Heat pumps and noise

aveatry · 2024-11-22T13:04:15+0000

Notch7 said:
good grief

Got any options or useful ideas to add to the conversation or is that it then. If that is all you have got then dont bother posting otherwise your posts are just trolling

aveatry · 2024-11-22T13:04:50+0000

carmanmemoranda said:
Ok. I'm off out to get the tinfoil

Got any options or useful ideas to add to the conversation or is that it then. If that is all you have got then dont bother posting otherwise your posts are just trolling

aveatry · 2024-11-22T13:08:16+0000

ajohn said:
The interesting aspect is this
Most heat pumps are designed to heat water (to run your central heating system) to 45-50°C and domestic hot water is used at 38-42°C.

Radiator systems have been designed to run at 80C but some may have been done for 60C. The lower the temperature the larger the radiator area needs to be. Water flow rates figure as well.

The pumps
Air source heat pumps are highly efficient heating systems, capable of producing more energy than they consume. The efficiency of an ASHP can be measured by its Coefficient of Performance (COP), which is the ratio of heat output to electrical input. A higher COP indicates a more efficient system.
Depending on conditions, ASHPs can achieve COPs of 2 to 4, meaning they produce 2 to 4 units of heat for every unit of electricity consumed. This high efficiency is due to the fact that the majority of the heat generated comes from the ambient air, a free and renewable energy source.

So if a uninsulated house is ok with 30kw output gas boiler would it be ok with a 15kw heat pump? I don't know but wonder. A house shown on the TV that had been converted appeared to have a hell of a lot new piping installed.

Yes I think the rads need to be much bigger the Gov will give you £7500 but that does not cover all the extra work need like new rads and pipes.

So question -- why are they not fitted as standard in all new builds where the extra fitting cost would be minimal -

denso13 · 2024-11-22T13:08:18+0000

carmanmemoranda said:
Ok. I'm off out to get the tinfoil

That's what "they" want you to do. The tinfoil manufacturers are in on it...

aveatry · 2024-11-22T13:11:00+0000

denso13 said:
That's what "they" want you to do. The tinfoil manufacturers are in on it...

Got any options or useful ideas to add to the conversation or is that it then. If that is all you have got then dont bother posting otherwise your posts are just trolling

ajohn · 2024-11-22T13:33:13+0000

aveatry said:
So question -- why are they not fitted as standard in all new builds where the extra fitting cost would be minimal -

Some have for a different reason - condensing boilers. Running at lower rad temps can be advantageous. Heat pumps are the new kids in the block.

New builds with heat pumps will be insulated as well as having them fitted. My interest and reason for mentioning the numbers is conventional builds = most of the houses in the country.

aveatry · 2024-11-22T13:52:53+0000

ajohn said:
Some have for a different reason - condensing boilers. Running at lower rad temps can be advantageous. Heat pumps are the new kids in the block.

New builds with heat pumps will be insulated as well as having them fitted. My interest and reason for mentioning the numbers is conventional builds = most of the houses in the country.

It doesn't make sense and will no work and the gov knows that, they juts like to be seen to be "doing" So full price including the necessary rad and pipe work around 12k -- to save £100 per year and that is by using the heating at times that you do not need it - its nonsense.

denso13 · 2024-11-22T14:10:42+0000

aveatry said:
to save £100 per year

It's not about saving costs, it's about saving the planet.

aveatry · 2024-11-22T14:18:52+0000

denso13 said:
It's not about saving costs, it's about saving the planet.

But that is not how the government is selling it to me - they are selling it on me saving money and having "clean heating"

denso13 · 2024-11-22T14:25:49+0000

aveatry said:
But that is not how the government is selling it to me - they are selling it on me saving money

Well there is a bit of a saving, but as you say, you need to take installation costs into it.

aveatry · 2024-11-22T14:48:56+0000

denso13 said:
Well there is a bit of a saving, but as you say, you need to take installation costs into it.

And that £100 saving is calculated --- " by using a smart tariff effectively" so basically that around £100 saving after spending £12,000 without the grant is for when you have the pump working at non peak times -- you know those peak times that you need the heating on --- ridiculous. Sounds like a scam- smells like a scam.

Ihavenojob · 2024-11-22T14:51:36+0000

ajohn said:
Radiator systems have been designed to run at 80C

It was a problem many years ago when people were mugged off into getting condensing boilers. They ran a bit cooler than traditional boilers, and if the old rads were only just enough with the old boiler, the difference was noticeable with a steamer.

Munroast · 2024-11-22T14:59:45+0000

probably be better off spending that 12 grand beefing up the house to withstand wind rain flood etc. no point in a fancy heating system if the roof blows off or you are up to your knees in flood.

climate change with all its horrors are on the way.

and at a government level they need to get on top of the immigration disaster that will enfold europe

ajohn · 2024-11-22T15:40:07+0000

denso13 said:
It's not about saving costs, it's about saving the planet.

Cost savings relate to cost of the fuel used - gas or electric. Green electric is now seen as the cheapest source, set to produce more,

The add on bits such as insulation, heating setting etc are factors that allow further savings. They help which ever fuel is used.

Ihavenojob · 2024-11-22T15:40:37+0000

Munroast said:
probably be better off spending that 12 grand

Building a fallout shelter and stocking up supplies.

Heat pumps and noise

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