When modeling district cooling and heating systems using Option 1, Path 1: ASHRAE 90.1-2010 Appendix G, the LEED Reference Guide instructs the following:
"If tariffs or rates are not...

We are having a tough time getting the costs from our subs. The subs says that the cost is bundled with other material and they can't break it up. Some are having to go there superiors to get it...

Sustainable Design Consulting, LLC (SDC) has immediate need for a high-performing, team-oriented Project Manager in our Washington, DC office to join our award-winning sustainability consulting...

The product that our sub uses is "Diatrex Transparent Knife Grade" & Axson Cream Hardener"  for stone countertop seams and it does not meet the limits. Any suggestions of products or how to...

Can anyone comment on the source of the #1.c requirement for five air changes per hour? We've reviewed HVAC-related infection control guidance from the CDC, EPA and ASHRAE, but none appear to...

Is it possible to utilize heating systems during new construction in order to dry out some moisture damage from rain prior to construction completion? Filters would be used to maintain indoor air...

What is the best way to air sample in the most efficient and cost effective way for a residential high rise for recertification? Our team has been able to identify each of the heating and cooling...

Dear all,

One of our projects is a car dealership that is planning to re-utilize all waste oil generated onsite as space heating. Can this system be applied as...

All the guidance I can find says to "provide documentation of project-specific rates" or the facility's annual average rate.  I cannot find info on what kind of documenation would be required for...

Hi, working on a new school k-12 project with a chemistry lab. Does the 40...