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You rely on your furnace to keep you warm on the coldest days of the year. But like other appliances, it’s vulnerable to wear and tear that will eventually cause it to break down. To avoid an emergency, it’s a good idea to be aware when your HVAC system is no longer functioning properly. Below are a few of the sounds a failing furnace may make and what causes them.

3 Sounds that Indicate a Failing Furnace

1. Clicking

If you hear a clicking sound coming from your HVAC system, this may be indicative of a problem with the flame sensor. If the furnace is unable to ignite the pilot light or burner, it will produce a click each time it attempts to light the flame. This problem requires immediate attention as your furnace will be unable to heat your home. 

2. Rattling

HVAC systemRattling noises are often a tell-tale sign of a loose part, such as a screw or panel, rolling around in the unit. However, this noise can also be an indicator of a more serious problem, such as a leak or crack in the heat exchanger. When this occurs, carbon monoxide can leak into your home, which is why a rattling noise should be addressed by a professional. 

3. Banging

A banging or loud boom noise is often a sign your furnace is nearing the end of its lifespan. Your HVAC system may be working in overdrive to heat your home, and too much strain will eventually lead to a breakdown. Banging can also be a sign of a gas build-up in the system, which could be dangerous if it cracks the heat exchanger; this requires immediate attention from a licensed technician.

 

If you’re experiencing any issues with your furnace, turn to the leading HVAC technicians at Tri-City Services. Based in Wisconsin Rapids, WI, for over 70 years, this family-owned business offers residential and commercial HVAC system solutions, and they will help whether you need installation, repairs, maintenance, or an inspection. They also offer commercial refrigeration services and 24-hour emergency repairs. Call (715) 423-5840 to schedule an appointment with a technician. You can also visit the website to learn about their full list of services.

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