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1. JonBoy - Member

   We live in a 1980s terrace and was wondering what is the best way to run the heating. At the moment its on for a few hours in the morning and then again in the eve, plus whatever the OH puts it on during the day.

   The house looses heat very quickly so i was thinking of running it on for 1 hour the off for 2 with a break a night. Its a just serviced combi boiler (about 3yrs old). Reason for keeping house warm is we have a 3.5 yr old who likes to strip at will and a 4 month old baby.

   Any suggestions are welcome.

   Dont really want it on for more than 8 hrs as it costs about 35p an hour to run (with out hot water)

   Posted 5 months ago #
2. alfabus - Member

   I presume you have a thermostat?

   Posted 5 months ago #
3. JonBoy - Member

   Thermostatic rads

   Posted 5 months ago #
4. alfabus - Member

   hmm, not quite the same thing - TRVs on rads will just stop the hot water from getting to individual rads while the boiler ploughs on burning your money.

   Do you not have a central thermostat dial connected in with your CH timer? If not, I'd seriously look at getting one. That way your heating will only be on when your house needs warming, it will cut in and out as needed to maintain the temperature.

   Dave

   Posted 5 months ago #
5. highclimber - Member

   you'll struggle to keep any house warm if it's got ineffective insulation.

   Posted 5 months ago #
6. rightplacerighttime - Member

   Reason for keeping house warm is we have a 3.5 yr old who likes to strip at will and a 4 month old baby.

   That's not a very good reason.

   Posted 5 months ago #
7. JonBoy - Member

   Will do. Is it and expensive thing to get done?

   Posted 5 months ago #
8. JonBoy - Member

   Loft insulation is done, cant get walls done as they are solid. All double glazed.

   Posted 5 months ago #
9. JonBoy - Member

   Just read my post, I have put the date backwards. Its ment to be 1890s terrace. Doh.

   Posted 5 months ago #
10. alfabus - Member

    Will do. Is it and expensive thing to get done?

    Needn't be - you may be able to wire a thermostat into your CH controller, or worst case get a new controller.

    If you do get a new controller, take the opportunity to get a decent one that can be programmed with times and temperatures together, lots of these can learn how long your house takes to react, and can cut heating in and out before thresholds are reached to minimise the time the boiler is actually running.

    Someone professional may be along in a minute with better advice (my advice is just from DIY experience). If not, get yourself over to the DIYNot Forum and ask there - if you find out the model of your boiler and controller, they can probably give you specific advice.

    Dave

    Posted 5 months ago #
11. JonBoy - Member

    Thanks for the advice.

    Posted 5 months ago #
12. Edukator - Member

    You can do the walls from the inside. A solid wall in English bricks isn't even R = 0.4. Adding 8cm of polyester and plasterboard at R = 2 brings you up to R = 2.5.

    Your floor is currently no doubt boards over a ventilated space R = .3. Adding 12cm of polyester between the joists will get you R = 3.

    With a sixth of the heat loss through the walls and a tenth through the floor you won't need to worry about when to run the heating, a couple of hours in the evening will do.

    Posted 5 months ago #
13. JonBoy - Member

    I like the idea of putting insulation between the floor boards. Need to evict OH and kids for a bit though. Maybe a spring thing.

    Posted 5 months ago #
14. thisisnotaspoon - Member

    Adding 8cm of polyester and plasterboard

    Great, but do you save as much in heating bills as losing a big chunk of floor space in a "1890s terrace" lowers the value?

    Dunno how old my current digs are, probbaly older than 1890 but not by much, alls look like at least 2 layers of brick, the back wall must be 8-10", the front 6-8". They're suprisingly warm, untill last week the thermostat was set to 17deg 5am-7am (I get up arround 6:30), and again 4:30-8:00 (I get home arround 6) and I'd never been in the house while the heating had been on!

    I'd fit a thermostat and set it to be on BEFORE you want it, no point having it come on at 6 when you get home and off at 10 when you go to bed, it wont warm up till 9. Give it a good 2 hour head start and chuck a jumper on later in the evening.

    Posted 5 months ago #
15. thepurist - Member

    Have you been round and checked for draughts? Badly fitting doors/windows can be sorted pretty cost effectively and you'll notice a difference. I rented a place a couple of years back that had a shocking front door and that actually was a 1980s build...

    Posted 5 months ago #
16. glenh - Member

    alfabus - Member
    hmm, not quite the same thing - TRVs on rads will just stop the hot water from getting to individual rads while the boiler ploughs on burning your money.

    Surely the boiler will only carry on working until the water is at the required temperature?
    If the house is warm enough that the thermo valves on the radiators close, then water is only flowing to one radiator (usually there is one that doesn't have a thermo valve on so there is always a circuit for water to flow around). So, it won't take long before that radiator is at maximum temperature and the boiler shuts down until the water temperature drops.

    ie. it's only working to heat one radiator (usually the smallest one), and thus not using much energy?

    Posted 5 months ago #
17. CaptJon - Member

    What is the R value of single glazing vs single glazing with film secondary glazing?

    This is my job for the weekend.

    I've found the biggest influence on how quickly my flat heats up or cools down is the temperature of the flat below mine. Presumably in a terrace the temp of neighbours houses is an influence..?

    Posted 5 months ago #
18. joolsburger - Member

    Make a note of your meter reading run it for a few days as is then make another note and run it for a few days changed and see which uses less gas? Hopefully outside temps will be broadly similar.

    Posted 5 months ago #
19. Cougar - Member

    1890s terrace here too. Still trying to get my head around the idea that I simultaneously need to block draughts and add ventilation.

    Posted 5 months ago #
20. specialknees - Member

    Some good advise there.

    If it helps remote (radio controlled) thermostats are now available if running a wire from the controller to a central position is a problem.
    Most modern boilers have an option to add one. This you could do yourself as its a multi pin plug job.

    Do you have an I Phone? If so I am told there is an 'ap' for that. It reads temperature over a 24hr period. You can then view it as a map of temp/time. Make sure its not up to temp but you havent even left work yet etc..etc. May not be so useful if OH is in all day though. Still could help in mornings possibly.

    Posted 5 months ago #
21. b r - Member

    1980's terrace house with solid walls - are you sure?

    Maybe need to 'frig' your neighbours heating so their's is always on

    Posted 5 months ago #
22. JonBoy - Member

    We have smart meters so can show just how much in money we are using .Have just been told by plumber we need a new rad in daughters bedroom.

    Posted 5 months ago #
23. Kryton57 - Member

    There was another thread about this the other day. Since then, I have set (I have no thermostat but have the Thermo Rad valves) the boiler temp to its lowest setting and left the heating on - 4 days now I think.

    Via Kryton Jnrs baby monitor, I noticed his room crept to 22 degrees. With the heating at 4.30am - 7.30am, and 3.30pm to 10.30pm, it never went above 19 degrees. As its getting warmer inddors, I have slowly been going around the house lowering the Rad valves to suit (leaving the hallway fully open of course).

    House is toasty, and (sad I know) I recorded the boiler running 13 minutes in every hour - not sure how many pence that is......

    Posted 5 months ago #
24. nealglover - Member

    Great, but do you save as much in heating bills as losing a big chunk of floor space in a "1890s terrace" lowers the value?

    How small are your rooms that losing 8cm off one wall is considered a "big chunk" that will devalue the property ?

    Also, even if they do literally value the house by the Centimetre (which I doubt) it will increase by more due to the EPC being better ?

    I have been doing internal "kingspan" insulation on Walls for ages, anything up to 15cm + Plasterboard. And you seriously don't notice the difference in room size once it's finished.

    Posted 5 months ago #
25. Kryton57 - Member

    Once thing I'd like to add, ragarding all this "insulate here, fill up floor space there" stuff - how much does it cost?

    I mean, If my "running-the-heating-all-winter" costs me only a proportion if induslating walls, lofts and floors to the nth degree, why bother eh?

    Posted 5 months ago #
26. tomaso - Member

    One issue with internal insulation of walls is where floor joist penetrate into the wall space can get damp. Similar to adding insulation to most places in an existing house - you need to maintain the correct level of ventilation,

    External wall insulation is better but generally more complicated.

    I've insulated between the underside of my floorboards with phenolic foam and its made a big difference to how the floor feels underfoot.

    This website has good info on all things green and refurb green refurb

    Posted 5 months ago #
27. Kevevs - Member

    I presume you have heating you lucky bastard. snuggie and a duvet. If you are wandering about the house- poke holes in the snuggie/duvet combo. coal soup.

    Posted 5 months ago #
28. Edukator - Member

    Windows are generally quoted for UW, the thermal resistance of the whole window. Secondary glazing will give you UW = 2. To get the R of the window R = 1/UW so for secondary glazing R = 0.5. Similar to an 1890s wall.

    Approximate UWs for different types of glazing.

    Single glazed = 5.7

    Double glazed = 2

    Double glazed 4/16/4 = 1.4

    Best triple glazed or double with thermal memebrane 0.7

    A recent double glazed window in an 1890s house will lose less heat than the wal around it.

    So go ahead, CaptJon, you'll beter than halve the heat loss from the window.

    Posted 5 months ago #
29. JonBoy - Member

    Can't do anything more with out big expense. the rooms are big and pretty tall. They warm up quickly but you can just watch the digital thermometer tick down. may try the on most of time just very low trick.

    Posted 5 months ago #
30. Edukator - Member

    Krypton, insulating the roof is no brainer, it costs a few hundred pounds and financially returns in a couple of years. The walls can be done internally for a couple of thousand pounds and return in 10 years. The floor will take a few hundred pounds worth of insulation (and usually an desperate crawl) and return in 10-15 years. Insulating on the outside costs a lot more, my neighbours paid 30 000e, and probably not return financially in your lifetime unless you're young. Even a DIY job costs about 10 000e.

    Posted 5 months ago #
31. coffeeking - Member

    ie. it's only working to heat one radiator (usually the smallest one), and thus not using much energy?

    Still, any reasonably sized rad will dissipate ~2-3kw continuously - why waste it?

    FWIW it's not worth heating the whole house for the kids sake - why not use storage heater or similar in the kids room alone, save heating the whole house for just the one person? Need to weigh up the overall costs of course.

    Krypton, insulating the roof is no brainer, it costs a few hundred pounds and financially returns in a couple of years.

    Costs less than that, just about every council in the land will give you free insulation or a free top-up to 270mm.

    Posted 5 months ago #
32. totalshell - Member

    couple of decent replies.. to save money.. dont spend money.. fitting new thermostats etc will cost and frankly if you have trv's the saving would be minimal. understand what your base is.. take meter reading every day for a fortnight at same time.. then do some stuff like .. sort out draughts.. make sure curtains/ sofas dont cover rads.. close internal and external doors when you pass through them. those things cost nowt and save money.. oh and get the cheapest deal you can..

    Posted 5 months ago #
33. crikey - Member

    Increasingly these days I am made to wonder what people expect from their heating. It would appear that living in a temperate climate means that people expect to be 'warm' ie, able to swan about in shorts and a t-shirt and flip flops ALL THE TIME....

    They move from over-heated houses, into cars with the heater on, into buildings heated to temps in the high 20s, then move back again, never ever having to wear any kind of clothes other than those they choose in the name of fashion.

    How any children outside of equatorial Africa ever make it into adulthood seems to be a mystery, as no-one can ever grow up without having central heating on.

    Presumably symptomatic, it would appear that people are unable to actually PUT SOME WARM CLOTHES ON.

    The 3.5 year old who strips at will won't do it if the house is cold and her clothes are keeping her warm.

    I despair sometimes; how can we ever use energy sensibly if people are trying to make the UK into some kind of tropical isle by turning the **** heating up?

    Posted 5 months ago #
34. Elfinsafety - Member

    Yeah but your ignoring individual physiology, Crikey. Makes me laugh when people bang on about 'putting extra clothes on' rather than being comfortable in yer own home.

    Went round a neighbour's earlier; he's got his balcony door wide open. I din't even take me coat off. He thinks it's funny that I think it's a bit cold; it's some silly macho crap he's got going. Truth is, he's got high blood pressure, and drinks from about noon. so he simply does not in any way feel the cold like I do. come the summer, if it gets about 75ºF, he's 'too hot'. So he's a moany bastard from about May to October. I, on the other hand, am fine in warmer temperatures.

    In my experience, those who originate from warmer climes tend to suffer the cold more than those who originate from the UK or Northern Yerp. It's all about physiology; an Ethiopian can run about in the hot sun, whereas a White Scottish person would keel over as their bodies can't physically cope with the heat in the same way. Horses for courses. Not to mention sunburn...

    I have my flat at 20ºC during the day. Just right and comfortable if I'm wearing a jumper. Don't care what others think; if you want to live in a fridge, wearing all your clothes, you are free to do so in the comfort of your own home. Just don't expect me to come and visit bringing a nice bottle of wine or some snacks.

    Posted 5 months ago #
35. Edukator - Member

    Your post reminds me of sleping in our van in Austria, Crikey. It was -20°C at night and -10°C at best. Kiddy could hardly move he had so many layers on. Next door the camper van had a 3.5kW genny going comstantly. Madame loked in and uttered words to the effect of, "FFS, he's wearing a T-shirt".

    Posted 5 months ago #

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