[Greenbuilding] Fwd: Arnie's natural ventilation system

[Bob Irving]

Well, it sort of is natural ventilation because it's using the  
natural night time temperature fall to cool the house, but admittedly  
it's using artifice after that....

Thanks for this. Having just had our hottest July ever here in the  
UK, I might try to get an import deal....
	Bob

On 2 Aug 2006, at 19:00, George J. Nesbitt wrote:

> What you are describing is not natural ventilation, but nighttime  
> ventilation cooling.
> It's a residential economizer for nighttime cooling.
> It was started by Butler (California HVAC Contractor), called Smart  
> Vent (in house product?).
> Davis Energy Group has been working with Butler to spread the  
> technology.
> They are using a hydronic air hander/fan coil with a ECM fan motor,  
> and the Smart Vent.
> It is going under the name Nightbreeze, and is still in pilot.
> http://www.davisenergy.com/nb_page.html
>
>
> Bob Irving wrote:
>
>> Meant to add the url for the paper which is :
>>
>> http://www.energy.ca.gov/reports/2004-03-08_500-04-011.PDF
>>
>> Begin forwarded message:
>>
>>
>>> From: Bob Irving <bob.irving at zen.co.uk>
>>> Date: 2 August 2006 14:20:06 BDT
>>> To: Greenbuilder list <greenbuilding at listserv.repp.org>
>>> Subject: [Greenbuilding] Arnie's natural ventilation system
>>>
>>> Dear list,
>>>
>>> 	In my present quest for academic papers on natural ventilation,  
>>> I've
>>> found a paper written for the State of California on micro-processor
>>> control of whole house ventilation systems - to monitor outdoor
>>> temperatures, compare with internal, and turn on a fan sucking cool,
>>> night air in to provide over night cooling to reduce the day-time  
>>> use
>>> of aircon. It was written in 2002-03. At the time, they said that
>>> there was no kit available to do this cheaply (or at all) Has anyone
>>> any idea if it has been put on the market?
>>>
>>> 	TIA
>>> 	Bob
>>>
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>>
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