Lexington regulates HVAC equipment noise under Code of Ordinances Chapter 14 general noise provisions. No specific decibel limits exist for HVAC units; the standard is whether sound annoys or disturbs a reasonable person of normal sensitivities. Operating mechanical equipment creating disturbances between 11 PM and 7 AM is prohibited.
The LFUCG Code of Ordinances Chapter 14, Sections 14-70 through 14-80 regulate noise in Lexington. The ordinance does not set specific decibel limits for HVAC equipment. Instead, it uses a subjective standard: sound that annoys or disturbs a reasonable person of normal sensitivities constitutes a noise disturbance. Section 14-72 lists specific prohibited acts including operating machinery with rotating or reciprocating parts that creates a disturbance across dwelling unit boundaries. Mechanically powered devices used outdoors that create a noise disturbance are specifically prohibited between 11:00 PM and 7:00 AM, and before 9:00 AM on Saturdays and Sundays. HVAC condensers, compressors, and heat pump units would fall under these general provisions when they create sound audible across property lines at a level that disturbs neighbors. The mayor may grant variances under Section 14-74 for documented health hazards or unreasonable economic hardship. Complaints about HVAC noise can be filed through LexCall 311 at (859) 425-2255 for Code Enforcement follow-up, or through the Lexington Police non-emergency line at (859) 258-3600 for after-hours disturbances. Fines range from fifty to five hundred dollars per violation. Kentucky state law under KRS 525.060 also addresses unreasonable noise as part of disorderly conduct provisions.
Contact your local code enforcement office for specific penalty information.
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