R-Pro › Field cases › Air conditioning
AC Outdoor Noise / Vibration — Top Cause of Neighbor Complaints
Likely causes
Check anti-vibration pads, bracket, wall resonance, compressor mount
Check: Anti-vibe pads age/compress = replace every 5 years. Poor bracket = rocks → resonance. Hollow wall mount = large resonance (common with Korean concrete). Internal compressor rubber mount aged = compressor body touches cabinet. Korean MOE noise: nighttime <50 dB recommended.
What to do: Anti-vibration pads >5 years = replace. Loose bracket = re-anchor and verify torque. Aged compressor mount = recommend compressor part replacement. Korean nighttime >50 dB can be reported to MOE — dispatch on disputes. Concrete/hollow walls = add pads + reinforcement frame.
Korea = nighttime >50 dB can be reported to MOE. Dispatch immediately on disputes. Users rarely know pads need 5-year replacement = mandate at routine service. Compressor itself = expensive part swap.
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