HVAC & Mechanical Noise
Noise from Specific Sources
Noise limits for air conditioners, heat pumps, pool equipment, and other mechanical systems, including decibel thresholds measured at the property line.
How HVAC & Mechanical Noise Rules Differ by Place
Peoria, AZ: Peoria AZ Heating and Cooling Noise Exemption
Few RestrictionsPeoria exempts heating and cooling equipment from its general noise limits, so a properly running AC unit or heat pump is not a code violation even if a neighbor hears it, per City…
Sedona, AZ: Sedona AC & Pool Equipment Noise Exemption
Few RestrictionsSedona exempts properly functioning air-conditioning, pool and spa equipment from its noise level regulations entirely, so long as it runs according to the manufacturer's…
Tempe, AZ: Tempe HVAC Noise Exemption Rules
Few RestrictionsTempe's noise chapter exempts properly functioning air-conditioning equipment from the city's noise regulations entirely. As long as a unit runs to manufacturer specifications and is…
Huntsville, AL: Huntsville HVAC Noise Property-Line Limits
Some RestrictionsHuntsville has no HVAC-specific rule, but its general noise ordinance caps sound from any fixed source, including air conditioners, heat pumps and condensers, at 55 dB(A) daytime and…
Goodyear, AZ: Goodyear HVAC & Mechanical Equipment Noise Limits
Some RestrictionsGoodyear caps the noise stationary equipment like HVAC units and generators can send across a property line at 55 dBA by day and 45 dBA at night for residential and other…
Alameda County, CA: HVAC Noise Limits in Alameda County
Some RestrictionsUnincorporated Alameda County caps residential air conditioning and refrigeration equipment noise at 55 dB(A) for units installed before July 1980, and 50 dB(A) for newer units.
Cities & Counties with HVAC & Mechanical Noise Rules
190 locations
Arizona
California
Other Noise from Specific Sources Topics
Bar & Nightclub Noise
Noise regulations specific to bars, nightclubs, and entertainment venues, including bass frequency limits, soundproofing requirements, and complaint procedures.
Car Alarm Limits
Maximum duration for car alarms before they must auto-silence, penalties for repeated false alarms, and vehicle towing authority for chronic alarm violations.
Generator Noise
Rules for portable and standby generators, including permitted operating hours, decibel limits, and restrictions during non-emergency use.
Delivery Truck Noise
Time-of-day restrictions on commercial delivery trucks operating in residential zones, including back-up beepers, refrigeration units, and engine idling.
Helicopter Flight Paths
Voluntary altitude and route guidance for helicopters over residential neighborhoods (LA Helicopter Noise Initiative), and complaint reporting tools.
Hospital Helipad Noise
Operating restrictions and noise-mitigation requirements for medical-center helipads, including emergency-flight exemptions and routine-flight curfews.
Airport Engine Run-up
Limits on aircraft engine maintenance run-ups at LAX, Van Nuys, and Bob Hope airports, including run-up enclosure requirements and time-of-day rules.
Low-Frequency Bass Limits
Special bass-frequency (≤125 Hz) sound limits for venues, including dB(C) measurement standards and how cities differentiate bass noise from baseline ambient.