Some operating sounds are normal, but sudden, loud or unusual noise can indicate airflow restrictions, loose parts, vibration, fan problems or another service issue.
📐 Calculated estimate
Based on real BEE-certified data — see the exact numbers below.
The type of noise matters. A light airflow sound is different from rattling, grinding, buzzing or strong vibration. Note when the sound occurs and whether it comes from the indoor or outdoor unit.
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✅ Daikin/BEE published spec
📐 Calculated from verified data