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			<title>Green Building Forum - MHRV purge and dust control</title>
			<lastBuildDate>Fri, 06 Mar 2026 20:23:20 +0000</lastBuildDate>
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		<title>MHRV purge and dust control</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16666&amp;Focus=282428#Comment_282428</link>
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		<pubDate>Sun, 26 Jul 2020 14:42:41 +0100</pubDate>
		<author>wholaa</author>
		<description>
			<![CDATA[Hi all,<br /><br />Can purge mode on MHRV be used to reduce dust? Does it make sense to take it on during and after hooving your home?]]>
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		<title>MHRV purge and dust control</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16666&amp;Focus=282429#Comment_282429</link>
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		<pubDate>Sun, 26 Jul 2020 15:15:43 +0100</pubDate>
		<author>djh</author>
		<description>
			<![CDATA[<blockquote ><cite >Posted By: wholaa</cite>Can purge mode on MHRV be used to reduce dust?</blockquote><br />What do you mean by purge mode on MVHR?<br /><br />edit: And why would there be dust whilst vacuuming? Vacuums have filters.]]>
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		<title>MHRV purge and dust control</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16666&amp;Focus=282430#Comment_282430</link>
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		<pubDate>Sun, 26 Jul 2020 17:02:11 +0100</pubDate>
		<author>wholaa</author>
		<description>
			<![CDATA[My vent-axia MHRV system runs at about 21% (if that is correct terminology), but it has goes to something like 40% if I have showers. There is an option called purge where it runs at around that higher rate, I think the manual suggested it for when you have bad smells or people smoking. Anyway when I hoover my home there is always a lot of dust kicked up in the air that doesnt get sucked into the machine so I wondered could pruge mode clean the house.]]>
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		<title>MHRV purge and dust control</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16666&amp;Focus=282432#Comment_282432</link>
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		<pubDate>Sun, 26 Jul 2020 17:38:26 +0100</pubDate>
		<author>Mike1</author>
		<description>
			<![CDATA[Then one option to look at would be fitting filters to the ventilation extract terminals, to stop the dust being pulled into the ducts (whether or not using purge  mode).]]>
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		<title>MHRV purge and dust control</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16666&amp;Focus=282433#Comment_282433</link>
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		<pubDate>Sun, 26 Jul 2020 17:54:08 +0100</pubDate>
		<author>wholaa</author>
		<description>
			<![CDATA[I see. I will look into this. My house is not particularly dusty and there is a filter for extract air. I guess the problem in my idea is that the air will only be cleaned that is aroud the bathrooms]]>
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		<title>MHRV purge and dust control</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16666&amp;Focus=282434#Comment_282434</link>
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		<pubDate>Sun, 26 Jul 2020 19:28:31 +0100</pubDate>
		<author>djh</author>
		<description>
			<![CDATA[Ah, OK, so purge just means a high rate.<br /><br />I would buy a vacuum that doesn't kick up a lot of dust. Good vacuums suck up dust, not blow it around.]]>
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