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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Heating hot water in the summer
Which is cheaper - heating hot water in the summer with an immersion
heater on economy 7, or using the central heating boiler? What variables need to be taken into account? Keith |
#2
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Heating hot water in the summer
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Keefiedee saying something like: heating hot water in the summer It's already hot. |
#3
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Heating hot water in the summer
On Wed, 4 Feb 2009 22:35:16 -0800 (PST) someone who may be Keefiedee
wrote this:- Which is cheaper - heating hot water in the summer with an immersion heater on economy 7, or using the central heating boiler? What variables need to be taken into account? It depends. Is the cylinder insulated with sprayed on insulation? How long is the pipe run between boiler and cylinder? How old is the boiler? How good are the controls? Why not fit solar and get nearly all hot water in the summer from the sun? -- David Hansen, Edinburgh I will *always* explain revoked encryption keys, unless RIP prevents me http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54 |
#4
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Heating hot water in the summer
Keefiedee wrote:
Which is cheaper - heating hot water in the summer with an immersion heater on economy 7, or using the central heating boiler? What variables need to be taken into account? Keith Gas CH boiler normally. If you have a cast iron exchanger boiler and a long pipe run, immersion might beat it. NT |
#6
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Heating hot water in the summer
On Thu, 05 Feb 2009 08:22:46 +0000 someone who may be David Hansen
wrote this:- It depends. Is the cylinder insulated with sprayed on insulation? How long is the pipe run between boiler and cylinder? How old is the boiler? How good are the controls? Also, are the pipes between boiler and cylinder insulated? As others have said, what is the fuel? -- David Hansen, Edinburgh I will *always* explain revoked encryption keys, unless RIP prevents me http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54 |
#7
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Heating hot water in the summer
On Feb 5, 6:35*am, Keefiedee wrote:
Which is cheaper - heating hot water in the summer with an immersion heater on economy 7, or using the central heating boiler? *What variables need to be taken into account? Keith I remember calculating this back in 1987 and concluding that it was a little cheaper to use the economy 7 immersion heater at night than gas. but that electric heating at the day rate was more expensive than gas. However, I think now that gas is cheaper. R |
#8
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Heating hot water in the summer
Keefiedee wrote:
Which is cheaper - heating hot water in the summer with an immersion heater on economy 7, or using the central heating boiler? What variables need to be taken into account? Keith depnds on fuel prices. one litre of oil roughly equals ten kilowatt hours. |
#9
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Heating hot water in the summer
David Hansen wrote:
On Wed, 4 Feb 2009 22:35:16 -0800 (PST) someone who may be Keefiedee wrote this:- Which is cheaper - heating hot water in the summer with an immersion heater on economy 7, or using the central heating boiler? What variables need to be taken into account? It depends. Is the cylinder insulated with sprayed on insulation? How long is the pipe run between boiler and cylinder? How old is the boiler? How good are the controls? Why not fit solar and get nearly all hot water in the summer from the sun? cos its expensive and ugly, and teh payback period is at least fifteen years, by which time its clogged up and needs an expensive service? |
#11
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Heating hot water in the summer
On Thu, 05 Feb 2009 08:22:46 +0000, David Hansen wrote:
Why not fit solar and get nearly all hot water in the summer from the sun? Because you can probably save more money and energy spending the same amount of money on draughtproofing, insulation, better heating controls, a more efficient boiler even? -- John Stumbles You'll make some woman a fine husband, Dr Frankenstein |
#12
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Heating hot water in the summer
John Stumbles posted
On Thu, 05 Feb 2009 08:22:46 +0000, David Hansen wrote: Why not fit solar and get nearly all hot water in the summer from the sun? Because you can probably save more money and energy spending the same amount of money on draughtproofing, insulation, better heating controls, a more efficient boiler even? It'd be interesting to know the numbers. Is it possible to get dirt-cheap DIY-fittable solar heating panels, as it is with roof insulation? Or are you stuck with getting some cowboy to do it for ten grand? -- Les |
#13
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Heating hot water in the summer
Big Les Wade wrote:
John Stumbles posted On Thu, 05 Feb 2009 08:22:46 +0000, David Hansen wrote: Why not fit solar and get nearly all hot water in the summer from the sun? Because you can probably save more money and energy spending the same amount of money on draughtproofing, insulation, better heating controls, a more efficient boiler even? It'd be interesting to know the numbers. Is it possible to get dirt-cheap DIY-fittable solar heating panels, as it is with roof insulation? Or are you stuck with getting some cowboy to do it for ten grand? My silly father in law fitted two and a half grand of solar panels with fancy meters and all. He thinks its fine. The fancy sales blurb said 'up to half off your heating bills'. Then lower down in teh small print it gave the best case solar output, which equated at 100% efficiency to £165 a year worth of electricity or oil' A net ROI of about 5%. At 100% efficiency. Right. I fact I suspect it's less than half that. Now also consider that ter have been well document caes of thse pabnles going wrong and clogging after a couple of years. Lichen dirt and crap can cover them. If not well installed they can scale up. Pumps can and do fail. If they are pumped..and how much electricity does the pump use? Inshort, a complete and utter waste of money. I get loads of solar power here. I draw the curtains in the living room on sunny days. generally the room temp leaps by up to 2 degrees in winter..nearer 5 in summer. Cost me NOTHING to install. In our climate solar power is a total utter and complete CON. california or greece maybe..not here. |
#14
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Heating hot water in the summer
In article , Big Les Wade wrote:
It'd be interesting to know the numbers. Is it possible to get dirt-cheap DIY-fittable solar heating panels At the lower extreme there are people who have made their own from scrap. (Efficiency is lower than decent purpose made stuff, obviously, but so is cost.) You can get DIY kits too. Fitting it safely to a roof can be non-trivial though. There are also plastic panels which are cheap(ish) but only good for lower temperatures - but might be fine for an outdoor swimming pool if you have the area for them. |
#15
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Heating hot water in the summer
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember The Natural Philosopher saying something like: In our climate solar power is a total utter and complete CON. Utter cock. You keep trotting this old ****e out and totally ignoring the diy aspect of it. DIY solar works very well and that's what the question related to. If you've nothing constructive to add, just **** off. |
#16
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Heating hot water in the summer
Grimly Curmudgeon wrote:
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember The Natural Philosopher saying something like: In our climate solar power is a total utter and complete CON. Utter cock. You keep trotting this old ****e out and totally ignoring the diy aspect of it. DIY solar works very well and that's what the question related to. Well if you wantto commit to a **** load of plumbing and =several dys laboutr to rean less than you could've laboring for someone else, be my guest. If you've nothing constructive to add, just **** off. And precisely what constructive ideas have you contributed with this post? Its not MY fault if you've been conned. Don't shoot the messenger |
#17
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Heating hot water in the summer
On 6 Feb 2009 23:58:56 GMT someone who may be John Stumbles
wrote this:- Why not fit solar and get nearly all hot water in the summer from the sun? Because you can probably save more money and energy spending the same amount of money on draughtproofing, insulation, better heating controls, a more efficient boiler even? As I have said many times, passive measures like insulation should always be undertaken before considering a gadget to "make" energy. I could have a boilerplate piece of text to that effect, but someone would no-doubt complain about that. -- David Hansen, Edinburgh I will *always* explain revoked encryption keys, unless RIP prevents me http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54 |
#18
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Heating hot water in the summer
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember The Natural Philosopher saying something like: If you've nothing constructive to add, just **** off. And precisely what constructive ideas have you contributed with this post? At least the OP now has an idea that it can be done by himself. All he needs to do now is drive google for ten seconds. |
#19
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Heating hot water in the summer
"The Natural Philosopher" wrote in message ... In our climate solar power is a total utter and complete CON. That is so wrong. DIYed DHW solar is cost effective. All the heat you get is for free. As fuel prices go up, the payback period shortens dramatically. |
#20
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Heating hot water in the summer
"The Natural Philosopher" wrote in message ... If you've nothing constructive to add, just **** off. And precisely what constructive ideas have you contributed with this post? He told you to eff off which is constructive enough. |
#21
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Heating hot water in the summer
Grimly Curmudgeon posted
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember The Natural Philosopher saying something like: If you've nothing constructive to add, just **** off. And precisely what constructive ideas have you contributed with this post? At least the OP now has an idea that it can be done by himself. All he needs to do now is drive google for ten seconds. What terms should I search on? -- Les If people know by taking part in protests there is a danger of being searched, they should think about not putting themselves in that position. |
#22
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Heating hot water in the summer
Big Les Wade wrote:
Grimly Curmudgeon posted We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember The Natural Philosopher saying something like: If you've nothing constructive to add, just **** off. And precisely what constructive ideas have you contributed with this post? At least the OP now has an idea that it can be done by himself. All he needs to do now is drive google for ten seconds. What terms should I search on? try 'green****' and 'ecobollox' and 'how I spent a monthn and 500 quid on diesel raiding scrap yards and constructing an unreliable ugly piece of **** that saved me 25 quid a year till it broke' |
#23
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Heating hot water in the summer
On Sun, 8 Feb 2009 13:26:56 +0000 someone who may be Big Les Wade
wrote this:- At least the OP now has an idea that it can be done by himself. All he needs to do now is drive google for ten seconds. What terms should I search on? That is up to you. However, a little effort on your part should fairly rapidly lead you to http://www.navitron.org.uk, which is one place where you will find various bits that may be of advantage in doing a DIY installation. -- David Hansen, Edinburgh I will *always* explain revoked encryption keys, unless RIP prevents me http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54 |
#24
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Heating hot water in the summer
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Big Les Wade saying something like: At least the OP now has an idea that it can be done by himself. All he needs to do now is drive google for ten seconds. What terms should I search on? "diy solar heating" Enjoy; you'll be there for ages, leafing through the things people have done - it actually works and sometimes bloody well. The key is to diy - commercial kits and installs don't make financial sense. |
#25
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Heating hot water in the summer
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember The Natural Philosopher saying something like: try 'green****' and 'ecobollox' and 'how I spent a monthn and 500 quid on diesel raiding scrap yards and constructing an unreliable ugly piece of **** that saved me 25 quid a year till it broke' Bitter little man. |
#26
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Heating hot water in the summer
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Big Les Wade saying something like: What terms should I search on? Another one to add to your search is www.homepower.com and ignore the lentil tendency - the back issues are full of practical tried and tested installations done by contributors, many of whom live at a similar latitude to us. A sometimes useful newsgroup is alt.energy.homepower - there are lots of links in some contributors' sigs and a simple question along the lines of what you asked here will get you many replies, but do a google search first on it - it's definitely an FAQ. |
#27
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Heating hot water in the summer
In article , Big Les Wade wrote:
Grimly Curmudgeon posted We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember The Natural Philosopher saying something like: If you've nothing constructive to add, just **** off. And precisely what constructive ideas have you contributed with this post? At least the OP now has an idea that it can be done by himself. All he needs to do now is drive google for ten seconds. What terms should I search on? To find DIY solar panels? Why not try "DIY solar panels"? |
#28
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Heating hot water in the summer
Grimly Curmudgeon wrote:
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember The Natural Philosopher saying something like: try 'green****' and 'ecobollox' and 'how I spent a monthn and 500 quid on diesel raiding scrap yards and constructing an unreliable ugly piece of **** that saved me 25 quid a year till it broke' Bitter little man. Not bitter, realistic. |
#29
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Heating hot water in the summer
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember The Natural Philosopher saying something like: Not bitter, realistic. I don't disagree with you about the snake oil that is sold commercially, but you throw the brat out with the bathwater when you dismiss out of hand the very real gains to be had if it's done by oneself, as is supposed to be what this group is about. |
#30
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Heating hot water in the summer
Grimly Curmudgeon wrote:
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember The Natural Philosopher saying something like: Not bitter, realistic. I don't disagree with you about the snake oil that is sold commercially, but you throw the brat out with the bathwater when you dismiss out of hand the very real gains to be had if it's done by oneself, as is supposed to be what this group is about. Well I thought this group was more about saving yourself money and/or doing a better job than the professional to get an overall useful solution. I can make and electric motor with two nails, a horseshoe magnet and a but of insulated wire as well, but I don't expect it to do anything USEFUL. Or insulate my house by stuffing newspapers in the cavities.. |
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