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Aspro
10 Nov 23 15:28
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Date Joined: 16 Dec 02
| Topic/replies: 31,331 | Blogger: Aspro's blog
I've lived in my 1930's terraced house for 20 odd years and the conventional boiler is still going strong, but I'm considering changing to a combi. Partly because I've had a few loft leaks over the years, for various reasons that are not relevant, but with a combi boiler all of that will be in the past, and partly because I'd like to save money if at all possible.

What I want to know is have any of you made this change and if so, were the savings as good as I'm reading?

Also, for anyone who has the time, what are the pros and cons of making this change? I have one bathroom, which is sometimes shared when I have a lodger, 3 bedrooms, an extended kitchen and two main rooms (I'm one of those that haven't knocked the wall through).

Another question is, have you noticed any difference in the heating of the home? There shouldn't be I guess, but it's good to know.

I trust you lot more than anyone trying to sell me something, so any advice would be appreciated before my local engineer calls me (I've not long left him a message)

TIA

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Replies: 78
By:
Dr Crippen
When: 10 Nov 23 18:24
How do you get your domestic hot water now, with a storage tank on the central heating?
If you do, that's three tanks you won't need with a combi.

No feeder tanks with a pressurised system.
By:
Dr Crippen
When: 10 Nov 23 18:25
You only heat the water you use now with a combi.
By:
Aspro
When: 10 Nov 23 18:34
Yeah, I have both the main tank and expansion tank in the loft. I'd rather have no water in the loft at all, hence the consideration for a combi, plus the reduced heating costs. That's the theory anyway. Always had a conventional boiler, so a little naive when it comes to combi boilers.
By:
Charlie
When: 10 Nov 23 18:58
Get a combi, there's no downside especially if you can have it in the same place as your old boiler so there's no great installation cost. It will be more efficient and with the cost of energy will save you money in the long term.
By:
Charlie
When: 10 Nov 23 19:00
And as Crappin said you don't store hot water, which can go cold if you don't use it, you heat the water when the hot taps are turned on and that's it.
By:
lfc1971
When: 10 Nov 23 19:01
Don’t do it is my advice
By:
Aspro
When: 10 Nov 23 19:09
You can't say that without giving a reason lfc

As for position Charlie, I'm looking at putting it in the bathroom cupboard, where the cylinder currently resides. My boiler is in the back bedroom.
By:
FATTIEWHITEYSLOVEADRINK
When: 10 Nov 23 19:17
I’d like to change
But my old girl of Boiler fires up
With no problem at all never had anything go wrong
With it I’ve been in house 14 years now
Problem is I’ve two women in house
They have 10 min + showers nick hot water
Other than that only change if I completely revamp the house
By:
----you-have-to-laugh---
When: 10 Nov 23 19:18
Get a combi, they are efficient.

Lots of free ones from council or energy company too
or help with that.

Speak to your gas provider about it

Get quotes if you have to pay, obviously.


https://thefreeboilerscheme.co.uk/

..
By:
Aspro
When: 10 Nov 23 19:20
I've budgeted for £3k and expecting change
By:
Aspro
When: 10 Nov 23 19:21
I appreciate the responses, thank you
By:
----you-have-to-laugh---
When: 10 Nov 23 19:39
My dad got a free one and he's not on benefits.

Energy company he was with had quota so came and fitted it...
By:
----you-have-to-laugh---
When: 10 Nov 23 19:39
Maybe with all the heat pump stuff there's less free combi, but
always worth a look.
By:
Aspro
When: 10 Nov 23 19:48
I most definitely will yhtl, can't ignore it that's for sure. Have saved page in favourites and will take a look when I'm not punting. Thanks for that.
By:
Charlie
When: 10 Nov 23 19:51

Nov 10, 2023 -- 7:09PM, Aspro wrote:


You can't say that without giving a reason lfcAs for position Charlie, I'm looking at putting it in the bathroom cupboard, where the cylinder currently resides. My boiler is in the back bedroom.


I can't comment on bathroom cupboard but where the combi is also acts as your airing cubpoard so it sounds ok. The only other thing I can think of right now is where you can control it from. I didn't bother with a downstairs heating control so when I turn the heating on I have to go upstairs to do so.

By:
lfc1971
When: 10 Nov 23 19:57
I like an immersion heater ..cheap and no maintenance
Depends on the individual of course
By:
lfc1971
When: 10 Nov 23 19:59
Why fire up a boiler to get hot water in the summer ?
By:
Charlie
When: 10 Nov 23 20:04
Ignore lfc he's talking his normal bollocks.
By:
casemoney
When: 10 Nov 23 20:09
Laugh
By:
casemoney
When: 10 Nov 23 20:09
Laugh
By:
Charlie
When: 10 Nov 23 20:15
One more thing I've thought of is the size of boiler you need and radiator size required for each room. If you're getting a quote then the engineer should work that out for you.
By:
casemoney
When: 10 Nov 23 20:15
Some Decent Combi offers about if you Shop round ,The One I have was all in Fitted Just over a Grand,  Still going ok after 7 years But looking at getting a New one in the next couple of years , as not sure what will happen going Forward regarding boilers
By:
Aspro
When: 10 Nov 23 20:18
Interesting case. I haven't had a call from the engineer yet, but that would be a nice saving if they supply and fit for (say) under £2k. I'll be happy with that.
By:
Aspro
When: 10 Nov 23 20:18
I've got 8 rads btw
By:
Charlie
When: 10 Nov 23 20:23

Nov 10, 2023 -- 8:18PM, Aspro wrote:


I've got 8 rads btw


But are they the correct size (BTUs) for each room? As I said the heating engineer should work that out for you.

By:
Aspro
When: 10 Nov 23 20:26
Yes they are. I bought a new curved radiator for the front room to go in the bay and I actually worked it out for myself. When the plumber arrived he said it was spot on. I also put another radiator in my back room with the same strategy. All the others though were here when I bought the house 20 years ago, so have no idea of them. How would I know?
By:
Charlie
When: 10 Nov 23 20:28
Sorry but I keep thinking about this Grin, have you got, or want, thermostatic valves for each room?

The heating engineer should work them out for you.
By:
lfc1971
When: 10 Nov 23 20:29
Do you have the same boiler from 20 years ago
still working ?
By:
Charlie
When: 10 Nov 23 20:32
Have a look at British Gas for a free (I think) quote: https://www.britishgas.co.uk/boiler-marketplace/quote-options
.
By:
Aspro
When: 10 Nov 23 20:32
About 2 years ago I replaced every valve in the house with new thermostatic valves, that's when I bought the the new radiators. Also had a power flush and completely revamped it all, barring the boiler.

Yes lfc, the boiler is the same. God knows how old it is as I don't believe it was new either.
By:
Aspro
When: 10 Nov 23 20:33
In my other house I let British Gas replace the entire central heating. I also called them out a few years back for a quote, but their prices are way too high.
By:
Charlie
When: 10 Nov 23 20:35
I think Brish Gas are too expensive but if you can get a free quote then I think that may be worth the hastle to see what you really need.
By:
----you-have-to-laugh---
When: 10 Nov 23 20:36
Yeah, I think British gas are expensive, but it'll give
you a decent start point.
By:
lfc1971
When: 10 Nov 23 20:36
I see .. you have a boiler that has worked perfectly well for at least 20 years
You have an immersion heater I presume .. why are you going to the expense of changing to
More expense ..-( they break down and are complicated )and no benefit
By:
Aspro
When: 10 Nov 23 20:39
Good question lfc. I'm moving in the next 1-5 years and I will need to replace the boiler at some point. I've had a few faults with it but my local guy fixed them, but warned me that it is old and probably won't last a great deal longer. I've decided that if I'm going to replace it to aid the sale, then I might as well benefit from it for a while. Prices don't go down.
By:
Aspro
When: 10 Nov 23 20:40
...and if I get an efficient boiler, I'll save a few bob on the bills.
By:
lfc1971
When: 10 Nov 23 20:41
If you’re selling your house ..  don’t replace the boiler

Even if it doesn’t work and needs replaced .  That’s the new buyers job
Let them know it might need replacing
By:
lfc1971
When: 10 Nov 23 20:44
Many people , most ? Will do work when buying a property
Including a new boiler .. Don’t waste your time and money buying a new boiler for them
By:
Aspro
When: 10 Nov 23 20:44
I need to get an energy certificate and the better I can make this house, the more chance of getting top dollar. I'm thinking that if so many things need replacing I won't have a leg to stand on if they try to barter, which you know they will.
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