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<channel>
	<title>Restoring &#38; "Greening" an Old House</title>
	<atom:link href="http://greenoldhouse.wordpress.com/feed/" rel="self" type="application/rss+xml" />
	<link>http://greenoldhouse.wordpress.com</link>
	<description>Thoughts about restoring and reducing the environmental impact of an old house</description>
	<lastBuildDate>Fri, 27 May 2011 08:52:42 +0000</lastBuildDate>
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		<title>Restoring &#38; "Greening" an Old House</title>
		<link>http://greenoldhouse.wordpress.com</link>
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	<atom:link rel="search" type="application/opensearchdescription+xml" href="http://greenoldhouse.wordpress.com/osd.xml" title="Restoring &#38; &#34;Greening&#34; an Old House" />
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		<item>
		<title>Changing Aux Switch Wiring on a Honeywell Zone Valve</title>
		<link>http://greenoldhouse.wordpress.com/2010/10/18/changing-aux-switch-wiring-on-a-honeywell-zone-valve/</link>
		<comments>http://greenoldhouse.wordpress.com/2010/10/18/changing-aux-switch-wiring-on-a-honeywell-zone-valve/#comments</comments>
		<pubDate>Mon, 18 Oct 2010 20:43:57 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Plumbing]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/?p=91</guid>
		<description><![CDATA[The post is partly as a reminder to myself, and partly for anyone else who finds themselves with the same requirement. On the boiler primary circuit for my new solar cylinder there&#8217;s a Honeywell V4043 2-port zone valve. This particular model is a H1056 which has 22mm compression fittings and a SPST (single pole, single [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=91&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://greenoldhouse.wordpress.com/2010/10/18/changing-aux-switch-wiring-on-a-honeywell-zone-valve/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Honeywell 2-port zone valve</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2010/10/zone_valve_microswitch_2.jpg?w=300" medium="image">
			<media:title type="html">Honeywell microswitch</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2010/10/zone_valve_microswitch_3.jpg" medium="image">
			<media:title type="html">Releasing wire from microswitch terminal</media:title>
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		<media:content url="http://greenoldhouse.files.wordpress.com/2010/10/zone_valve_microswitch_4.jpg" medium="image">
			<media:title type="html">Glued rivet on zone valve microswitch</media:title>
		</media:content>
	</item>
		<item>
		<title>The New Boiler&#8217;s on order&#8230;</title>
		<link>http://greenoldhouse.wordpress.com/2010/06/21/the-new-boilers-on-order/</link>
		<comments>http://greenoldhouse.wordpress.com/2010/06/21/the-new-boilers-on-order/#comments</comments>
		<pubDate>Mon, 21 Jun 2010 20:57:41 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Insulation]]></category>
		<category><![CDATA[Plumbing]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/?p=78</guid>
		<description><![CDATA[This is just a quick post to mention that I&#8217;ve now ordered a new gas boiler and solar hot water cylinder, ready for the renewal of my central heating system this summer. Boiler sizing turned out to be a bit tricky. My current boiler, installed by the house&#8217;s previous owners in about 2001, is a [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=78&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>2</slash:comments>
	
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			<media:title type="html">Viessmann WB1B without cover</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2010/06/viessmann_std_weather_comp.gif" medium="image">
			<media:title type="html">Viessmann - basic weather compensation curve</media:title>
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	</item>
		<item>
		<title>Solar Thermal: Permitted Development Notes</title>
		<link>http://greenoldhouse.wordpress.com/2010/05/19/solar-thermal-permitted-development-notes/</link>
		<comments>http://greenoldhouse.wordpress.com/2010/05/19/solar-thermal-permitted-development-notes/#comments</comments>
		<pubDate>Wed, 19 May 2010 09:26:52 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Plumbing]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/?p=63</guid>
		<description><![CDATA[This summer my central heating replacement is definitely happening. At some point in the future I want to include solar thermal hot water heating so, given that I&#8217;ll be replacing my hot water cylinder anyway, this means I&#8217;ll need to fit one with twin coils (one for the boiler primary, the other for the solar [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=63&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://greenoldhouse.wordpress.com/2010/05/19/solar-thermal-permitted-development-notes/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
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			<media:title type="html">greenoldhouse</media:title>
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			<media:title type="html">Thermomax HP200 evacuated tubes</media:title>
		</media:content>
	</item>
		<item>
		<title>&#8220;Degree Days&#8221; &#8211; the effect of weather on energy usage</title>
		<link>http://greenoldhouse.wordpress.com/2008/07/25/degree-days/</link>
		<comments>http://greenoldhouse.wordpress.com/2008/07/25/degree-days/#comments</comments>
		<pubDate>Fri, 25 Jul 2008 12:59:05 +0000</pubDate>
		<dc:creator>jonnyrad</dc:creator>
				<category><![CDATA[Insulation]]></category>
		<category><![CDATA[energy]]></category>
		<category><![CDATA[heating]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/?p=48</guid>
		<description><![CDATA[Simon

I thought I'd let you and your readers know about my investigations into measuring the energy efficiency of my light-green old house, a late Victorian semi. It was prompted when EdF started sending me gas and electric bills comparing the most recent quarter with that of a year ago (see http://www.edfenergy.com/edf-energy/showPage.do?name=homeenergy.payingBill.understanding.gas.bill.til). It's easy to be sceptical about how valuable such information is, so that's what I was, but wanted to find out what suppliers could tell consumers that would be of use.

I suppose at some level it is raising awareness that our consumption changes over time, and that what we do has an effect. But it's a weak message, and of course not very meaningful just to present the raw data. Take a look at my gas use in April over the last four years, during which time I have been putting in place various ‘energy efficiency' measures: (!)
<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=48&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://greenoldhouse.wordpress.com/2008/07/25/degree-days/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">jonnyrad</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2008/07/carbon_trust_degreedaystool.jpg?w=144" medium="image">
			<media:title type="html">Degree Days Tool</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2008/06/april-gas-use1.jpg" medium="image">
			<media:title type="html">April gas use</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2008/06/april-gas-use-and-dd-data.jpg" medium="image" />

		<media:content url="http://greenoldhouse.files.wordpress.com/2008/06/dd-performance-line.jpg?w=300" medium="image">
			<media:title type="html">Degree days performance</media:title>
		</media:content>
	</item>
		<item>
		<title>Traditional Radiators vs Underfloor Heating</title>
		<link>http://greenoldhouse.wordpress.com/2008/04/04/traditional-radiators-vs-underfloor-heating/</link>
		<comments>http://greenoldhouse.wordpress.com/2008/04/04/traditional-radiators-vs-underfloor-heating/#comments</comments>
		<pubDate>Fri, 04 Apr 2008 14:49:24 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Plumbing]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/?p=47</guid>
		<description><![CDATA[Over the last year or two I&#8217;ve been pondering the replacement of my gas boiler and possibly quite a lot of the heating system (regular readers may remember that my heating pipes all drop down from the loft). I&#8217;m on mains gas so have only considered gas condensing boilers, not more exotic technologies such as [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=47&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://greenoldhouse.wordpress.com/2008/04/04/traditional-radiators-vs-underfloor-heating/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
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			<media:title type="html">greenoldhouse</media:title>
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	</item>
		<item>
		<title>PassivHaus standards</title>
		<link>http://greenoldhouse.wordpress.com/2008/02/04/passivhaus-standards/</link>
		<comments>http://greenoldhouse.wordpress.com/2008/02/04/passivhaus-standards/#comments</comments>
		<pubDate>Mon, 04 Feb 2008 16:41:43 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Insulation]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/?p=44</guid>
		<description><![CDATA[Recently I&#8217;ve been hearing more mentions of the German &#8220;PassivHaus&#8221; standard for energy-efficient houses, so I thought I&#8217;d look it up. I found a UK website at www.passivhaus.org.uk sponsored by BRE and EST. Here they outline the PassivHaus standards &#8211; overall they say &#8220;the total energy demand for space heating and cooling is less than [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=44&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://greenoldhouse.wordpress.com/2008/02/04/passivhaus-standards/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">greenoldhouse</media:title>
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			<media:title type="html">PassivHaus logo</media:title>
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	</item>
		<item>
		<title>Improved efficiency halogen lamps &#8211; continued</title>
		<link>http://greenoldhouse.wordpress.com/2008/01/21/improved-efficiency-halogen-lamps-continued/</link>
		<comments>http://greenoldhouse.wordpress.com/2008/01/21/improved-efficiency-halogen-lamps-continued/#comments</comments>
		<pubDate>Mon, 21 Jan 2008 15:15:06 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Lighting]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/2008/01/21/improved-efficiency-halogen-lamps-continued/</guid>
		<description><![CDATA[Following on from my post last year about Philips&#8217; new higher efficiency halogen lamps I see that Osram have launched a whole new &#8220;energy saving&#8221; range too (see their website). This covers a wide range of filament lamps, curiously including a regular old-fashioned bayonet cap bulb! Personally I&#8217;m only interested in the MR16 fittings. Their [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=41&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://greenoldhouse.wordpress.com/2008/01/21/improved-efficiency-halogen-lamps-continued/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">greenoldhouse</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2008/01/e12_decostar-51-es_b.jpg" medium="image">
			<media:title type="html">Osram Decostar 51</media:title>
		</media:content>
	</item>
		<item>
		<title>New Year&#8217;s list</title>
		<link>http://greenoldhouse.wordpress.com/2008/01/01/new-years-list/</link>
		<comments>http://greenoldhouse.wordpress.com/2008/01/01/new-years-list/#comments</comments>
		<pubDate>Tue, 01 Jan 2008 16:42:06 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Waffle]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/2008/01/01/new-years-list/</guid>
		<description><![CDATA[Well, here&#8217;s my list of house jobs for 2008 (or so!): 1) Finish kitchen I have just bought a roll of SempaFloor insulation to lay on the floor (part quarry tile &#38; part concrete). Whilst having a U-value of over 10 W/m2K this clearly won&#8217;t be anything like a modern insulated solid floor (which may [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=40&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://greenoldhouse.wordpress.com/2008/01/01/new-years-list/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/41f92b8a64384b9b7706ec93cca45d48?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">greenoldhouse</media:title>
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		<item>
		<title>Installation of Loft Insulation &#8211; first instalment</title>
		<link>http://greenoldhouse.wordpress.com/2007/12/31/installation-of-loft-insulation-first-instalment/</link>
		<comments>http://greenoldhouse.wordpress.com/2007/12/31/installation-of-loft-insulation-first-instalment/#comments</comments>
		<pubDate>Sun, 30 Dec 2007 23:53:48 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Insulation]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/2007/12/31/installation-of-loft-insulation-first-instalment/</guid>
		<description><![CDATA[The insulation in my loft has been sadly lacking: it probably started off at 2&#8243; installed in the 60&#8242;s but these days, with the amount of dirt that comes through the (un-felted) roof, along with other compression over the years, it is rather thinner in many places. I have done heat loss calculations to try [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=36&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://greenoldhouse.wordpress.com/2007/12/31/installation-of-loft-insulation-first-instalment/feed/</wfw:commentRss>
		<slash:comments>10</slash:comments>
	
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			<media:title type="html">greenoldhouse</media:title>
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		<media:content url="http://greenoldhouse.files.wordpress.com/2007/12/loft_ins_1426.thumbnail.jpg" medium="image">
			<media:title type="html">Loft insulation in progress</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2007/12/loft_ins_diag.gif" medium="image">
			<media:title type="html">Loft insulation diagram</media:title>
		</media:content>

		<media:content url="http://greenoldhouse.files.wordpress.com/2007/12/loft_ins_1426.jpg" medium="image">
			<media:title type="html">Loft insulation in progress</media:title>
		</media:content>
	</item>
		<item>
		<title>A pilot light surprise&#8230;</title>
		<link>http://greenoldhouse.wordpress.com/2007/10/22/a-pilot-light-surprise/</link>
		<comments>http://greenoldhouse.wordpress.com/2007/10/22/a-pilot-light-surprise/#comments</comments>
		<pubDate>Mon, 22 Oct 2007 09:30:13 +0000</pubDate>
		<dc:creator>greenoldhouse</dc:creator>
				<category><![CDATA[Plumbing]]></category>

		<guid isPermaLink="false">http://greenoldhouse.wordpress.com/2007/10/22/a-pilot-light-surprise/</guid>
		<description><![CDATA[Just out of curiosity I measured the gas used by the pilot light on my 7 year old boiler. This was measured on a coldish September day over a 12h period and turned out to be &#8230; 7kWh per day! This surprised me rather (it is equivalent to a good chunk of the electricity I [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=greenoldhouse.wordpress.com&amp;blog=1032943&amp;post=33&amp;subd=greenoldhouse&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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