General > General Technical Chat
WHO USED ALL THE HOT WATER!!! Need a simple temperature data logger ** UPDATE **
Brumby:
--- Quote from: Someone on August 20, 2023, 11:49:54 pm ---... ... ... The "proper" industrial solutions work offline and are easy to deploy (would suggest putting the thermal sensor at the grey water exit, as temperature rise will then be a proxy/estimate of the flow rate at the time) but are $300/400/500 units.
--- End quote ---
1. Grey water exit very difficult to access.
2. Completely unaffordable in this situation
--- Quote ---Solution is to have the people in question work with each other.
--- End quote ---
That doesn't work when you have selfish people that feel entitled that lie and can't be challenged as nobody has stood at the bathroom door with a stopwatch. I am trying to enable the introduction of some hard evidence in the conversation to change that. Simple time of day and duration could be all that is needed.
Brumby:
To set one fundamental detail: The hot water system capacity IS adequate for the number of people in the household, so long as people make reasonable use of it in their ablutions.
The problem is the same as having bought a cheesecake and cutting it up into 8 pieces so that each person gets 2 pieces - but someone sneaks into the fridge and helps themselves to a couple of extra pieces. Buying a bigger cheesecake is not the answer.
Someone:
--- Quote from: Brumby on August 21, 2023, 01:12:43 am ---
--- Quote from: Someone on August 20, 2023, 11:49:54 pm ---Solution is to have the people in question work with each other.
--- End quote ---
That doesn't work when you have selfish people that feel entitled that lie and can't be challenged as nobody has stood at the bathroom door with a stopwatch. I am trying to enable the introduction of some hard evidence in the conversation to change that. Simple time of day and duration could be all that is needed.
--- End quote ---
Standing someone at the door with a stopwatch is the real solution, and what solves it 99% of the time. Asking the internet to optimise a low cost tech solution match to the extremely specific requirements (fed slowly) is pretty rude when the time spent doing that for all involved is going to far outweigh the "savings" for the household. That the ""household" won't see any of those costs is part of the problem, they need to work this out and see the real costs of doing so (be that only showering when someone else is present to confirm the duration).
Someone:
--- Quote from: Brumby on August 21, 2023, 01:17:44 am ---To set one fundamental detail: The hot water system capacity IS adequate for the number of people in the household, so long as people make reasonable use of it in their ablutions.
--- End quote ---
According to your arbitrary belief of "adequate", as clearly multiple residents believes it is not adequate:
a) someone else used too much and there is not enough left for my short shower
b) other people are complaining there is no hot water left, but I'm not shortening my shower
A very simple mismatch of different people valuing something differently, there is no "correct" amount of water for a household that should be rigidly enforced or legislated. So for their situation it is the definition of inadequate, you wish to pursue a demand management to balance the supply, but it is still inadequate for them as of now.
(assuming there is no malicious actor who is simply leaving the hot water running while not using it, purely to deprive others)
Seriously, check what the flow of the shower head is. That fixes it harmoniously for the vast majority of cases.
floobydust:
My next roommate installed water conserving showerheads. Of course I hated the sharp tiny water jets and proceeded to remove the flow control o-ring and drill out the orifice.
Ahhh I love Hollywood showers.
Using only one sensor will not work I think. One quantity (temperature) there is too much lag due to the thermal mass of the pipe and water inside it.
I expect false imprisonment because your datalogs will show a longer cooldown time for the water pipe, long after the shower is stopped.
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