Interesting article on tankless water heaters
Tankless Water Heaters Have a Long Payback Period | GreenBuildingAdvisor.com
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Lots of data there. |
Nice post S-F.
I found out quite similar things when I went to install my natural gas tankless unit. The install costs are quite high due to the double wall vent pipe and possible blower fans that may be needed. I am a bit curious about new construction though. That would tend to favor the tankless units as long as it wasn't an afterthought. There is also the off grid folks who will pay more for more efficient appliances so they don't have to refill the propane tank quite as often. Also, on the electric side of things, electric on demand heaters are actually cheaper than their tank counterparts. If you have to stick with electric it doesn't make much sense to go with a tank IMO. The only thing you have to watch out for here is that the electrical service you have coming to the house can handle the large electric load from the heater. Even my relatively small unit pulls up to 40A. So, while its not worth it monitarily for most, I think they still have a niche to sell to. |
"in-line" vs "tankless" water heaters
The Japanese in-line water heaters seem more efficient, but I am not familiar with them. Here is an article from ecorenovator.org
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