I recomend a locking tamper box that covers the thermostat so the
tennant cant adjust it, set it at the legal required temperature and
leave it. Here in Chgo the required legal temp is 68 daytime 66 night
time. I just bought a good one at Ace that is tamperproof, some are not
, they could allow a small piece of wire to be inserted to tamper with
Set your water heater to a temperature needed to shower. At the
showerhead all that is needed is 93 to 96 degrees. Any more and you will
have to add cold water to your shower, A waiste of energy.
Radio Shack sells an accurate remote thermometer that can have 3
remotes and recordes high and low temperatures , good for monitoring.
As far as separarte bills yes you need separate systems, Monitoring is
best and cheapest for the least investment. If tennants Demand a higher
than normal temp make them pay a percentage for every degree they want
their apt higher, Say 3 %. to 4% of the divided bill.
One main super effeicent system may be in order. Also a more effecient
New thermostats in your mothers apt could be instaled that are
remotes. and control tennants heat. There are many ways to control
tennanrts, Remember, tennants will never tell you if its to warm , and
for many it never is, unless they pay the bill.
You didnt say if its Air. water , or steam heat. They all have unique
problems for monitoring and being sure tennants dont cheat you.
Do you have low flow shower heads, sink areators,
Over Christmas I had a boiler malfunction at a 16 unit and the
temperatures reached 100 for a week. NO tennant called, I went out and
found most of the windows open. Its up to you to control your