"Public water systems regularly "reline" the interior of existing 50 year old water mains with an epoxy that is sprayed. This is usually done by a contractor that specializes in that work. It must be safe enough for public water systems !"
"I'm in the Boston area and out cost last Jan.2015 thru June 2015 was $.21/kWh for ALL usage. 65% was the supply portion and 35% was the distribution portion to the local utility. I did come " all the way down" to $.18/kWh this summer,…"
"I agree that Current Cost has no USA support that I can get either. I believe it is being sold in USA by an authorized distributor that is a 1 man shop.
I have used a revenue grade power monitor from Continental Control Systems…"
"I think the work you did was very reasonable in cost and scope, BUT I would stress that the work done for repair or comfort were not energy efficiency related. This was more than half of the costs, replacement water heater, kitchen faucet,…"
"Leonard's study is a good read for anyone that is considering geothermal(btw, I had to sign into my Google Docs to open it).
I did a similar study for a client here in the Northeast that showed similar results with geothermal higher install and…"
"I have the same problem in a 1960 era house with 2 pocket doors that are still useable and appropriate. For a winter season fix, I use clear packing tape over the voids next to the open door. It is mostly invisible and stops all air flow, but really…"
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