When you can and when you cannot count one material as contributing to more than one credit in the Materials and Resources category of LEED has confused me for years. Even the LEED Reference Guide doesn't lay it out clearly. So, after sorting it out for LEEDuser, I thought laying it out in a table might help.
Multiple MR Points for the Same Material: When is it allowed? MRc1 MRc2* MRc3 MRc4 MRc5 MRc6 MRc7 MRc1:Building Reuse
There's a revolution underway with electric water heating. It could be just as significant as the shift from top-loaders to horizontal-axis front-loaders that we've seen in the laundry appliance industry.
Mechanical systems need to be tuned up periodically to keep them operating smoothly and efficiently. That's true with our cars, and it's true with our heating systems. If you haven't done so already, now is the time to get your heating system inspected, cleaned, and tuned.