Hmm, 42 people at 300-400 btu/hr per person would be @ 15,000 btu/hr. In a 1,200 sq ft home, I would be inclined to agree that heating the home was not an issue. Keeping it nice smelling might be a concern.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)