Permanently installed generators and HVAC equipment must comply with the §8.8.3 residential decibel caps at neighboring property lines. Roswell does not have a generator-specific ordinance, but persistent generator noise from a portable unit triggers §8.8.3 enforcement.
Whole-house standby generators (e.g., Generac, Kohler) typically produce 60-75 dBA at 25 feet during operation and routine weekly self-tests. Roswell requires installation permits but does not have a generator-specific time-of-day restriction. The §8.8.3 60 dBA nighttime cap at a residential property line can be exceeded by a generator running close to a property line, so generators should be sited with neighboring receivers in mind. Portable generators used during a power outage are practically exempt during emergencies but should be moved or muffled if used for extended periods. HVAC condensers similarly fall under §8.8.3; the typical Energy Star unit produces 65-75 dBA at 25 feet.
Generator or HVAC noise exceeding §8.8.3 caps at a residential property line is a nuisance violation citable in Municipal Court with civil fines escalating to up to $1,000 for repeat offenses.
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Roswell, GA
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