Getting Rid of HVAC Noise

Getting Rid of HVAC Noise

Getting Rid of HVAC Noise

You don’t expect complete silence when your HVAC equipment is running to combat the heat of summer. Low-level sounds of a motor or air movement through the ducts is normal, but excessive HVAC noise is a disruptive nuisance. Fortunately, there are options available to lessen loud noises like the following:

Banging and Popping Sounds

Bangs and pops in the ducts occur because metal naturally expands and contracts due to normal temperature/pressure changes between cycles. If the noise is excessive, your technician can look for other possible causes and take measures like these to quiet things down:

  • Fix damaged/sagging ductwork sections
  • Seal and then wrap accessible ducts in sound-minimizing insulation
  • Add duct silencers
  • Install insulated spacers if duct sections are contacting framing members

Loud Whooshing Noises

If you hear loud whooshing coming from the air vents with every cycle of the blower fan, it can indicate too high a static pressure within the HVAC system. High static pressure should be addressed promptly because it can also restrict airflow and damage your equipment, or shorten its useful lifespan. Your technician can perform various tests to identify the cause, then advise you on the steps needed to correct the problem, such as:

  • Adjusting the blower fan speed
  • Replacing undersized ducting
  • Boosting the amount of return airflow
  • Installing high velocity supply and return registers
  • Reconfiguring and replacing some or all of your duct system

Sounds From Bad Vibrations

Vibrations from a blower fan can rattle the air handler unit, then travel through your ductwork and cause noise at the air vents in each room of your home. After verifying that the fan is working properly, your HVAC pro can suggest different options to lessen these nuisance noises, such as installing an anti-vibration pad or mounts, or adding a sound-deadening blanket.

These measures can also work to lessen the amount of noise coming from a loud outdoor unit, so you can enjoy your backyard, deck or patio in peace and relative quiet.

If you’re dealing with excessive HVAC noise in your Peachtree City home and need effective solutions, contact us today at Powers Heating & Air.

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