"Hello: Looking for solid numbers,you might want to search "Martin Holladay solar thermal dead". He's written two articles on this. The first one is "Solar Thermal is Dead" and the second one is "Solar…"
"Hello: When no hot water has been used for a while, feel both hot and cold lines on top of the heater. If they are both essentially the same temperature, you know there is no water flow (leak). If that's so, it's likely…"
"Bruce, congratulations! The 1000 Home Challenge is not designed to be easy to meet. You're setting a nice example of how to do it with buy in from your family! Please do keep us up to date on how your water heater behaves over…"
Linda Wigington distinguished between deep retrofits & deep energy reductions, thus expanding the range of strategies & tactics from which we might propose when engaging with people, the ones who choose.See More
"Hello: I'd start with the simple approach of asking the neighbor to refrain from dampering down the fire so it can burn hotter and cleaner. If they refuse to change habits, I'd ask the local jurisdiction (city or county) if…"
"Hello: If it's an FVIR heater, there can be restriction in the air intake caused by nearly invisible dust. Washing off (or blowing off, or vacuuming) the intake screen and flame arrestor might not be a bad thing to do. …"