Quote:
Originally Posted by MartinSE
That is what a recirculating hot water system solves. It keeps the water at the faucet or shower hot, if it cools down it recirculates it through the heater until the water is hot again. No water is wasted and it is always hot when you turn on the shower or faucet.
Any good plumber can install it as an after market upgrade. I expect it is less expensive to do it at build time, but either will work.
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I am not wittier about any wasted water at this time. We selected a new home that was built to avoid going through the build process so it wasn’t a possible add on for us.