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Post by MikePost by PennyAh yes, d#1 has such a mobile controller. They have (for some reason I
don't understand) much insulation between floors in their house.
Presumably, the thinking is - why heat both floors when you're only in
one? Obviously, this works better for some people than others (depending
how often you/they go up and down stairs), especially if your only loo
is on the cold floor.
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Post by MikePost by PennyAfter a lot of years not quite understanding how best to run central
heating, I have, relatively recently, learnt to adjust mine properly,
leaving the hall radiator wide open and adjusting the heat in individual
rooms by use of the individual thermostats on their rads. The main
thermostat is fixed in the hall and is now, mostly, set to 18 while the
If you have individual thermostats, then you probably don't need a
master one; they'll fight. It sounds like your system - like, I think,
most - will operate the boiler based on the master thermostat; if that's
not being heated, there won't be hot water in the system to drive the
other radiators (which can't demand _more_ hot water, only limit it to
_less_ - only the master 'stat can demand more [light up the boiler]).
With the result that you have to keep the hall hot to be sure the rest
works. You probably _could_ use the hall radiator's thermostat, if you
set the wall one to above what you want anywhere, to ensure the _boiler_
is always heating the water in the system. (That _might_ use more gas
though, unless - as I'd hope - it shuts off when no water is flowing.
[Some systems need at least one radiator somewhere that doesn't _have_
an individual control valve, thermostatic or otherwise, to ensure there
is always some water circulating, so the boiler doesn't blow up.])
Post by MikePost by Pennyliving room maintains 23 and the bedrooms are probably 16 (I've never
checked). It seems to me if you wander around with your main thermostat you
are defeating the object of the thing and quite possibly overheating areas
you don't need to be heating at all beyond keeping them frost free when not
in use. BIMBAM
Depends entirely on how much moving you do (and to some extent how fast
your individual areas heat - and cool). If you wander around a lot
carrying your main 'stat, then you'll cause the whole house to be
heated; conversely if you don't, you'll only heat the room(s) you're in,
thus saving. Depends a lot on how many sensors you have, too: if the
only control and sensor is in your pocket, then the whole house will be
heated to whatever extent is _needed_ to get where you are to what you
want.
Post by MikeWe now have the intelligent thermostatic radiator valves (Hive again) and
each has its’ own individual programming functions so we adjust individual
rooms for temperatures at various different times.
That sounds like the best solution. Provided the boiler is capable of
reacting fairly rapidly to changing demand, and has the capacity to heat
all the rooms to what you want them to be.
Presumably, this will come out in the wash when we're all-electric
heating anyway, as we're told we will have to be - there'll be
individual room heating and we'll do away with heating pipework. (We've
nowhere near the generating capacity to do that yet - not even for
transport, let alone heating. We need, as a nation, about the same
amount of energy for each: what we _currently_ use electricity for, for
heating, and for transport. Currently we mostly use gas for heating and
oil for transport. Moving it all to electricity is an interesting
proposition, and I anticipate unpopular enforcement [in both heating and
transport] if we're to meet the timescales being talked about.)
--
J. P. Gilliver. UMRA: 1960/<1985 MB++G()AL-IS-Ch++(p)***@T+H+Sh0!:`)DNAf
"Bother," said Pooh, as he fell off the bridge with his stick.