Franklin, TN Noise from Specific Sources: HVAC & Mechanical Noise (2026)

Neither Title 11 (Municipal Offenses) nor Title 12 (Building, Utility, etc. Codes) of the Franklin Municipal Code contains an HVAC-specific section, dBA cap, or numeric setback distance for residential or commercial air-conditioning condensers, heat pumps, pool heaters, mini-split outdoor units, generators, or rooftop units. Permanent HVAC installations are reviewed and inspected by the Franklin Building & Neighborhood Services Department under the construction codes adopted in Title 12 (Franklin generally adopts the International Mechanical Code as part of the family of International Code Council codes). HVAC equipment placement and setbacks are governed by the Franklin Zoning Ordinance through general accessory-equipment yard standards for the applicable residential, mixed-use, or commercial zoning district - mechanical equipment on a residential lot typically must respect side / rear yard setbacks and cannot encroach into required buffer yards adjacent to a different zoning district. Where a poorly placed or malfunctioning HVAC unit causes audible disturbance at a neighbor's property line, the complaint is handled as 'unnecessary noise' under Sec. 11-402 (minimum $126 per citation) by Franklin Police - not as a separate HVAC violation. There is no separate licensed-premises HVAC limit in the downtown historic district, though stricter site-plan conditions may apply to large commercial rooftop chillers in Cool Springs office buildings approved with conditional-use limitations. For new construction in Westhaven, Berry Farms, McKay's Mill, and similar master-planned communities, HOA architectural review boards frequently impose stricter equipment-placement and screening rules than the city code.