| Heat Pumps and house insulation 09:39 - Oct 28 with 3387 views | Mullet |
Anyone here in the trade? I'm considering getting a heat pump to replace the gas boiler, ads suggest there's big government grants, it'll cost about £4k instead of £11k etc. But also, that bills go down on average of £20 a month, so they take approx 20 years to pay for themselves.
Likewise, I'm thinking of cavity wall insulation, either adding it, or replacing depending on what the survey comes back with. New loft insulation etc to make the new house as green and bills as low as possible.
Anyone done these sort of things and found they were worth it? |  |
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| Heat Pumps and house insulation on 16:16 - Oct 28 with 947 views | BlueBadger |
| Heat Pumps and house insulation on 15:54 - Oct 28 by blueoutlook |
They are a load of cr@p complete waste of money. One big con. Miliband is p!ssing himself. |
Shouldn't you be busying yourself writing on some tennis balls? |  |
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| Heat Pumps and house insulation on 19:29 - Oct 28 with 851 views | BlueForYou |
I was in this business prior to retirement. It's a very interesting but tricky prospect for anyone with an older property looking to upgrade. You really need a very experienced & well qualified engineer on your side here. Heat pumps work well with an underfloor htg set up, but you still need to heat up a hot water cylinder to the required temp. Plus an older property needing radiators will need repiping & new larger radiators. Then there is insulation, which if not installed correctly leads to insufficient air changes which then causes damp & mould. This can be resolved by installing a heat recovery system. It all adds up to a very expensive refurbishment, taking into account the associated building works. You're a brave man if you take this on, & I admire you if you do. I was involved during the very early years of this. Heat geek are very good, but are 100% focused on heat pump technology & I'm not sure they give a balanced opinion. So it's a huge undertaking & a tough decision. If you first prepare the structure correctly, with good correctly installed installed insulation with the correct ventilation, then Heat Pumps will succeed. You might total up the cost & think why don't I just move somewhere else? Hope I haven't burst any bubbles, just laying it out from a trade perspective. [Post edited 28 Oct 19:31]
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| Heat Pumps and house insulation on 19:54 - Oct 28 with 816 views | Mullet |
| Heat Pumps and house insulation on 19:29 - Oct 28 by BlueForYou |
I was in this business prior to retirement. It's a very interesting but tricky prospect for anyone with an older property looking to upgrade. You really need a very experienced & well qualified engineer on your side here. Heat pumps work well with an underfloor htg set up, but you still need to heat up a hot water cylinder to the required temp. Plus an older property needing radiators will need repiping & new larger radiators. Then there is insulation, which if not installed correctly leads to insufficient air changes which then causes damp & mould. This can be resolved by installing a heat recovery system. It all adds up to a very expensive refurbishment, taking into account the associated building works. You're a brave man if you take this on, & I admire you if you do. I was involved during the very early years of this. Heat geek are very good, but are 100% focused on heat pump technology & I'm not sure they give a balanced opinion. So it's a huge undertaking & a tough decision. If you first prepare the structure correctly, with good correctly installed installed insulation with the correct ventilation, then Heat Pumps will succeed. You might total up the cost & think why don't I just move somewhere else? Hope I haven't burst any bubbles, just laying it out from a trade perspective. [Post edited 28 Oct 19:31]
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No that's absolutely perfect, and the type of thing I need to know. I can't afford a new build round here that won't be made out of paper etc. So the idea of somewhere that has an energy rating of a D, taking it to a B or whatever appeals. | |
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| Heat Pumps and house insulation on 20:16 - Oct 28 with 794 views | BlueForYou |
| Heat Pumps and house insulation on 19:54 - Oct 28 by Mullet |
No that's absolutely perfect, and the type of thing I need to know. I can't afford a new build round here that won't be made out of paper etc. So the idea of somewhere that has an energy rating of a D, taking it to a B or whatever appeals. |
Happy to help! Might not agree on politics, but I know you're a good solid Town fan, that's all that matters! Wish you good honest luck & hope it works for you.
Edit..... Forgot to add that your Hot Water Cylinder can be fed by Solar, which is a relatively straight forward job. [Post edited 28 Oct 20:31]
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| Heat Pumps and house insulation on 23:06 - Oct 28 with 734 views | naa |
I had a heat pump installed into a 100 year old property nearly two years ago. I'd already got cavity wall insulation and I improved the loft insulation beforehand.
I have solar and a small battery system too (7.2kwh).
The installers did improve a few radiators, but not all of them.
So far it's worked really well. Definitely worked out cheaper though I do charge the batteries at low rate, so not sure how much I'd have saved just using normal electricity rates. Not much I suspect.
In the summer the solar covers all the hot water.
The unit itself is quiet. Inside you can't hear it except on the coldest days and even then it isn't loud.
I paid about £3.8k all in. Not much more than a new boiler. |  | | |
| Heat Pumps and house insulation on 04:30 - Oct 29 with 683 views | bluelagos |
3 more questions for those in the know...
Is a heat pump better in terms of carbon footprint vs solar panels on your roof and electric heating?
With all the additional insulation does that mean your house gets over hot during the hot spells?
Is there a market/value in stealing them? If so, are they easy to secure to prevent theft?
Thanks in advance |  |
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| Heat Pumps and house insulation on 08:13 - Oct 29 with 602 views | lowhouseblue |
| Heat Pumps and house insulation on 04:30 - Oct 29 by bluelagos |
3 more questions for those in the know...
Is a heat pump better in terms of carbon footprint vs solar panels on your roof and electric heating?
With all the additional insulation does that mean your house gets over hot during the hot spells?
Is there a market/value in stealing them? If so, are they easy to secure to prevent theft?
Thanks in advance |
my understanding is that heat pumps produce more heat per unit of electricity than electric heating. so the excess electricity over that produced by your solar that you need to import will be greater with electric heating. in terms of carbon footprint it then depends on the generation mix of your electricity supplier.
in terms of over heating due to extra insulation that can be an issue when your insulation doesn't also provide thermal mass. thermal mass is great for stabilising temperature in the summer. without it you need to design in ventilation and shading* to move out the hot air and bring cool air from a shaded north side.
* i've used brise soleil on south facing windows which are incredibly effective at avoiding summer solar gain. [Post edited 29 Oct 8:17]
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| And so as the loose-bowelled pigeon of time swoops low over the unsuspecting tourist of destiny, and the flatulent skunk of fate wanders into the air-conditioning system of eternity, I notice it's the end of the show |
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| Heat Pumps and house insulation on 08:17 - Oct 29 with 592 views | Herbivore |
| Heat Pumps and house insulation on 04:30 - Oct 29 by bluelagos |
3 more questions for those in the know...
Is a heat pump better in terms of carbon footprint vs solar panels on your roof and electric heating?
With all the additional insulation does that mean your house gets over hot during the hot spells?
Is there a market/value in stealing them? If so, are they easy to secure to prevent theft?
Thanks in advance |
Lowers has answered your first two questions. The final one, I'd very much doubt there's a market for nicking them. It's a whole system rather than just the unit, the unit on its own isn't much good and there are parts of the system that are internal (the hot water cylinder plus a few other bits). They'd also be a nightmare to try and nick logistically, lots of pipes and wires to contend with as well as the size of the unit, which isn't small. I can't imagine the resale value is high enough to make it worthwhile. I certainly can't recall hearing any stories of heat pump thefts. |  |
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| Heat Pumps and house insulation on 12:05 - Oct 29 with 507 views | naa |
| Heat Pumps and house insulation on 04:30 - Oct 29 by bluelagos |
3 more questions for those in the know...
Is a heat pump better in terms of carbon footprint vs solar panels on your roof and electric heating?
With all the additional insulation does that mean your house gets over hot during the hot spells?
Is there a market/value in stealing them? If so, are they easy to secure to prevent theft?
Thanks in advance |
Heat pump is around 350% efficient (as it takes heat from the air), other forms of heating are 100% max.
Solar won't make much difference for heating as you need it in winter when solar produces very little (some days I get 100wh in winter, compared to 22kwh in summer).
As a heat pump is electric anyway you' re best with solar (and batteries) and a heat pump over any other form of heating.
Insulation can keep heat out as well as in so it can help in the summer.
It is possible to get an air-to-air heat pump which is capable of blowing hot in winter and cold in summer. But they are only good for about 4 rooms per unit and not covered by the Gov grant (though that is due to change I believe). | | | |
| Heat Pumps and house insulation on 12:49 - Oct 29 with 487 views | RIPbobby |
I would be keen to get a new boiler installed. It would cost you a fraction of the cost and they are very much still in the framework. You might think you are saving the planet, but you are not. If every person you have ever spoken to and every person they have ever spoken to had lead the perfect life energy wise it would still make no difference.
You cannot make a difference. Live for the moment my friend. |  | | |
| Heat Pumps and house insulation on 12:51 - Oct 29 with 484 views | Herbivore |
| Heat Pumps and house insulation on 12:49 - Oct 29 by RIPbobby |
I would be keen to get a new boiler installed. It would cost you a fraction of the cost and they are very much still in the framework. You might think you are saving the planet, but you are not. If every person you have ever spoken to and every person they have ever spoken to had lead the perfect life energy wise it would still make no difference.
You cannot make a difference. Live for the moment my friend. |
This post is daft in so many ways. | |
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| Heat Pumps and house insulation on 16:14 - Oct 29 with 378 views | RIPbobby |
| Heat Pumps and house insulation on 12:51 - Oct 29 by Herbivore |
This post is daft in so many ways. |
If that is how you feel my friend then there is no hope for you. Keep doing what you are told to do and you will remain happy in your existence. Simple as that. | | | |
| Heat Pumps and house insulation on 16:33 - Oct 29 with 347 views | Herbivore |
| Heat Pumps and house insulation on 16:14 - Oct 29 by RIPbobby |
If that is how you feel my friend then there is no hope for you. Keep doing what you are told to do and you will remain happy in your existence. Simple as that. |
That doesn't make much more sense than your previous post. | |
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| Heat Pumps and house insulation on 16:53 - Oct 29 with 329 views | RIPbobby |
| Heat Pumps and house insulation on 16:33 - Oct 29 by Herbivore |
That doesn't make much more sense than your previous post. |
Sorry Herbi it sounded like I was being rude to you in my reply. I am not. We have 2 very differing opinions and I suppose it would take pages and pages or text to put our points across with crystal clarity and we do not have the time in our lives to do that.
Sorry for my view being different, but the last thing I want is to create issues for anyone. Peace friend. | | | |
| Heat Pumps and house insulation on 08:20 - Oct 30 with 241 views | naa |
| Heat Pumps and house insulation on 16:53 - Oct 29 by RIPbobby |
Sorry Herbi it sounded like I was being rude to you in my reply. I am not. We have 2 very differing opinions and I suppose it would take pages and pages or text to put our points across with crystal clarity and we do not have the time in our lives to do that.
Sorry for my view being different, but the last thing I want is to create issues for anyone. Peace friend. |
As several on this thread have pointed out, heat pumps can cost a similar price to a new boiler (including getting some nice new radiators). They can also work out cheaper than a gas boiler to run.
So, if that's the case, the first point you make would appear to be incorrect.
The second, sadly, is the kind of attitude that means nothing ever changes or gets better as everyone just assumes there's no point.
In my opinion that's a pretty sad way of living. | | | |
| Heat Pumps and house insulation on 20:56 - Oct 30 with 184 views | Durovigutum |
| Heat Pumps and house insulation on 08:20 - Oct 30 by naa |
As several on this thread have pointed out, heat pumps can cost a similar price to a new boiler (including getting some nice new radiators). They can also work out cheaper than a gas boiler to run.
So, if that's the case, the first point you make would appear to be incorrect.
The second, sadly, is the kind of attitude that means nothing ever changes or gets better as everyone just assumes there's no point.
In my opinion that's a pretty sad way of living. |
I have a 1981 built house, triple glazed with cavity wall insulation fitted when the house was built but with microbore pipes and screed concrete floors. I have solar and batteries. I had a quote of £28,000 after grant to air to water heat pump my house - my boiler was not yet 3 years old. I bought an EV to “green” myself instead. I will have to go air to air heat pump, for now I’m waiting to see if that grant criteria is changed. |  | | |
| Heat Pumps and house insulation on 21:19 - Oct 30 with 169 views | Herbivore |
| Heat Pumps and house insulation on 20:56 - Oct 30 by Durovigutum |
I have a 1981 built house, triple glazed with cavity wall insulation fitted when the house was built but with microbore pipes and screed concrete floors. I have solar and batteries. I had a quote of £28,000 after grant to air to water heat pump my house - my boiler was not yet 3 years old. I bought an EV to “green” myself instead. I will have to go air to air heat pump, for now I’m waiting to see if that grant criteria is changed. |
Your quote was over £35k before the grant? That's absolute madness. | |
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| Heat Pumps and house insulation on 09:46 - Oct 31 with 62 views | longtimefan |
| Heat Pumps and house insulation on 20:56 - Oct 30 by Durovigutum |
I have a 1981 built house, triple glazed with cavity wall insulation fitted when the house was built but with microbore pipes and screed concrete floors. I have solar and batteries. I had a quote of £28,000 after grant to air to water heat pump my house - my boiler was not yet 3 years old. I bought an EV to “green” myself instead. I will have to go air to air heat pump, for now I’m waiting to see if that grant criteria is changed. |
"with microbore pipes and screed concrete floors"
Sounds much like my house. Although I've not sought any quotes, I'd imagine that with 14 radiators in the house that the cost of work to remove the microbore piping and replace with sensible sized stuff, and probably new radiators too, would be pretty prohibitive. By way of contrast, replacing my 20 year old boiler 5 years ago cost around £2K. | | | |
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