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Herongull wrote: »
The logic is really simple, so can't understand why anyone even thinks of doing unscientific "tests".
Heat loss to outside = money (and energy) wasted. Anyone disagree with this?
Heat loss is minimised when:
1/ insulation is good. Anyone disagree with this?
2/ The difference between inside and outside temperatures is less. (Greater heat loss on cold nights. Greater heat loss if you heat the house to higher temperatures). Anyone disagree with this?
Therefore if you only heat the house when you need the heating on (ie when you are home and awake), you greatly reduce the heat loss.
Always have the heating off after you go to bed, because warm house and cold nights = very high heat loss. Keep the heating turned low in bedrooms when it is on, and get yourself a lovely John Lewis 13.5 tog down duvet:j
notanewuser wrote: »
No, that's not what I said (is it?).
What I meant was its set to 20 when we're here, and then left on at about 15-16 when away (so that we don't come back to a 5 degree house that takes days to warm up). If we were away for a fortnight or more in winter we'd leave it set to 10-12 degrees to stop pipes freezing. The heating is off in summer.
laptop80 wrote: »
Off-topic I know, but the amount of money saved by switching your broadband router off at night will be pretty negligible - probably less than a tenner a year.
However, there's a chance it may significantly decrease your internet speeds as line management by your phoneline provider will detect the drops (a switched off router looks the same to them as a lost connection for any other reason) and lower your line speeds to try to increase reliability.
I had it happen when I first go a wireless router and thought that I was being sensible by turning it off at the wall each night. They manually reset the line speed for me, but I understand it should go back up by itself over time. Also, routers are designed to be 'always on' and frequently switching the power on and off could potentially shorten their lifespan in some cases.
KnightRider wrote: »
One thing to bear in mind is how cold it feels. If my heating comes on at specific times of the day (currently 6am to 10am and 3pm to 11pm) my lovely wife will pushes the main thermostat up to 25c when it comes on and that is where it will stay for the rest of the evening because she carries that feeling of waking up to a cold house. If I leave the heating on constant at 18C overnight, the whole house feels warmer but the thermostat never goes up over 21C then. When we do this we also turn the upstairs radiators right down as the warmth from downstairs is always flowing up.
Some of our friends have electric underfloor heating and, while it is expensive to run, they rarely put the thermostat up beyond 18C. Their house is always on the comfortable side of cool. As opposed to ours where our feet are cool and the ceiling area is very warm with the middle bit reasonably comfortable. Low speed ceiling fans, incidentally, are a great way of distributing the warm air in winter as well as for cooling in the summer months. Not that I can remember the last summer we had.
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