Furnace Troubleshooting & Repair
2 min read
September 10, 2025

Why Is My Furnace Making Noise? Common Causes & Solutions

Hearing strange sounds from your furnace? Learn what different noises mean and when to call a professional.

Is your furnace making unusual noises? Don't ignore these sounds - they often signal problems that need attention.

Common Furnace Noises and What They Mean

Banging or Clanking

If you hear loud banging sounds, this usually means:

  • Loose or broken components inside the furnace
  • Issues with the blower motor or fan
  • Ductwork that's expanding and contracting

Squealing or Screeching

High-pitched sounds often indicate:

  • Worn-out blower motor bearings
  • A loose or damaged belt
  • Parts that need lubrication

Clicking Sounds

Occasional clicking is normal when your furnace starts up. But constant clicking could mean:

  • Faulty ignition system
  • Problems with the flame sensor
  • Issues with the gas valve

When to Call a Professional

Some furnace noises require immediate professional attention:

  • Any sound accompanied by a gas smell
  • Loud banging that doesn't stop
  • Grinding or metal-on-metal sounds

Simple Fixes You Can Try

Before calling a technician:

  • Check that all vents are open and unblocked
  • Replace your air filter if it's dirty
  • Make sure the area around your furnace is clear

Getting Help in Regina

If these simple steps don't solve the problem, it's time to call a local HVAC professional. Strange furnace noises often get worse if ignored, leading to more expensive repairs.

Don't let a noisy furnace keep you up at night. Contact a Regina HVAC contractor for a proper diagnosis and repair.

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