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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:
Oakbeam · 16/10/2023 17:02

Ours is always off overnight. It will kick in if the temperature inside drops to 7 degrees or less, but it never does.

IsThatTheTimeAlready · 16/10/2023 17:04

Mines turned off at night when I go to bed so it's not set at any temp.
It must get cold during some point in the winter overnight because sometimes I wake up for the loo and the dog is shivering on her bed.

BotterMon · 16/10/2023 17:04

15 overnight and during the day. It comes on around 5.30pm. I don't work at home - DH is at home but no longer works so keeps busy and 15 is ok for him as he just puts a sweater on if cold. House is very well insulated.

Bigtom · 16/10/2023 17:05

Never have the heating on at night. In fact we always have the window open! Even when it was -20 in Lapland 😁

Muddle2000 · 16/10/2023 18:13

Make sure it is on in the evening though so you go to bed warm

Unfortun8 · 16/10/2023 18:55

Off. Switch it on as soon as I get up. Can't bear a hot house at night.

Titsywoo · 16/10/2023 18:57

13 degrees which it has never once dropped to so to all intents and purposes it is off overnight. It is set to 18 from 6 till 8 while we are getting up and ready.

ouiouiouioui · 16/10/2023 20:08

My face gets cold at night, I don't have a working heater in my room either :(

ChickenNugget6 · 16/10/2023 20:17

Mine is 16 at night ...

Middleagedmeangirls · 16/10/2023 20:36

Our upstairs thermostat is set to 17. It goes on from 8pm to 10pm and then it's off until an hour before we are due to get up the next morning. We have a Nest thermostat so we can tweak it if we wake up early or if it's particularly cold in the morning without having to get out of bed.

i sleep much better in a cold room so the windows will be open most days of the year. I then have a finely tuned system of various combinations of duvets/throws/bedspreads and different winter or summer weight nightwear to ensure the perfect nights sleep! The cotton shorts pjs have just been pushed to the back of the drawer and the long legged velour ones have had their first outing.

CasperGutman · 16/10/2023 20:39

Desecratedcoconut · 16/10/2023 15:53

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.

@Desecratedcoconut I agree (and said in the post you quoted) that it makes sense to set the thermostat as early as necessary to get your house to the temperature you want when you want it. It also makes perfect sense to heat the house all night long if you want a warm house throughout the night. I'm not some kind of heating puritan who thinks you need to suffer.

What doesn't make sense is the "common sense" belief you often hear that it's somehow cheaper to keep your house warm all the time than to let it cool down and then have to warm it up again. The cooler your house is, the less money you're spending on heating.

BTW, as I said in my previous post, in practice I'm not really letting my house drop to 10⁰C overnight. I'm setting the thermostat to that, bit it's basically equivalent to "off". It rarely if ever drops that low overnight, and certainly gets back up to the set temperature within an hour of the boiler firing up, usually much less.

Fozzleyplum · 16/10/2023 23:45

I set the thermostat to about 14 at night. As we have a modern, well insulated house and the thermostat is downstairs, it rarely gets cold enough for the heating to kick in. The bedrooms are cooler, because we sleep with the windiws open, unless there's a blizzard outside. I can't bear to sleep in a warm, unventilated room.

During the day, I set it at about 17-18.

Lolaandbehold · 16/10/2023 23:47

It’s only October. No heating on here yet.
But always off at night.

ouiouiouioui · 16/10/2023 23:50

No doubt my lodger will find her 21 degree room too cold and turn it up Angry

RampantIvy · 17/10/2023 07:21

Lolaandbehold · 16/10/2023 23:47

It’s only October. No heating on here yet.
But always off at night.

We don't have the heating on at night, but our heating comes on during the day when it is cold enough, not on some arbitrary calendar date.

Where I live the temperature doesn't stay mild during the entire month of October then suddenly plummet on the 1st of November.

Nannyfannybanny · 17/10/2023 08:08

When our youngest was born 31 years ago,we didn't have central heating in our 1940s house. It had the old crittal metal single glazed windows. We didn't have it in our last 1930s cottage until 2003 either, just a gas fire in the sitting room, again the rather prettier single glazed windows. Oddly enough, when we double glazed, insulated,added central heating,it was never warm. Now we have a detached 1960 bungalow, small open plan, bedroom and living room face south. Replaced the single glazed windows, doors,new boiler and rads, the original ones were huge, now they are either 2 or 3 ft wide,much shorter. Nice and warm. Definitely no heat overnight.

crazy4cats · 17/10/2023 16:06

CasperGutman · 16/10/2023 20:39

@Desecratedcoconut I agree (and said in the post you quoted) that it makes sense to set the thermostat as early as necessary to get your house to the temperature you want when you want it. It also makes perfect sense to heat the house all night long if you want a warm house throughout the night. I'm not some kind of heating puritan who thinks you need to suffer.

What doesn't make sense is the "common sense" belief you often hear that it's somehow cheaper to keep your house warm all the time than to let it cool down and then have to warm it up again. The cooler your house is, the less money you're spending on heating.

BTW, as I said in my previous post, in practice I'm not really letting my house drop to 10⁰C overnight. I'm setting the thermostat to that, bit it's basically equivalent to "off". It rarely if ever drops that low overnight, and certainly gets back up to the set temperature within an hour of the boiler firing up, usually much less.

It's definitely uses less gas for me to keep the heating on all the time in my house. The house gets cold quickly and in the middle of winter would easily get to 12 degrees at night with no heating. Or even in the day when we're talking about 0 degree days. We drop about 1-2 degrees an hour without heating on the coldest days. It would take hours to get it back up to 19 from 12. I have a Hive and a smart meter and have tested this - no more gas is used to keep the house ambiant all the time than is used to have big swings in heat. Plus the house is always comfortable and I'm not sitting there waiting for it to warm up.

Total time for the heating ot be on all night on the coldest nights is about 2.5 hours. To warm the house up from 12-19 is more like 4 hours of heating.

Yes, we probably need to get the insulation looked at.

AlaskaThunderfuckHiiiiiiiii · 17/10/2023 16:24

set to 12 overnight but never drops that low apart from when it was -12 last December it did drop that low a few nights! 😱

WouldntItBeDandyIfEverythingInTheWorldWasPink · 17/10/2023 16:31

I was hoping to get to November before putting it on but this weekend the air in the house late evening was so cold it hurt to breathe. I've now set it to 18. I wonder do I have undiagnosed asthma or is the air quality bad in the house or is the insulation bad. I could do with just a duvet overnight but I just find breathing cold air so horrible

Nannyfannybanny · 18/10/2023 08:23

If your property takes hours to heat up,or gets cold as quickly as some of you have stated,then there's a problem... either with an inefficient boiler or insulation.

MrsPelligrinoPetrichor · 18/10/2023 08:26

It's off at night ,always.

Vettrianofan · 18/10/2023 08:29

megletthesecond · 16/10/2023 11:58

18° at night. I need the heat when I'm not moving.

22/23C at night for me. Can't cope with the cold 🥶

Tumbleweed101 · 18/10/2023 08:34

Mine is on 15C over night and when we are out. My own bedroom radiator is off but my children's rooms get colder than mine and they don't get hot flushes!

During the evening or when first get up we might put it up to 18/20C.

Seaitoverthere · 18/10/2023 08:34

16 at night. We tried in our last house turning it off at night then couldn’t get it up to temperature the next day and cost a fortune in gas, the bill reduced when we left it at 16. We were on a prepayment meter so knew how much was being used.

Moved now and using the same method. We both have asthma so cold air isn’t great. Yes there is a problem with insulation as walls are solid granite.

crazy4cats · 18/10/2023 11:19

Nannyfannybanny · 18/10/2023 08:23

If your property takes hours to heat up,or gets cold as quickly as some of you have stated,then there's a problem... either with an inefficient boiler or insulation.

not everyone has a new build. It's the dormers in our house I suspect. maybe we need more / different insulation but not everybody has a house that has the ability to maintain 18 without any heating.... even the best boiler will take hours to get a house form 11 to 18 degrees lol

but glad you live in a nice warm house with amazing insulation and a brand new boiler :D

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