furnace vent clearance

How Close Can a Furnace Vent Be to an Air Intake?

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Two pipes or openings on the side of a house can look almost identical, but that doesn’t mean the same furnace vent clearance from air intake applies to every installation. That’s where people get tripped up. A furnace vent may terminate near an outdoor-air inlet serving the building, the combustion-air intake for another furnace or … Read more

How Close Can a Furnace Vent Be to a Window?

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Furnace vent clearance from window openings can vary depending on how the furnace is installed. A high-efficiency furnace is often vented through the side of the house with PVC pipe. Sometimes you’ll see two pipes—an exhaust and a combustion-air intake. Other installations may have only the exhaust terminating outside. So how close can that furnace … Read more