> -----Original Message-----
> From: Phil Ethier [mailto:pethier@isd.net]
> Sent: Thursday, October 18, 2001 12:57 PM
> To: Madurski, Ronald M.; Kim Knapp; Shop
> Subject: RE: building a shop - radiant heat
>
>
> >
> >> and cause all kinds of problems within a few years. Radiant
> >> heat is very
> >> efficient since the heat source is at the bottom of the room
> >> and heat rises.
> >
> >Actually heat radiates (hence the name) in many directions.
> The position of
>
> >the source of the radiant heat is inconsequential. Heated
> air will rise but
>
> >since the radiant heat does not heat the air this is not
> much of an issue.
>
>
> I don't believe for one minute that a warmed floor slab does
> not heat the air
> in the shop.
Umm, that's not what I said. The radiant HEATER does not warm the air. It
warms the objects in the room which makes you feel warm. The air is warmed
from coming in contact with the warm objects.
Check out:
http://www.radiantdesigninstitute.com/page50.html
There are about 60 different pages of info on radiant heat.
>
> I think that a great deal of the heating effect of a warmed
> slab is conduction
> of heat to the air and the resultant convection.
No argument here. Except that where the radiant source is located does not
matter. If the slab is cold it will warm from any radiant source.
>
> Phil Ethier
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