Here in NC, I had to replace my standard hot water heater at a cost of 900 dollars because of the way it had to be vented, then the new one died within 5 years so they replaced it since it was still in the warranty but still charged for labor. Then, 4 years later the replacement went. Of course, this was not covered under warranty. At that point, I went with the tankless Rinnai. I have had it now for about 4 years with no problems. It works great and has a 30 year warranty. As far as savings are concerned, I am not really sure but I think it is saving me about 10-20 per month. It cost about 2800 completely installed. The warranty alone is worth it to me. There must be something in the water here that destroys regular hot water heaters.
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