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Groups > comp.sys.acorn.misc > #3684
| From | workstuff@mail.com |
|---|---|
| Newsgroups | comp.sys.acorn.misc |
| Subject | Re: Electric heating: was ARM embedded stuff |
| Date | 2012-02-18 14:11 +0100 |
| Organization | Home |
| Message-ID | <da41756352.news@mistymornings.net> (permalink) |
| References | (7 earlier) <71d0616252.barrygray@virginmedia.com> <526263e638dave@davenoise.co.uk> <almarsoft.6808555215457365799@news.orange.fr> <d574f76252.barrygray@virginmedia.com> <d3F*4K8Zt@news.chiark.greenend.org.uk> |
In message <d3F*4K8Zt@news.chiark.greenend.org.uk>
Theo Markettos <theom+news@chiark.greenend.org.uk> wrote:
> Barry Gray <barrygray@blueyonder.co.uk> wrote:
> > If you include repairs and maintenance electric storage heating is
> > already cheaper: if you look at the way in which gas and electricity
> > prices are changing, in the future it will be /much/ cheaper; if you
> > look at the increasing vulnerability of our gas supplies to
> > international events it will be much more reliable; whether we go down
> > the wind or nuclear path to reduce our carbon emissions it is the most
> > environmentally friendly form of heating.
The environmental impact of electricity generation varies dramatically.
Is a coal fired power station more environmentally friendly than having
a gas central heating system?
Neither is there such a thing as impact free electricity generation.
Even small hydro-electric systems can irrevocably change the nature of
rivers, cost a lot of CO2 to create and produce lots of dust during the
construction phase. Some of the side effects of wind power have been
mentioned and UK wind farms are reckoned to run at around 25%
efficiency.
http://www.theregister.co.uk/2011/04/07/wind_power_actually_25_per_cent/
>
> One alternative to electric heating is heat pumps, either ground source or
> air source. Efficiency is of the order of 3-4x that of electric heating -
> ie for 1kWh of electricity in you get 3-4kWh of heat out, which makes the
> price roughly comparable with gas.
In the case of air to air/air to fluid the efficiency drops until you
get down to about -20'c when efficiency is about 1:1. Newer models are
better in that respect but there are limits with all air based heat pump
systems. The other disadvantage is that you need electricity for them to
work.
A wood burning stove works fine even in power cuts and can be used to
provide hot water for domestic use and central heating systems.
> Obviously there's an installation and maintenance cost, but the
> technology is similar to a domestic fridge and those can work for
> decades without servicing (though heat pumps are in a more hostile
> environment, perhaps more comparable with air conditioning).
>
We would consider a heat pump if we were to buy a house here. However,
priorities would go to an AGA like wood burning stove.
I also like the idea of buying some forest and building a CHP unit based
on a recycled car engine running on wood gas.
Regards
Stan
--
An Iyonix and a Beagleboard xM in Buskerud.
http://mistymornings.net
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ARM embedded stuff davehigton <davehigton14@googlemail.com> - 2012-02-03 01:19 -0800
Re: ARM embedded stuff Alexander Ausserstorfer <bavariasound@chiemgau-net.de> - 2012-02-04 22:05 -0800
Re: ARM embedded stuff Dave Higton <davehigton@dsl.pipex.com> - 2012-02-07 20:03 +0000
Re: ARM embedded stuff Fred Bambrough <fred@[127.0.0.1]> - 2012-02-07 20:22 +0000
Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-07 21:01 +0000
Re: ARM embedded stuff Graham Pickles <graham@durain.demon.co.uk> - 2012-02-08 10:41 +0000
Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-08 11:01 +0000
Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-08 14:01 +0000
Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-08 14:43 +0000
Re: ARM embedded stuff Matthew Phillips <spam2011m@yahoo.co.uk> - 2012-02-08 20:38 +0000
Re: ARM embedded stuff Dave Symes <dave@triffid.co.uk> - 2012-02-08 20:56 +0000
Re: ARM embedded stuff "John Williams (News)" <UCEbin@tiscali.co.uk> - 2012-02-08 22:03 +0100
Re: ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-08 21:49 +0000
Re: ARM embedded stuff Dave Symes <dave@triffid.co.uk> - 2012-02-09 06:49 +0000
Re: ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-09 10:04 +0000
Re: ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-10 11:35 +0000
Re: ARM embedded stuff Bob Seago <rjseago@gmail.com> - 2012-02-09 17:45 +0000
Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-12 14:58 -0800
Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-13 09:53 +0000
Re: ARM embedded stuff "David Holden" <SpamBin@apdl.co.uk> - 2012-02-13 10:28 +0000
Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-13 12:10 -0800
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-13 22:34 +0100
Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-13 21:52 +0000
Re: ARM embedded stuff JTM <usenetbin@free.fr> - 2012-02-14 11:24 +0000
Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-16 09:15 -0800
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-17 01:38 +0100
Re: ARM embedded stuff Brian Jordan <brian.jordan9@btinternet.com> - 2012-02-17 00:53 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-17 06:45 +0000
Re: ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-17 08:05 +0000
Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-17 12:28 +0000
Re: ARM embedded stuff Brian Jordan <brian.jordan9@btinternet.com> - 2012-02-17 13:47 +0000
Re: ARM embedded stuff Brian Jordan <brian.jordan9@btinternet.com> - 2012-02-17 15:48 +0000
Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-17 08:54 +0000
Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-17 12:48 +0000
Re: ARM embedded stuff Tim Hill <tim@invalid.org.uk> - 2012-02-19 13:48 +0000
Re: ARM embedded stuff Dave Symes <dave@triffid.co.uk> - 2012-02-14 07:14 +0000
Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-15 20:54 +0000
Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-15 23:37 +0000
Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-16 11:02 +0000
Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-16 11:25 +0000
Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-17 01:10 +0100
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-17 00:47 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-17 11:04 +0000
Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-18 00:00 +0100
Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-17 12:11 +0000
Re: Electric heating: was ARM embedded stuff Bryn Evans <d@a.invalid> - 2012-02-17 16:38 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-17 17:06 +0000
Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-17 19:04 +0000
Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-17 14:17 +0000
Re: Electric heating: was ARM embedded stuff Theo Markettos <theom+news@chiark.greenend.org.uk> - 2012-02-18 04:11 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-18 09:09 +0000
Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-18 10:21 +0000
Re: Electric heating: was ARM embedded stuff workstuff@mail.com - 2012-02-18 14:11 +0100
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-18 16:03 +0000
Re: Electric heating: was ARM embedded stuff NedA <news@ned.uk.invalid> - 2012-02-18 17:28 +0000
Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-19 15:09 +0000
Re: Electric heating: was ARM embedded stuff Tim Hill <tim@invalid.org.uk> - 2012-02-26 23:35 +0000
Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-27 23:07 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-27 23:44 +0000
Re: Electric heating: was ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-27 23:46 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-27 23:54 +0000
Re: Electric heating: was ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-28 08:18 +0000
Re: Electric heating: was ARM embedded stuff Jeremy Nicoll - news posts <jn.nntp.scrap007@wingsandbeaks.org.uk> - 2012-02-28 02:11 +0000
Re: Electric heating: was ARM embedded stuff "David Holden" <SpamBin@apdl.co.uk> - 2012-02-28 07:25 +0000
Re: Electric heating: was ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-28 09:34 +0000
Re: Electric heating: was ARM embedded stuff Tim Hill <tim@invalid.org.uk> - 2012-02-28 11:59 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 09:15 +0000
Re: Electric heating: was ARM embedded stuff cferris@freeRemoveuk.com.invalid - 2012-02-28 09:38 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 10:38 +0000
Re: Electric heating: was ARM embedded stuff cferris@freeRemoveuk.com.invalid - 2012-02-28 11:05 +0000
Re: Electric heating: was ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-28 11:14 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 12:07 +0000
Re: Electric heating: was ARM embedded stuff Chris Shepheard <chris.shepheard@chrispics.co.uk> - 2012-02-28 19:33 +0000
Re: Electric heating: was ARM embedded stuff Peter Young <pnyoung@ormail.co.uk> - 2012-02-28 20:13 +0000
Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-29 05:44 +0100
Re: Electric heating: was ARM embedded stuff ff <ff@mdharding.org.uk> - 2012-02-29 10:41 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-29 11:37 +0000
Re: Electric heating: was ARM embedded stuff Dave Higton <davehigton@dsl.pipex.com> - 2012-02-29 22:24 +0000
Re: Electric heating: was ARM embedded stuff SG nws <nwsgrp@ntlworld.com> - 2012-03-01 02:12 +0000
Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-01 04:14 +0100
Re: Electric heating: was ARM embedded stuff Jess <phantasm_39@hotmail.com> - 2012-03-08 14:34 +0000
Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-01 03:31 +0100
Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-01 05:04 +0100
Re: Electric heating: was ARM embedded stuff NedA <news@ned.uk.invalid> - 2012-03-01 08:43 +0000
Re: Electric heating: was ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-03-01 03:31 +0100
Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-28 11:44 +0000
Re: Electric heating: was ARM embedded stuff SG nws <nwsgrp@ntlworld.com> - 2012-02-28 18:53 +0000
Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-28 12:09 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 13:11 +0000
Re: Electric heating: was ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-28 14:02 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 15:19 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 16:39 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 18:08 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 22:02 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 22:58 +0000
Re: Electric heating: was ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-28 15:06 +0000
Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-28 16:15 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 18:45 +0000
Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-28 20:19 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 21:36 +0000
Re: Electric heating: was ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-29 01:25 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-29 11:18 +0000
Re: Electric heating: was ARM embedded stuff "David Holden" <SpamBin@apdl.co.uk> - 2012-02-28 20:26 +0000
Re: Electric heating: was ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-28 21:40 +0000
Re: Electric heating: was ARM embedded stuff Barry Gray <barrygray@blueyonder.co.uk> - 2012-02-28 15:20 +0000
Re: ARM embedded stuff Chris Evans <chris@cjemicros.co.uk> - 2012-02-13 12:16 +0000
Re: ARM embedded stuff "David Holden" <SpamBin@apdl.co.uk> - 2012-02-13 12:42 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-13 13:52 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-13 14:43 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-13 15:26 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-13 17:43 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-13 18:56 +0000
Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-13 12:14 -0800
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-13 22:49 +0100
Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-14 01:01 +0000
Re: ARM embedded stuff jgharston <jgh@arcade.demon.co.uk> - 2012-02-16 09:21 -0800
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-17 01:25 +0100
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-10 12:54 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-12 07:00 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-12 10:43 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-12 12:11 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-12 13:37 +0000
Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-12 14:59 +0000
Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-12 15:27 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-12 15:54 +0000
Re: ARM embedded stuff Philip Draper <Philip@borehamh.demon.co.uk> - 2012-02-12 15:18 +0000
Re: ARM embedded stuff OT T M Smith <thomas.smith57@ntlworld.com> - 2012-02-12 17:45 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-12 15:11 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-12 15:47 +0000
Re: ARM embedded stuff Brian Carroll <bric-nospam@argonet.co.uk> - 2012-02-12 15:01 +0000
Re: ARM embedded stuff Tim Hill <tim@invalid.org.uk> - 2012-02-19 13:38 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-19 14:02 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-19 16:47 +0000
Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-19 21:43 +0000
Re: ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-19 22:07 +0000
Re: ARM embedded stuff Alan Calder <alan_calder@o2.co.uk> - 2012-02-19 22:55 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-19 23:16 +0000
Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-20 00:03 +0000
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-20 02:16 +0100
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-20 10:25 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-20 14:06 +0000
Re: ARM embedded stuff "Bruce Goatly" <ss4@goatly.co.uk> - 2012-02-20 10:41 +0000
Re: ARM embedded stuff charles <charles@charleshope.demon.co.uk> - 2012-02-20 06:26 +0000
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-20 01:57 +0100
Re: ARM embedded stuff Russell Hafter News <see.sig@walkingingermany.invalid> - 2012-02-20 08:45 +0000
Re: ARM embedded stuff Stuart <Spambin@argonet.co.uk> - 2012-02-20 09:31 +0000
Re: ARM embedded stuff Dave Higton <davehigton@dsl.pipex.com> - 2012-02-20 20:51 +0000
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-19 18:35 +0100
Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-19 17:50 +0000
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-19 19:19 +0100
Re: ARM embedded stuff Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-02-19 19:21 +0100
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-19 19:01 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-19 18:59 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-20 08:06 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-20 10:36 +0000
Re: ARM embedded stuff Brian Bailey <bbailey@argonet.co.uk> - 2012-02-20 14:04 +0000
Re: ARM embedded stuff Chris Evans <chris@cjemicros.co.uk> - 2012-02-13 14:37 +0000
Re: ARM embedded stuff "Dave Plowman (News)" <dave@davenoise.co.uk> - 2012-02-13 15:57 +0000
Re: ARM embedded stuff davehigton <davehigton14@googlemail.com> - 2012-02-09 03:20 -0800
Re: ARM embedded stuff Folderol <folderol@ukfsn.org> - 2012-02-09 17:36 +0000
Re: ARM embedded stuff Jim Nagel <jimnewsm10d@abbeypress.co.uk> - 2012-02-20 13:37 +0000
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