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Re:Re-using the heat in bathwater in Britain by Retric on Sunday October 30, 2022 @11:14PM (#33401667)
I agree water temperature at the tap can vary quite a bit. My parents place has the water go through an unheated crawl space and they would regularly keep the tap on to avoid the pipes freezing when temperatures got unusually cold. Further many municipalities extract water from rivers which experience significant seasonal variation etc.

My comment was simply in reference to well water which has very consistent temperature and will warm or cool the soil surrounding pipes at any reasonable depth if you are using water regularly.

Re:Re-using the heat in bathwater in Britain by robertlagrant on Monday October 31, 2022 @03:48AM (#33403046)
The original point was that a shower would have to use more energy to heat shower water in winter. Not sure now how any of your comments relate to that - do you agree with it?
Re:Re-using the heat in bathwater in Britain by Retric on Monday October 31, 2022 @07:06AM (#33404197)
The relationship is many people don’t experience that. Aka it’s a you might experience X not a you will experience X.

A poster mentioned failing to get a cold shower in Singapore, but Singapores ground temperatures are much higher than we are used so well water is going to be ~25C year round and tap water can be significantly warmer than that.

Re:Re-using the heat in bathwater in Britain by SECProto on Monday October 31, 2022 @02:53PM (#33410808)
People don't experience it because the water heater output is a consistent temperature. There's nothing to experience with increased consumption of electric/gas/heating oil, especially when those concurrently increase for home heating
Re:Re-using the heat in bathwater in Britain by Retric on Monday October 31, 2022 @07:10PM (#33414646)
That assumes the water going into the water heater changes temperatures which as I just said isn’t always the case. Some people take “cold” showers year round and the tap is very consistent.

Trivially people in the tropics don’t have a winter, but well water can similarly have very consistent temperatures independent of seasons.