Choosing the right boiler + heating system advice.

psd99

psd99

psd99

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Joined
7 Sep 2008
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Hi OCUK people,

The property I live in has what I would consider an "old" type of heating system. I have an oil fired boiler and a few times a year I have to buy heating oil to fill the big tank at the back of the garden.

The boiler itself is fairly new but the radiators are very old like 20 years plus. I'd expect the piping to be old not copper piping etc. I also have an immersion heater installed in one of the bedrooms.

The heating does take a while to warm up, on average around 1 hour. There are many cold spots in the house and it does annoy me during the cold winter months.

Last year I decided to get a gas connection fitted into the property, but it is not live yet.

I'm seriously considering changing all of the system to a gas fired boiler but I am unsure of which type of boiler to go for.

I've had a look here: https://www.worcester-bosch.co.uk/products/boilers/explained

Does anyone have any tips/points or suggestions on this matter? How much am I looking at roughly based in the London area to get such a heating system installed + new radiators
(I know this will be expensive no doubt)
 
Do you have a need for multiple places running water at the same time regularly? Eg, 2 bathrooms used at the same time.

If yes, then go for a system setup, if not, then a combi boiler will be fine.
 
kindai said:
Do you have a need for multiple places running water at the same time regularly? Eg, 2 bathrooms used at the same time.

If yes, then go for a system setup, if not, then a combi boiler will be fine.
Click to expand...

Yes we got a bathroom upstairs and there is a toilet downstairs
but in the long run if we extend the house then yes

system setup looks more better long run
 
Whatever happens, don't get Vokera.
The agency which I am renting the house from has replaced the old ancient boiler (which actually worked perfectly without a single problem) with a new one from Vokera and it has never worked fine ever since. They've been to repair it about 7 times in the last year or so and it's still not working as it should. Garbage.
 
I've just had a Logic+ 24kW combi fitted in my place (3 bed, 1 bathroom and a cloakroom) and it's great. More than enough for our house and a 7 year parts & labour warranty.
 
Logic+ 30 in the rental house, worcester bosch in mine.

Both decent but the logic plus comes with 7yr warranty as opposed to 5 for the worcester. I'd definitely recommend the logic plus.
 
If i was putting a new heating system in these day, i would 100% go for a heat pump. Especially the renewable heat incentive. We just installed one on a house with parts of it dating back to the 1600s. Putting the pipe work through 3ft walls was interesting! They dont make houses like they used to :D
 
Look at what your water pressure is and look at the maximum flow rate of the boiler. The most important thing for me is a very strong shower so get the highest you can!!
 
Kimi said:
If i was putting a new heating system in these day, i would 100% go for a heat pump. Especially the renewable heat incentive. We just installed one on a house with parts of it dating back to the 1600s. Putting the pipe work through 3ft walls was interesting! They dont make houses like they used to :D
Click to expand...
Can I ask was it air source or ground source?

Is it driving traditional radiators or under floor heating?
I was under the impression the cost was high does the renewable heat incentive make it competitive?
 
Kimi said:
If i was putting a new heating system in these day, i would 100% go for a heat pump. Especially the renewable heat incentive. We just installed one on a house with parts of it dating back to the 1600s. Putting the pipe work through 3ft walls was interesting! They dont make houses like they used to :D
Click to expand...

Ground source or air? How much did it come to?
 
PlacidCasual said:
Can I ask was it air source or ground source?

Is it driving traditional radiators or under floor heating?
I was under the impression the cost was high does the renewable heat incentive make it competitive?
Click to expand...

That particular one was an air source with traditional radiators, they already had radiators but we replaced them for new because they were to small/old and not sufficient for the heat output required.

The renewable heat incentive is extremely competitive for heat pumps. It runs for 7 years and 99% of the time you will get 100%+ of the money back from the installation whilst also benefiting from cheaper heating during that period and forever after.

The renewable heat incentive is so good that we've even had some people who have had their current heat pumps replaced for new ones even tho they were working fine, just to get the RHI.

Ive got a 2 year old combi boiler in my house ive just moved into, works perfectly but im going to take it out and install an air source heat pump.
 
What sort of electricity to heat ratio are you getting with radiators on an air source heat pump? I've heard 1:4 bandied around for ground source on 35-38°C under floor heating?
 
Kimi said:
If i was putting a new heating system in these day, i would 100% go for a heat pump. Especially the renewable heat incentive. We just installed one on a house with parts of it dating back to the 1600s. Putting the pipe work through 3ft walls was interesting! They dont make houses like they used to :D
Click to expand...

a heat what!?: and what incentive? :confused::confused::confused:
 
PlacidCasual said:
What sort of electricity to heat ratio are you getting with radiators on an air source heat pump? I've heard 1:4 bandied around for ground source on 35-38°C under floor heating?
Click to expand...

It depends on the flow temperature but usually for an air source its around 3.6, so thats 3.6kw of heat for every 1kw of electricity used to produce it, for ground source it starts at 4.


Not many people have heard of the Renewable Heat Incentive.
Think of it as the new solar panels.

https://www.ofgem.gov.uk/environmen...c-renewable-heat-incentive/about-domestic-rhi

People who join the scheme and stick to its rules receive quarterly payments for seven years for the amount of clean, green renewable heat it’s estimated their system produces.
Click to expand...
 
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