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I was worried based about TED, based upon many reviews across the internet which did not speak favoribly of it, mostly based upon problems with getting the powerline communications to work due to interference. Despite that, looking at all the alternatives, it really seemed that TED was the only energy monitoring system that was accurate enough and consistant in it readings that was a reasonable price. I considered Brultech, which allows monitoring of all the circuits, but it seemed more like a do-it-yourself project, where TED was ready to go out of th ebox.

I had no problems with installation. First place I hooked it up worked without a hitch. 5 minutes to install, and it has been humming along with no real glitches for 3 weeks. Good thing, since the price of oil this winter means I am relying more on zone heating with space heaters, and I wanted to track how much my electricity bill would change with adding heaters.