When a hot -air furnace is utilized to heat a house

Reference no: EM13662217

When a hot -air furnace is utilized to heat a house, why is it significant that there be a vent for air to return to the furnace? What happen if this vent is blocked by a bookcase?

Reference no: EM13662217

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When a hot -air furnace is utilized to heat a house : When a hot -air furnace is utilized to heat a house, why is it significant that there be a vent for air to return to the furnace? What happen if this vent is blocked by a bookcase?

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