[Greenbuilding] Crawlspace

[nick pine]

Corwyn <corwyn at midcoast.com> wrote:

> On 6/2/2012 9:22 PM, nick pine wrote:

>> Stuart Fix <sfix at renubuildings.com> wrote:

>> a fan with a differential **absolute** humidity control... 
>> http://www.smartvent.biz/ ?
>>
>> If a simple humidistat turns on a fan to move outdoor air through a 
>> crawlspace when the crawlspace **R[elative]H[umidity] is too high, say 
>> higher than 60%, what prevents the fan from moving warm moist outdoor 
>> summertime air through the crawlspace, with condensation?

> Note that Stuart is advocating a control on ABOLUTE humidity, NOT RELATIVE 
> humidity.

Wrong. Read much? I wrote all that, not Stuart.

Nick