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Noise Control

Indoor Appliances

Furnace, Dishwasher, Washing Machine, Ventilation Fans

Problem: Noisy appliances (dishwasher, washing machine).

Cause: Load noise generation, poor location, poor insulation

Solutions: Reduce transmission to other rooms.

  • Install doors on the kitchen and the laundry room to reduce noise reaching other rooms.
  • Locate rooms normally containing noisy appliances as far as possible from noise-sensitive areas.
  • Improve the installation

  • Put acoustically absorptive lining on the inner faces of any enclosure around the appliance.
  • Do not connect an appliance to walls or cupboards; their surfaces act as sounding boards and radiate more noise.
  • Support any large appliance, such as a washing machine, resiliently on a heavy, rigid surface like a concrete floor, if possible.
  • Use suitable resilient mounting to reduce vibration transfer into the structure. Incorrectly chosen mounting can amplify vibration; follow recommendations from the manufacturer or consult an expert. Resilient mounting is much less effective on flexible floors, such as plywood on wood joists.