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Boiler size for 2 bed terraced house?
blizeH
Posts: 1,401 Forumite
Hi,
We're fitting a new boiler into our BTL property - obviously we want to try to keep costs down, but similarly we want to try and provide something that's going to be suitably adequate for our tenants.
The house has 6 radiators in total (2 in the living room, 1 in each bedroom and 1 in the kitchen/bathroom) and one bathroom with a shower/bath all in one.
The plumber has suggested that 24kwh would be fine, but reading up on it now I'm not sure if that's the case? FWIW the house is well insulated with double glazing etc.
We're going with a Baxi Duotech and the 28kwh is around £100 more expensive than the kwh... is it worth the extra in this case?
Thanks!
We're fitting a new boiler into our BTL property - obviously we want to try to keep costs down, but similarly we want to try and provide something that's going to be suitably adequate for our tenants.
The house has 6 radiators in total (2 in the living room, 1 in each bedroom and 1 in the kitchen/bathroom) and one bathroom with a shower/bath all in one.
The plumber has suggested that 24kwh would be fine, but reading up on it now I'm not sure if that's the case? FWIW the house is well insulated with double glazing etc.
We're going with a Baxi Duotech and the 28kwh is around £100 more expensive than the kwh... is it worth the extra in this case?
Thanks!
0
Comments
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Combis are sized based on the DHW requirement, not on the CH requirement: any combi will provide adequate CH output.
Your RGI (not plumber) shouldn't suggest a size, he should do a proper site survey, flow test and pressure test (to ensure that a combi is even suitable), and then advise accordingly.No free lunch, and no free laptop
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What is the current source of heating/hot water?0
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Thank you, he is a RGI but didn't carry out those particular checks, but did assure us that a combi would be a good choice (we had a second, and third opinion in the form of different quotes who suggested the same thing)
The current source is a very (very!) old boiler and a hot water tank upstairs that we are removing0 -
If he didn't carry out the checks he isn't a very good RGI, this is basic stuff. A combi should be fine for your home, but if he didn't do the checks how does he know the 24kwh would be fine?0
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as mm said it's h/w flow rate not heating you need to worry about, if you have roof tanks a 24kw will be crap flow rates compaired to what you have now, although that is slightly different if your existing cylinder is a combination cylinder ?I'm only here while I wait for Corrie to start.
You get no BS from me & if I think you are wrong I WILL tell you.0 -
Thanks both, there isn't a water tank in the roof right now, but there is a power shower pump in a bedroom cupboard that he suggested we should take out once the new boiler is fitted0
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