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Common Furnace Repair Problems and How to Prevent Them

furnace

Furnaces are important for maintaining a comfortable home, especially during the colder months. However, like all complex systems, they can develop problems over time. Understanding common furnace repair issues and how to prevent them can save you time and money. 

Frequent Cycling: Causes and Prevention

Frequent cycling is when your furnace turns on and off more often than it should. This not only wastes energy but also causes unnecessary wear and tear on the system. There are several common causes for this issue that you should be aware of to prevent it from occurring.

One common cause is a dirty or clogged air filter. When the filter is blocked, it restricts airflow, causing the furnace to overheat and shut off. Replacing the filter regularly is simple and highly effective in preventing frequent cycling. It’s an easy task that improves airflow and allows the furnace to run more efficiently.

Another frequent cause is an improperly sized furnace. If your furnace is too big for your home, it will heat the space quickly and then shut off, only to restart a short time later. Consulting with our professionals during your furnace installation can ensure you get the right size for your needs. This prevents short cycling and extends the life of your furnace.

Thermostat settings can also contribute to frequent cycling. If the thermostat is set too high or too low, it may cause the furnace to turn on and off frequently. Make sure to set your thermostat at a moderate temperature, and consider using a programmable thermostat to maintain a consistent temperature throughout the day.

Thermostat Issues: Troubleshooting and Maintenance

Thermostat issues can lead to a variety of problems with your furnace, including poor heating performance and frequent cycling. Addressing these issues promptly can help maintain your furnaceā€™s efficiency and keep your home comfortable.

A common problem is a thermostat that is not calibrated correctly. If the thermostat is reading the wrong temperature, it may not call for heat when needed. You can check the accuracy of your thermostat by comparing it to an indoor thermometer. If discrepancies exist, you may need a professional to recalibrate or replace the thermostat.

Another issue could be low battery power. Many modern thermostats rely on batteries, and when these run low, the thermostat can malfunction. Replacing the batteries at least once a year ensures the thermostat operates correctly.

Proper placement of the thermostat is also crucial. If it is located near a heat source like a boiler heater or in direct sunlight, it will take incorrect readings and affect the furnaceā€™s operation. Ensuring your thermostat is placed in a central location away from heat sources helps maintain accurate temperature control.

Lastly, scheduling regular maintenance can prevent thermostat issues. Our professionals can inspect your thermostat as part of a routine furnace tune-up. They will ensure everything is working properly and address potential issues before they become significant problems.

Ignition Problems: Common Fixes and Avoidance

Ignition problems can prevent your furnace from starting, leaving your home cold and uncomfortable. These issues are often related to the pilot light or electronic ignition system. If the pilot light is out, it could be due to a draft, dirt in the pilot tube, or a faulty thermocouple. Cleaning the pilot tube and ensuring the thermocouple is working properly can resolve these problems.

Electronic ignition systems may also fail due to issues with the sensor or ignition mechanism. If the sensor is dirty, the furnace might not start. Cleaning the sensor with a fine abrasive cloth can help. If the problem persists, our professionals can diagnose and repair more complex issues.

Regular furnace maintenance can help prevent ignition problems. Scheduling a furnace tune up ensures all components are inspected and cleaned. Our technicians check ignition systems during these tune-ups to keep your furnace operating smoothly.

Airflow Obstructions: Identifying and Preventing Blockages

Proper airflow is crucial for furnace efficiency and longevity. Blocked vents, ducts, or filters can strain your system, leading to frequent furnace repair needs. Common signs of airflow obstructions include uneven heating, weak airflow from vents, and unusual noises from the furnace.

Blocked vents can be caused by furniture placement or excessive dust build-up. Ensure that all vents are free of obstructions and clean them regularly. Dirty filters are a common cause of reduced airflow. Changing your furnace filter every few months can prevent build-up and maintain efficient airflow.

Ductwork can also become obstructed by foreign objects or dust accumulations. Regular inspections and cleaning by our professionals can help identify and clear these blockages. Keeping your ducts clean not only improves airflow but also enhances indoor air quality.

Conclusion

Ensuring your furnace operates efficiently involves addressing common problems like frequent cycling, thermostat issues, ignition failures, and airflow obstructions. Proactive furnace maintenance and prompt furnace repair can prevent these issues from escalating. By staying vigilant and enlisting our professionals for regular service, you can keep your furnace in peak condition.

At B & W Heating and Cooling, Inc, we specialize in furnace repair in Wood River. Our experienced technicians are ready to help you maintain a comfortable and efficient home. Contact us today to schedule a service or consultation. Keeping your furnace running smoothly is our top priority!