I am working on a project where there will be a permanent irrigation system.

Can I do prescriptive method of calculation for an open floor plan if the N+W glazing walls of the building have a Tvis of 38% and the South + East glazing walls have a Tvis of 56%?

Our project, an industrial manufacturing facility, is expecting future expansion, and it has been noted on our permit/construction drawings.

Dear All We are the construction materials manufacturers.

Hello, Can someone let me know if ASHRAE 90.1 2010 is acceptable to use in relation to lighting or is 90.1 - 2007 still required to be used?

Hi, I am wondering what Baseline System Type should be used for hotels?

Our current project will have a rainwater containment system that will be connected to our domestic water supply to provide water for toilet flushing and irrigation.

I am working on a project that is pursuing both Monitoring-based Commissioning and Building Envelope Commissioning.

I've recieved comments on a past project that said all square footages must be consistent throughout the project - so the SF documented in MPR 2 must be the same as EAp2 and WEp1. I'm working on a

To calculate the virtual rate, DES v2 option 1 2.4.2.1 gives the equation of $/MBTU of hot water = 1.59*$/MBTU fuel + 3 * $/kWh electricity. This would gives me a really big number.