Hello, What is the opinion of people as to leaving the central heating on 24 
hours a day as against the following?
Mon,Tues Wed Thur Frid  8:00am  to 12:00noon  5:30pm to 11:30pm
Sat Sun 8:00 to 12midnight

The heating is Jemplair gas warm air heating and if it is left on all night 
my hubby complains that it is too warm so either turns it off or turns down 
the thermostat, which prevents it coming on at 8:am.
The timer is only a simple 7 day 24 hour timer so it has to be manually 
switched on at the weekend when it turns off at noon and then the timer has 
to be switched off again at night back to automatic.  This has caused 
numerous arguments over the years and of course now hubby is on an energy 
saving kick, he even bought an LCD monitor to save energy(so he says).

So what are peoples suggestions as to the energy savings made by switching 
the heating on and off  or  leaving it on all the time?
Tracy

Buy a programmable thermostat and set it for
low heat overnight, quite warm in the morning (when
people wander around in pyjamas and suchlike),
cooler through the day and pleasantly warm at
night.
The kit replaces a "normal" thermostat and saves
arguments since a bog standard thermostat will
keep the house to the same temperature
regardless of the time of day.

So replace "timer+thermostat" with "programmable
thermostat".

I bought a four-period thermostat from Screwfix,
but I'd now like a six period device to give
me the option of pre-heat periods.

HTH

Mungo

In an earlier contribution to this discussion,
tracy   wrote:


> Hello, What is the opinion of people as to leaving the central
> heating on 24 hours a day as against the following?
> Mon,Tues Wed Thur Frid  8:00am  to 12:00noon  5:30pm to 11:30pm
> Sat Sun 8:00 to 12midnight
>
> The heating is Jemplair gas warm air heating and if it is left on all
> night my hubby complains that it is too warm so either turns it off
> or turns down the thermostat, which prevents it coming on at 8:am.
> The timer is only a simple 7 day 24 hour timer so it has to be
> manually switched on at the weekend when it turns off at noon and
> then the timer has to be switched off again at night back to
> automatic.  This has caused numerous arguments over the years and of
> course now hubby is on an energy saving kick, he even bought an LCD
> monitor to save energy(so he says).
>
> So what are peoples suggestions as to the energy savings made by
> switching the heating on and off  or  leaving it on all the time?
> Tracy


There's absolutely no point in heating the house when everyone is out - as
long as the timer is set to have it warm by the time you return. Heat loss -
which has to be balanced by the heat you pump in - is a function of the
internal (and external - which you cannot control) temperature, and the
length of time at which it is held at that temperature. The hotter the
house, the greater the heat loss.

There's also not much point having the heating on when you're in bed - get a
thicker duvet if you're cold!

It sounds as if your timer *isn't* a 7 day one - but provides the same
programme *every* day. Why not replace it with a programmable thermostat -
such as the Honeywell CM67 with optional Optimum Start. You can have a
different programme each day of the week *and* you can tell it the time by
which you want the house to be warm, and it will decide when to turn the
heating on.
-- 
Cheers,
Set Square
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