Quote:
Originally Posted by slapass
I didn't think about ground water. I have one in my place in Brazil and I think it is the bomb.
Great for one shower after another.
Sucks for 2 showers at the same time.
In brazil they store the water on the roof and drop it into the house so the water is pre warmed. Thus I noticed I saved a ton of $$$ versus the tank one I had. Not so sure what happens if the water is at 55 degrees. You might need a bigger unit.
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There is a good guide here, we are one province over from him but it shows the flow rate difference from summer to winter. The flow rate drops by half.
Ground Water Temperature and Tankless Flow Rates In Ontario