If you are experiencing a continuous buzzing and sizzling sound from your ceiling and walls, even when there is no apparent electrical fault, it is important to investigate the source of the noise. Here are a few possible explanations for such sounds:
Plumbing Issues: Faulty plumbing or water pipes can sometimes create sounds that are similar to buzzing or sizzling. This can occur due to water flow, pressure fluctuations, or the movement of water through the pipes. If the sound is more prominent when using water fixtures or during specific times (such as when toilets are flushed or taps are turned on), it could indicate a plumbing issue.
HVAC System: Heating, ventilation, and air conditioning (HVAC) systems can generate various sounds during their operation. If there is a malfunction or an issue with the HVAC system, it could result in buzzing or sizzling sounds. Check if the sound is more noticeable when the HVAC system is running, and consider having it inspected and serviced if necessary.
Thermal Expansion: Certain building materials, such as metal or wood, can expand or contract with changes in temperature. This thermal expansion can sometimes create cracking or popping sounds. If the buzzing or sizzling sounds are more prevalent during temperature fluctuations, it could be attributed to the building materials adjusting to the changes.
Environmental Factors: Sometimes, external environmental factors can create sounds that resonate or transmit through the walls or ceiling. This can include nearby machinery, construction activities, traffic, or even natural phenomena like wind or rain. Assess if the sounds coincide with any specific external events or conditions.
If the buzzing and sizzling sounds persist and are causing concern or disruption, it is recommended to consult a professional, such as an electrician, plumber, or general contractor. They can conduct a thorough inspection of your premises, identify the source of the sounds, and provide appropriate solutions or repairs.