Furnace Not Working

Furnace Not Working? These 5 Problems May Be to Blame

Furnaces are one of the most complex appliances you may own and if you’re experiencing issues with yours, there are a variety of reasons you might be facing difficulties. When the heat isn’t flowing, the furnace is making an unnerving noise, or the machine won’t even turn on at all, there’s a good chance one of these issues might be to blame:

1. Dirty Filters

Dirty or clogged air filters impede airflow, making a furnace work harder to circulate. Occasionally, a clogged filter may damage the limit switch which controls the fan. Cleaning or replacing the filter once a month is an easy and inexpensive way to remedy this issue. A furnace repair professional can show you how to do this if you are unsure.

2. Malfunctioning Thermostat

A defective thermostat can lead to problems with the fan and your comfort levels. Check the battery level in the thermostat. In some models, simply replacing the battery may do the trick. Also, be sure to test the thermostat settings. The fan setting should be on “Auto.” In the “On,” “Low,” “Medium” or “High” settings, the fan will run endlessly, draining the battery and causing your furnace to run inefficiently. If you want more information on how using your thermostat more effectively can save you money, visit energy.gov.

3. Wrong Size Furnace

If your furnace isn’t heating your home well enough, your equipment may just be the wrong size for your space. If your furnace is too small for the size of your home, it will run continuously in an attempt to compensate. In addition to running up your electric bill, this can increase wear and tear on your appliance, leading to costly repair issues in the future. It is suggested to have a professional assess the size of your home and recommend a furnace that will be appropriate to your needs. 

4. Wear and Tear

Normal wear and tear can cause airflow problems, heat control-related problems, or even overheating. Unless you received training to repair furnaces, let professionals handle problems related to mechanical wear and tear. Otherwise, you may void the warranty on the appliance or accidentally cause a larger problem.

5. Lack of Maintenance

If you fail to schedule annual furnace maintenance and inspections, this could lead to unexpected problems and breakdowns. These routine inspections can help your appliance run more efficiently and reliably, saving you money in the long run. Every year, at the end of the summer or beginning of fall, hire a furnace repair specialist to inspect and maintain the furnace. The professional will get the unit ready for the upcoming cool weather and fix problems that could cause breakdowns or expensive repairs during busy winter months.

When all else fails, call in the experts!

When troubleshooting your appliance doesn’t solve your furnace issues, never hesitate to contact one of our trained HVAC contractors at Advent Air. Any furnace, regardless of its age, may pose safety hazards, so it’s always a good idea to have an expert examine the unit and suggest the best course of action.

Contact us today to schedule an inspection or repair: (469) 240-5456.


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