Richardson regulates HVAC equipment noise under its general noise ordinance, which sets dBA limits at the property line that vary by zone and time of day. New equipment installations must be sited to comply with these limits, especially at night in residential areas.
Richardson's noise ordinance applies to stationary equipment including residential and commercial HVAC condensers, mini-splits, rooftop units, and exhaust fans. Residential zones typically allow up to 60-65 dBA during daytime hours (7 a.m. to 10 p.m.) and a lower nighttime limit of 55-60 dBA measured at the receiving property line. Commercial and industrial zones carry higher daytime allowances. Installers should factor in equipment-rated sound power levels, distance, and obstacles when siting units near residential property lines. Common remedies for complaints include adding a sound blanket, relocating the unit, installing a sound barrier, or replacing with a quieter variable-speed unit. Code enforcement responds to complaints and can take decibel readings. Continued violations can result in citations that escalate to municipal court. Mechanical permit inspections do not generally measure noise, so compliance is the owner's responsibility.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Richardson code enforcement directly for current fines, enforcement procedures, and hearing options.
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