Mike, once again this problem does not exist in Fla.
----- Original Message -----
From: R Malac <techman@metrolink.net>
To: <fergie@ntplx.net>
Cc: <triumphs@autox.team.net>
Sent: Tuesday, September 21, 1999 9:53 PM
Subject: attempt at heating in winter
>
> re: heating uninsulated space in winter.
>
> Don't do it. I tried such a thing with a detached 2-car garage while
living
> in Schenectady, NY in the 80's. I had a 100,000 BTU kerosene "bullet"
> heater (one of those things that looks and sounds like a rocket on
wheels).
> I could get my garage (eventually) up to around the 50's with the outside
> temp well below freezing. It takes quite a while. Plus, if you are using a
> combustion heater, you must leave an opening so you get fresh air,
> otherwise you risk dying from carbon monoxide poisoning (a combustion
> product).
>
> Aside from this health hazard, the main thing I learned is that another
> byproduct of combustion is water. As long as the air is relatively warm,
> the relative humidity is low enough (because you have heated the very dry
> cold air) to hold the combustion byproduct water vapor in the "warmed
air".
> BUT, as soon as you turn off the heater and the air begins to cool, the
> relative humidity increases (cold air cannot hold as much water vapor as
> warm air) and when the temperature drops below the dew point.....guess
> what?
>
> You get condensation on everything that did not get heated up above the
dew
> point (which will be just about everything in your space, unless you had
> the temperature up for a very long ---like many hours --- time, long
enough
> for everything to have warmed up in spite of its thermal mass.
>
> So, very soon after, all metal objects very quickly developed RUST.
> Including the vehicle. And since the combustion products are acidic, the
> moisture is VERY AGGRESSIVE and will rust just about everythng in site.
>
> Roy
> techman@metrolink.net
> '60 TR3 TS63103LO
>
>
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