What kind of permit do I need if I am changing the existing unit with a new unit (same tonnage/same capacity) but not touching the ductwork or any other components?

You will need to take a mechanical trade (online) permit. Only a licensed mechanical contractor can pull this permit.

Show All Answers

1. When is a Mechanical Permit Required?
2. What are the current, applicable Mechanical Codes used in Prince George's County?
3. Who can apply for a mechanical permit?
4. What is the cost for a mechanical permit?
5. Do I need a mechanical permit for just ductwork?
6. What kind of permit do I need if I am changing the existing unit with a new unit (same tonnage/same capacity) but not touching the ductwork or any other components?
7. Can you issue permits for boilers?
8. Do I need a smoke detector?
9. Do I need a mechanical permit for walk-in coolers and freezers?
10. Do I need a building permit to get a mechanical permit for walk-in coolers and freezers?
11. What are the ventilation requirements?
12. Where can I look up the status of my permit?
13. Can an architect sign and stamp mechanical drawings?
14. Is a digital stamp and signature okay?