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Posted by Jeffrey Lebowski on March 29, 2007, 3:32 am
> If I had to take a really wild guess.
Another type guesses you take without someone's charging for it ?
>
> It's cause steam needs to be heated to a higher temp than hot water. 250
instead of 140 or
> so.
>
At 1 bar, steam occurs at 212 deg F last I heard.
> What happens, is that with a steam system the exhaust gaseses
> up the flue are hotter.
Hotter than hell, then--I suspect ..
Go fuck your 9 year old niece and find out.
>
> With a 90 % efficiency hot air furnace, the flue gasses are so
> cold they won't rise (naturally) up a masonry chimney.
>
Hopefully, anyone that allows you to install a furnace will at least die
painlessly in their sleep.
> A lot of the efficiency factor comes from extracting more heat
> from the exhaust, and sending colder exhaust out. I've not seen a
> 90+ efficiency fuel oil furnace.
Then why in the fuck are you commenting on them in the first place ???
( DOH )
> Oil versus gas, well, it depends
> on the design of the furnace. I've seen some gas furnaces that
> are (probably) 60 or 60% efficient. But I've never seen a 90+ oil
> furnace.
>
Stupit fuck..pretty easy measure ( if it goes out the flue then it's fucking
lost )
--
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