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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Heating Settings at Night

105 replies

WinterVibes · 16/10/2023 11:45

During Autumn/Winter, I have mine set to come on during the night if it drops below 14 in the house, that way, when it's set to reach 18 at 5am onwards it doesn't use to much energy to reach that temp. That's my thought process anyway!

Eg if the house dropped to 10 overnight, it would have to use quite a bit of energy to bump it up to 18 in the morning so that the house is warm when we get up.

What temp to you have yours set to?

OP posts:
IDriveMySupernova · 16/10/2023 14:23

Off at night. I’ve never liked heating on through the night. Also, the click of the thermostat in my bedroom is very loud and would wake me up.

Insommmmnia · 16/10/2023 14:54

Desecratedcoconut · 16/10/2023 14:13

I keep seeing this. By what mechanism is this healthier and is there a great decline in health over summer?

I've read (but not checked out the research behind it) that the optimum temperature to sleep at is 16-18 degrees

So it isn't really as straightforward as - it's healthier without heating - it really depends on your houses temperature (not that you were saying this @Desecratedcoconut I mean this more generally)

AngryBird6122 · 16/10/2023 15:04

PinkRoses1245 · 16/10/2023 14:08

Always off at night. it's healthier and better for you to sleep in a cool room, but be warm under the duvet.

Well unless you have asthma which is triggered by breathing in the cold air and nothing to do with how many blankets etc you put on! Wouldn't be very healthy in this house let me tell ya!

BungleandGeorge · 16/10/2023 15:09

Off at night. If it’s been on in the evening it doesn’t drop below about 10 anyway even if very cold. If you’re away and not using the heating you’d need to set it to the frost protection setting. If you have an old house/ single glazing etc may need it on during the night. It soon heats up from 10 to 18 in a better insulated house so don’t think there’s any need to do what you’re doing

ohtowinthelottery · 16/10/2023 15:19

The only time I've ever had the heating on at night was when the temperature dropped to -18°c.

We had no electricity (and therefore no heating) for 4 days a couple of years ago. The temperature on day 4 had dropped to 7°c in our bedroom and we managed just fine.

CasperGutman · 16/10/2023 15:22

Ours is set to 10°C, which might as well be off as it won't drop that low between switching off at 10pm and coming back on at 6am.

CasperGutman · 16/10/2023 15:28

The idea of keeping your house unnecessarily warm at times when the heat isn't needed just so it will need less energy to heat it up at some future time when needed is one that you hear a lot, but it's not based in sound science.

In the end the energy you pay for to heat your home will be equivalent to the heat it loses to the external environment. The warmer the house is, the more heat it loses in a given time (hotter things give off more heat in a given time). Let the house cool down and it will lose heat more slowly.

If your house doesn't warm up soon enough in the mornings, the better approach would be to set the thermostat to the desired temperature earlier, not heat the house all night. More intelligent modern thermostats will do this automatically when the measured or forecast outside temperature is low.

gotomomo · 16/10/2023 15:38

Set to 12 degrees , it's never come on

JaninaDuszejko · 16/10/2023 15:44

Our thermostat is set to 10C overnight but it never drops anywhere near that low. So it's effectively off.

In our last very cold house we had it set to 17C overnight because if it was set any lower it wouldn't heat up properly the next day. When we went away in the winter and put it on the frost setting it was very cold in the house for days when we came back until it warmed up. It was horrendous! Solid walls, on a hill, single glazing (although we had lovely thick curtains).

crazy4cats · 16/10/2023 15:44

I'm in the minority but I have ours on at night once the tempterature dips. the house would drop to 11/12 degrees overnight without it and then take hours in the morning the warm back up. for what it's worth, the heating clicks on for a few minutes at a time, on the coldest nights will be on for 2.5 hours total according to my hive app, would take much longer to warm the house from 11 to 19 degrees! plus we have a baby so he needs to be comfortable and we're up in the night with him sometimes.

MotherofPearl · 16/10/2023 15:46

Off at night, always.

But regardless, our bedroom is in the loft which is very warm and I keep the radiator in there turned off permanently, and the windows open. I generally have a bit of a thing about fresh air and prefer a cold bedroom (but a warm bed with a thick down duvet).

Desecratedcoconut · 16/10/2023 15:46

Insommmmnia · 16/10/2023 14:54

I've read (but not checked out the research behind it) that the optimum temperature to sleep at is 16-18 degrees

So it isn't really as straightforward as - it's healthier without heating - it really depends on your houses temperature (not that you were saying this @Desecratedcoconut I mean this more generally)

Yeah, I would have thought so Insommmmnia but I've seen this pop up a few times without any caveats - as though there was something inherently worrisome about ch on a night-time.

Glitterblue · 16/10/2023 15:46

Off altogether at night, I can’t bear the hearing on overnight.

Caravaggiouch · 16/10/2023 15:49

7 overnight because I never want it to come on, I just want the frost protection in case we suddenly leave for some reason. I don’t think I’ve ever seen it show lower than 12 in the morning evening in the coldest periods.

Jayne35 · 16/10/2023 15:50

Ours is set to 7 degrees and never comes on. I can't stand being too hot in bed. Admittedly I had it on low when I had babies and small children (mostly due to having to get up in the night).

funbags3 · 16/10/2023 15:52

I've never used the heating through the night. I can't stand the house being warm when I'm in bed. Even more, now that I'm in peri.

BurbageBrook · 16/10/2023 15:53

We used to have it off at night pre-baby. Now with a baby we set it at 19 at night, 20-21 in the day.

Desecratedcoconut · 16/10/2023 15:53

CasperGutman · 16/10/2023 15:28

The idea of keeping your house unnecessarily warm at times when the heat isn't needed just so it will need less energy to heat it up at some future time when needed is one that you hear a lot, but it's not based in sound science.

In the end the energy you pay for to heat your home will be equivalent to the heat it loses to the external environment. The warmer the house is, the more heat it loses in a given time (hotter things give off more heat in a given time). Let the house cool down and it will lose heat more slowly.

If your house doesn't warm up soon enough in the mornings, the better approach would be to set the thermostat to the desired temperature earlier, not heat the house all night. More intelligent modern thermostats will do this automatically when the measured or forecast outside temperature is low.

Well, I guess that depends where you are on the unnecessarily warm. If you would let your house drop to 10c and then ask your central heating to do you a solid and get it up to 19c on those days when it remains under freezing all day long, then there's a good chance that you won't actually see that temperature despite your boilers best efforts until later in the afternoon. Then you'll be warm for a bit only to let the house tank over-night again.

Personally, if I'm paying for the heating to be on all day I don't want to be huddled under blankets to boot. So, yeah, I keep my house at a reasonable overnight temperature when it's cold out.

purplecorkheart · 16/10/2023 15:54

Off at night and I think there is only one rad on upstairs in house. We put in a lot of insulation in a very years ago and the house is timber frames so really holds in the heat.

RampantIvy · 16/10/2023 15:54

Ours has a frost setting, so if it goes down to about 7 degrees indoors it would come on. We don't have the heating on at night as we have a warm duvet.

Meadowflower2023 · 16/10/2023 16:22

Ours is set to 15° at night but rarely ever clicks in. We don't wear PJs to bed and have a tog 4.5 tog duvet as the heavier togs are too warm. At the moment it's set at 19° from 6am - 9:30pm (I hear it start to preheat from about 5am) when it's really cold I'll change it to 21/22°. Ours is a 400 year old cottage with no wall insulation.

Kaill · 16/10/2023 16:28

Off at night, you don’t need it when you’re under blankets. Off on a weekday morning because it’s pointless putting it on, we are busy getting showered and stuff and we’re out in less than an hour. This is why the planet is going to hell, because people are heating houses unnecessarily when they’re in bed and when they’re going out shortly.

Ginmonkeyagain · 16/10/2023 16:56

It is interesting the move from expecting bits of the house or yourself to be chilly to expecting to have a constant fixed ambient temperature everywhere. I am like you, on normal winter days if I am not going to be in the house all day I often just sprint to the shower, dry quickly and am warm by the time I have my clothes on.

I don't have the heating on right now - I am perfectly waem in terms of my feet, legs and torso but I can feel it is a little cool around my hands and face. But to me that is normal having grown up with with no central heating.

Bobbybobbins · 16/10/2023 16:57

Set for 8 at night and has never come on. Only time we had it on at night was with newborns and I was sweating all night!!

falalalalal · 16/10/2023 17:00

Off overnight and bedroom window open all year round. Only closed the window if there's an absolute storm. Really don't like sleeping without fresh air. We've never had the radiator on in our bedroom (well insulated house).
Heating comes on at 22 at 6am for getting up.