[Greenbuilding] Air-heated slabs

[jfstraube1 at bell.blackberry.net]

Now Nick, be nice. 
This gentleman said he has built 150 such slabs. Perhaps his experience is worth listening to. 
How many hundred air heaters on the exterior of houses have you built in the last 20 years? 

Sent wirelessly from my BlackBerry device on the Bell network.
Envoyé sans fil par mon terminal mobile BlackBerry sur le réseau de Bell.

-----Original Message-----
From: nick pine <nick at early.com>
Sender: "greenbuilding-bounces at lists.bioenergylists.org"
	<greenbuilding-bounces at lists.bioenergylists.org>
Date: Mon, 21 May 2012 20:22:57 
To: greenbuilding at lists.bioenergylists.org<greenbuilding at lists.bioenergylists.org>
Reply-To: Green Building <greenbuilding at lists.bioenergylists.org>
Subject: Re: [Greenbuilding] Air-heated slabs

Bill Chaleff <billarchtx at aol.com> wrote:

> I've designed and installed over 150 (stopped counting years ago) of these 
> since 1976.
> my article: 
> http://www.chaleffandrogers.com/templates/sip2-air_floor_construction.html

>Direct-gain floor slabs have long proven to be effective solutions to 
>passive
solar, low-cost building programs...

Oops. Wrong planet. No need to read on. Direct gain is expensive and 
inefficient, compared to air heaters.

Nick 


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