DIY Dictionary: What is a Trunk Line? — The Family Handyman
DIY Dictionary: Torso Line
What's a trunk line? The word trunk oft conjures up images of big things carrying lots of stuff: Car trunks crammed with suitcases, travel trunks…
What is a Trunk Line?
The word trunk often conjures upward images of large things carrying lots of stuff: Car trunks crammed with suitcases, travel trunks packed with clothes, elephant trunks full of water. And so, it comes equally no surprise that the trunk line of a heating system is the large duct leading out of the furnace that delivers the massive amounts of air it takes to heat or absurd a firm.
This chief trunk or distribution line oft runs the length of a house and is punctuated by dozens of smaller feeder ducts that direct air into other areas of the home. The location of a trunk line depends on how and where the business firm was built. If a house has a basement, the torso line is usually located there, but in warmer regions or areas where houses lack basements, trunk lines tin run in the cranium surface area. As body lines move further away from the furnace, they often taper in size for greater efficiency.
A trunk line must be sized properly for greatest efficiency—a adding best left to the pros.
Originally Published: Feb 20, 2018
Source: https://www.familyhandyman.com/article/diy-dictionary-trunk-line/
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