Hi
Would be grateful for your opinion on which option I should go for.

Buying old house ewith very old LPG heating boiler which needs replacing.

1) should I replace with condensing LPG and what is the average cost of
boiler or

2) as I am changing and moving boiler position would it be cheaper in long
run to replace with an oil fired system.

What is the average running costs of both systems?

Thanks for any advice.
Haydn

Would be grateful for your opinion on which option I should go for.

Oil.

Christian.

Christian McArdle wrote:
Would be grateful for your opinion on which option I should go for.

Oil.

I love oil as a fuel. The boiler was easy to install, and is easy to
service. The fuel is safe to handle, and cheaper than gas.


--
Grunff

Huj wrote:
Would be grateful for your opinion on which option I should go for.

Oil.


Buying old house ewith very old LPG heating boiler which needs replacing.

1) should I replace with condensing LPG and what is the average cost of
boiler or

2) as I am changing and moving boiler position would it be cheaper in long
run to replace with an oil fired system.

Oil is cheaper. You'll have to have a tank (and associated)
installed, though.


What is the average running costs of both systems?

https://www.energyefficiency.powerge...mpareCosts.htm

What is the average running costs of both systems?

https://www.energyefficiency.powerge...mpareCosts.htm

According to that, Oil is only £1 more per year then mains gas - this was in
2003

With the recent price hike in gas, would oil be a better choice over all?

Are the installation and maintenance of oil boilers more then gas?
How about the cost of installing a tank and any maintenance required?
Costs of delivery for the oil?

Sparks...

Are the installation and maintenance of oil boilers more then gas?
How about the cost of installing a tank and any maintenance required?

Yes, capital costs are higher. Mainly due to the tank, although the boilers
can be a bit more pricey, too.

Christian.

"Christian McArdle" wrote in message
.. .
Are the installation and maintenance of oil boilers more then gas?
How about the cost of installing a tank and any maintenance required?

Yes, capital costs are higher. Mainly due to the tank, although the
boilers
can be a bit more pricey, too.

.....and large too. Although they do have outside models, and the combi
versions tend to have a small thermal store inside (sometime quite larges
stores too) as the burners are slow in responding. Hence the flowrate of
oil combi boilers can be quite pleasing. So, one of these installed outside
can eliminate tanks and cylinders, and have "no" major heating and water
appliances in the house.

"Huj" wrote in message
...
Hi
Would be grateful for your opinion on which option I should go for.

Buying old house ewith very old LPG heating boiler which needs replacing.

1) should I replace with condensing LPG and what is the average cost of
boiler or

2) as I am changing and moving boiler position would it be cheaper in long
run to replace with an oil fired system.

What is the average running costs of both systems?

Haydn,

LPG is more expensive than oil, but all maybe not lost. Zenex, has
introduced a "top box" that fits on a condensing boiler's flue. Out of the
boiler into the box and out again to outside. The return pipe pass through
the top-box and out to the boilers return. This appears a big "leap" in
making condensers more efficient.

They announced it pre-Xmas, but now it is on sale.
http://www.zenexenergy.com/downloads/HVR10-REPRINT.pdf
http://www.zenexenergy.com/

Buy he
http://www.discountedheating.co.uk/s...Gas_Saver.html

It extracts even more latent heat from the flue of a condensing boiler.
They claim, with some independent validation, that a "condensing" boiler can
save 30% of its heating bills. There are no moving parts.

They claim that a combi can deliver 50% more water flow for the same input -
so a 12 litres per min job will be 18 litres, a big hype that fills a bath
pretty fast instead of a leisurely fill.

They are developing a 15kW combi that delivers 12 litres/min - a little
better than the average combi around. 12 litres is normally only achieved
by a 28kW boiler. So, at 15Kw it is not oversized for the CH in flats, and
the case size can be kept down.

They plan a box for a non-condensing boilers too, that will bring
non-condenser into condensing territory.

They claim the price will fall from £595 as production gears up. If it get
to half, and it does what they say, then this can save a lot of fuel, the
bigger the house the more fuel saved.

The versions may be suitable for LPG boilers - check it out. This top-box
may well make an LPG boiler equal, or better, than an oil boiler to run and
with £600 on top probably still lower capital costs of installation than oil
too. Worth assessing.

"Doctor Drivel" wrote in message
reenews.net...

It extracts even more latent heat from the flue of a condensing boiler.
They claim, with some independent validation, that a "condensing" boiler
can save 30% of its heating bills. There are no moving parts.

They claim that a combi can deliver 50% more water flow for the same
input - so a 12 litres per min job will be 18 litres, a big hype that
fills a bath pretty fast instead of a leisurely fill.

As a condensing boiler is supposed to be 90+% efficient how can they extract
another 30% from the waste?
Maybe they are lying, maybe the boiler manufacturers are lying, but they
can't both be true.

"dennis@home" wrote in message
. uk...

"Doctor Drivel" wrote in message
reenews.net...

It extracts even more latent heat from the flue of a condensing boiler.
They claim, with some independent validation, that a "condensing" boiler
can save 30% of its heating bills. There are no moving parts.

They claim that a combi can deliver 50% more water flow for the same
input - so a 12 litres per min job will be 18 litres, a big hype that
fills a bath pretty fast instead of a leisurely fill.

As a condensing boiler is supposed to be 90+% efficient how can they
extract another 30% from the waste?

There is:
Sensible heat (from the flames)
Latent heat(from the flues gasses).

30% extra from the latent heat? The article does say 30% more efficient.
The editor of HVR magazien says in his leader:

"the product independently tested by GasTec and it offers DHW improvements
of more than 30% when compared with ordinary SEEDBUK A-rated boilers.
Forget all this energy rating stuff, anyone who offers me a saving of 30% of
my heating bill is OK in my book, especially as British Gas has just put up
its prices again." "I believe that this is, for now, the closest to a
quantum leap".

BTW, the condensing range currently goes up to 109%. The 100% range only
takes in account senible heat.

Maybe they are lying, maybe the boiler manufacturers are lying, but they
can't both be true.

Viessmann collaborated with them on a job in Plymouth. A company like them
does not chase lost causes or pseudo engineering.

"Doctor Drivel" wrote in message
reenews.net...

Viessmann collaborated with them on a job in Plymouth. A company like them
does not chase lost causes or pseudo engineering.


No but they claim to be able to alter the rules of physics.
Maybe they will be doing cold fusion or zero point energy soon?


If you do actually condense the water out of the flu in the boiler then
there just isn't 30% of the energy left in the flu gas, it isn't hot enough.
So either condensing boilers don't work or the secondary heat exchanger
doesn't get anywhere near 30%, its simple really.

Its probably a made up figure..

say..

in the middle of winter you have the heating on 24hrs a day then you get
enough heat out of the system to save you 30% of the little bit used for the
DHW and not 30% of the total.

You probably save a lot more if you have a heat exchanger on you air
ventilation.

"dennis@home" wrote in message
...

"Doctor Drivel" wrote in message
reenews.net...

Viessmann collaborated with them on a job in Plymouth. A company like
them does not chase lost causes or pseudo engineering.

No but they claim to be able to alter the rules of physics. Maybe they
will be doing cold fusion or zero point energy soon?

I hope so.

If you do actually condense the water out of the flu in the boiler then
there just isn't 30% of the energy left in the flu gas, it isn't hot
enough.
So either condensing boilers don't work or the secondary heat exchanger
doesn't get anywhere near 30%, its simple really.

Its probably a made up figure..

They claim independent confirmation by GasTec in Holland.

say..

in the middle of winter you have the heating on 24hrs a day then you get
enough heat out of the system to save you 30% of the little bit used for
the DHW and not 30% of the total.

The 30% is 30% of the total. The flow and return pipes run through it.

You probably save a lot more if you have a heat exchanger on you air
ventilation.