James Egan wrote:
On Wed, 14 Nov 2007 04:23:12 +0000, Tony Hwang wrote:


Hi,
You are trying to do almost impossible thing. Are you trying to heat the
universe?, LOL! Radiator type heater may work better. I have a 4 season
sun room with top half of all walls is double pane glass windows, bottom
half is R20 foam core composite, roof is also foam core R40 laminated
aluminum panels with two big sky lights. I have mid-size heat pump for
heat/cool. I live in Calgary Alberta. We grow tomato, orchid, cukes in
this room.



No, I'm not trying to heat the universe, just myself. Of course, the
perforated ceiling allows heat to escape. A radiant heater is the worst
solution in this case.

That makes no sense to me. A radiant heater would seem to be the
only way to deliver heat directly to you _without_ convection carrying
it away first.

I know, I've tried several. The heat just rises
and escapes through the perforated ceiling, even if the heater is only 2
feet away from you. That's why a fan that blows the hot air on you BEFORE
it escapes through the perforated ceiling is a better solution. I have a
quarts heater with a small blower, and it is by far the best I've tried.



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