HVAC Replacement permit in Franklin, TN
Yes — you need a permit for hvac replacement work in Franklin.
| Permit needed? | Yes |
|---|---|
| Where the line falls | No size threshold in the code |
| Fee | Mechanical inspection fee in the Appendix A fee schedule. |
| Review time | Not in the ordinance |
| Code section | Sec. 12-901/902 (IMC 2024); Appendix A, Ch. 12 fee schedule (mechanical inspections) |
| Based on | IMC 2024 |
How to pull the permit
- Put together a site plan showing where the work goes, with dimensions.
- Apply through the Franklin building department.
- Pay the permit fee when the permit is issued. Work done before that isn't covered.
- Book each inspection listed on the permit as the job reaches that stage.
If you skip it
Work without a required permit is unlawful; the fine is set in Appendix A (comprehensive fees and penalties).
Nearby cities, same job
Rules stop at the city line. If your lot is near a boundary, or you work across several towns, this is where they differ.
| City | Distance | Permit? | Where the line falls |
|---|---|---|---|
| Franklin | — | Yes | No size threshold in the code |
| Brentwood | 7 mi | Yes | No size threshold in the code |
| La Vergne | 18 mi | Depends | exempt if heating and cooling capacity and fuel source st… |
| Nashville | 18 mi | Yes | Replacing an air conditioner, furnace, or heat pump needs… |
| Smyrna | 18 mi | Yes | Replacing a full air conditioner, furnace, or heat pump n… |
| Murfreesboro | 24 mi | No | Replacing like package or split HVAC equipment that is pe… |
Other work in Franklin
Questions people ask
How much does a hvac replacement permit cost in Franklin?
Mechanical inspection fee in the Appendix A fee schedule.. Valuation-based fees mean the number depends on what the job is worth, so the department quotes it when you apply.
I already built it without a permit. What now?
Franklin can issue a stop-work order and require you to apply after the fact, sometimes with an extra fee. Work that was covered up may have to be opened for inspection. Full walkthrough here.
Does unpermitted work cause problems when selling the house?
Often, yes. A buyer's inspector or the title company may flag it, and lenders can balk at financing a home with open or missing permits. What to do about it.