I heard from someone in ASHRAE that the Standard 55 User's Manual is definitely in development and will be "coming soon". Hopefully it will be available later this year?

We installed low flow toilets throughout our newly constructed 1.3 million square foot building and now experience line clogging issues. We still believe the installation of the fixtures was the...

The water use of dual flow faucets that has two positions, would be a weighted average of both?
1º: 1,58 gpm
2º: 2,37 gpm
=1,97 gpm?

As a dual flush toilet water use is...

Hi all,

For some background on our project:

- we have on-site rainwater capture as well as connection to a municipal non-potable water supply
- the municipal water is used to...

I wanted to clarify something for everyone. This information is contained within the IEQ Space Matrix but I thought it was worth noting here as well:

For IEQc6.1 each space in a...

During a certification process I have found an electronic irrigation controller (model Hunter Pro-C) that is equipped also with a rain sensor (model Hunter Rain-Click).

I need to prove...

Hi all,

How would you set the water use for urinals that:

1. Have a 2 liter pre-wash that may be used or turned off
2. Have fuzzy control for the flush (2 to 4 liters)

...

We have a project with a central plant with chillers that has R-11 refrigerant. An economic analysis has been performed by a 3rd party that states it is not economically feasible to replace the...

Planning to use Carrier variable speed heat pumps split systems on a project and I am looking for data files to assist in this. The manufacturer rep is not aware of anything that can help....

My project is a surgical addition the occupants consisting of following:

...