What is duct pipe?

Related questions

1. Can PVC pipe be used for HVAC duct?
2. What is duct sealing?
3. How long does flex duct last?
4. How long does ductwork last in a house?
5. Which way does air flow in HVAC?
6. What is the best duct cleaning method?
7. Should ductwork be replaced after 20 years?
8. Where should HVAC vents be placed?
9. How many return air vents are needed?
10. How do you calculate return air flow?

Tags

1. #shape
2. #their
3. #difference
4. #insulated
5. #gases
6. #rectangular
7. #steel
8. #ducts
9. #exchange
10. #round
11. #often
12. #welded
13. #pipes
14. #whereas
15. #fluids
16. #mainly
17. #sheet
18. #galvanized
19. #fabrication
20. #generally
21. #process