We have these things in Ireland called Superser heaters, running off bottled gas. They can put out a fair bit of heat on their own. If you have anything like that in the States it might be a worthwhile investment... the only thing to watch for is the pilot light going out, because they're all mechanical inside. And monoxide, of course. Just about every home in Ireland would have one to hand...
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--m(^0^)m-- Wot, no sig?
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--m(^0^)m-- Wot, no sig?