Why is my Calgary gas fireplace making a clicking noise?

A clicking noise from your Calgary gas fireplace is usually caused by metal components expanding and contracting as they heat up and cool down, which is completely normal. However, persistent clicking during operation or clicking when the fireplace is off can indicate issues that need attention.

Normal thermal expansion clicking occurs when your fireplace first starts up and the metal heat exchanger, firebox walls, and venting components expand as they warm from room temperature to operating temperature (often 200-400°F). You'll hear a series of ticking or clicking sounds for the first 10-15 minutes of operation, then again as the unit cools down after you turn it off. This is especially noticeable in Calgary during winter when the temperature differential is extreme — your fireplace components might start at -20°C room temperature and rapidly heat to operating temperature.

Gas valve clicking is another common source of noise. The gas valve contains a solenoid that clicks when it opens and closes to control gas flow. You'll hear a distinct click when you first turn on the fireplace (gas valve opening) and another click when you turn it off (gas valve closing). Some electronic ignition systems also produce clicking sounds as they cycle the igniter to light the pilot or main burner.

Problematic clicking that requires professional attention includes: continuous clicking during operation (may indicate a failing gas valve or control board), clicking when the fireplace is completely off (possible gas valve leak or electrical issue), or clicking accompanied by the smell of gas (potential gas leak requiring immediate shutdown and professional service). Calgary's chinook winds can also affect gas appliance operation — rapid pressure changes during chinook events sometimes cause gas valves to behave erratically.

Check these simple items first: ensure your fireplace glass doors are properly seated (loose glass can vibrate and click), verify that decorative media like fire glass or ceramic logs haven't shifted against the burner or firebox walls, and confirm that the blower fan (if equipped) isn't hitting any obstructions. Also check that your wall switch or remote control batteries aren't low, as weak signals can cause the gas valve to cycle repeatedly.

When to call a professional: If clicking is accompanied by gas odor, if the fireplace won't light or stay lit, if clicking occurs when the unit is off, or if you notice any changes in flame pattern or color. Gas appliance repair requires a licensed gas fitter in Alberta, and any suspected gas leak should be addressed immediately by shutting off the gas supply and calling ATCO Gas emergency line.

Calgary-specific maintenance note: Given our long heating season and heavy fireplace use from October through April, annual professional service helps prevent control component failures that often manifest as unusual clicking or cycling behavior.

Need help finding a qualified gas fireplace technician? Calgary Fireplaces can match you with local professionals for diagnostic service and repair.