Furnace intake and exhaust pipe separation is one of those things that looks like it should have a simple code dimension. You have two PVC pipes coming through the side of the house—one is the furnace exhaust and the other is the combustion-air intake. So how far apart do they have to be? There is … Read more
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
Dryer vent code requirements 2021 IRC—Dryer venting should be the simplest part of any laundry room, but it’s where more installations get flagged than just about anything else. If you’ve ever seen kinked flex duct crushed behind a dryer, vent runs stretched way beyond code, or—worst of all—exhaust dumping into an attic or crawl space, … Read more
