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How to Determine if Your Furnace Needs Repair

Mar 25

Repair services are a popular topic of conversation around the holidays when furnaces tend to malfunction en masse. While it's a good idea to be proactive about furnace repair in Mansfield, TX, before winter hits, some signs indicate you should schedule a service call even if it isn't technically cold out yet.

Strange Noises

If you notice strange clunking, grinding, or squealing sounds when your heater is running, that can signify that something isn't working correctly. While the noises may not necessarily mean there's a severe issue with your system right now, they can indicate trouble down the line if left unchecked. It's best to have a technician come by and inspect your system to ensure that everything is operating as it should be.

Temperature Drift

When you set the temperature on your thermostat, it should remain relatively consistent regardless of whether or not someone turns the heater on in another part of the house. If this starts to drift, you might need to have your furnace serviced. Temperature drift can also affect other parts of your HVAC system, so if you notice any issues with air quality throughout your home, it's best to call for an inspection.

Rust Stains

If you start to notice rust stains near the front of your furnace (typically beneath the filter), that could indicate it has begun eating away at your unit. If this is the case, you should schedule a service call as soon as possible to identify and fix the issue before it becomes more serious.

A Change in Air Flow

When everything is working correctly, there shouldn't be any change in the airflow throughout your house when you turn on your furnace. If you notice that airflow has started to drop off or become choppy for reasons you can't explain, it's time to have an inspection performed. It may indicate that debris has begun clogging up your system or that something else isn't operating correctly.

Condensation Buildup

Lastly, if you start to notice condensation buildup near your vents (mainly if a mildew-like smell accompanies it), that could indicate that your ductwork has become contaminated. While you should spot potential issues with your system before they turn into serious problems, it's important to remember that even the most well-maintained systems can sometimes experience complications.

A Change in Your Utility Bill

Leaving a space heater on all day can make it seem like your furnace isn't running at total capacity. Still, when the time comes to turn on the heat for good finally, you should notice an uptick in your utility bill if everything is working efficiently. If not, there could be problems with airflow or residue buildup throughout your particular setup that aren't allowing your furnace to operate as expected. These are just some signs that indicate you may need to schedule a service call with a professional sooner rather than later.

Water Leaks

It seems simple enough, but if you start to notice any unusual water leaks coming from your furnace or piping, that could indicate some significant issues with the system. Depending on where the leakage occurs, this could also affect other appliances in your home connecting to the same water supply. If you notice anything out of the ordinary with your furnace, be sure to contact a service technician immediately before any problems spiral out of control.

Call C&S Air for Quality Furnace Repair in Mansfield, TX

If you're looking for a professional that can provide reliable furnace repair in Mansfield, TX, and the surrounding areas, call C&S Air. They offer furnace repair services for all major brands and have been helping homeowners resolve any issues they're having with their furnaces for many years.


Their team of experts can provide you with an accurate diagnosis and let you know if your system needs servicing to ensure that it will be operating as expected. Call them at 817-241-0224 to get started.