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Top HVAC Troubleshooting Tips for Homeowners

Updated: Sep 20

Your HVAC system is essential for maintaining comfort in your home, especially during extreme weather conditions. However, like any complex system, it can occasionally encounter issues. Before calling a professional, there are several troubleshooting steps you can take to resolve common HVAC problems. Here are our top HVAC troubleshooting tips for homeowners.


Image of a homeowner checking their HVAC thermostat for troubleshooting.
Keep your HVAC running smoothly with our top troubleshooting tips for homeowners.

1. Check the Thermostat: The thermostat is the brain of your HVAC system. If your system isn't turning on or isn't heating or cooling as expected, start by checking the thermostat settings. Ensure it's set to the correct mode (heat or cool) and that the temperature is set correctly. Replace the batteries if needed and make sure the thermostat is clean and not obstructed.


2. Inspect the Air Filter: A clogged air filter can cause various issues, including reduced airflow and increased energy consumption. Check your HVAC system's air filter regularly and replace it every 1-3 months, depending on the type of filter and usage. A clean filter improves efficiency and air quality.


3. Check the Circuit Breaker: If your HVAC system isn't powering on, it could be due to a tripped circuit breaker. Locate your home's electrical panel and check if the HVAC system's breaker has tripped. If it has, reset it by flipping it to the "off" position and then back to the "on" position. If the breaker trips again, contact a professional, as this could indicate a more serious issue.


4. Ensure Proper Airflow: Blocked or closed vents can restrict airflow, causing uneven heating or cooling. Check all vents and registers in your home to ensure they are open and not obstructed by furniture, curtains, or other objects. Also, inspect the outdoor unit for any debris, such as leaves or dirt, that could block airflow.


Illustration of an HVAC technician inspecting an air filter for maintenance.
Avoid costly repairs with these essential HVAC troubleshooting tips. Learn more now!

5. Listen for Unusual Noises: Unusual noises coming from your HVAC system can indicate a problem. Listen for sounds such as banging, clanking, or hissing. These noises could be caused by loose parts, refrigerant leaks, or other issues. If you hear anything unusual, it's best to call a professional to diagnose and repair the problem.


6. Inspect the Drain Line: HVAC systems have a drain line to remove condensation. If the drain line becomes clogged, it can cause water to back up and potentially damage the system or your home. Check the drain line for any blockages and clear them if necessary. You can use a wet/dry vacuum to remove clogs.


7. Monitor Energy Bills: An unexplained increase in your energy bills can indicate an HVAC issue. If you notice a sudden spike in your energy costs, it could be due to your system working harder than it should. This might be caused by dirty filters, duct leaks, or other inefficiencies. Investigate the cause and address it promptly.


Conclusion: Regular maintenance and prompt troubleshooting can help keep your HVAC system running smoothly and efficiently. By following these tips, you can address common issues and potentially avoid costly repairs. However, if you're unable to resolve a problem or if it requires professional attention, don't hesitate to contact Sharony HVAC. Our experienced technicians are here to ensure your home remains comfortable year-round.


Call to Action: If you're experiencing HVAC issues that you can't resolve on your own, contact Sharony HVAC for professional assistance. Our team is ready to help with all your heating and cooling needs.


Contact Information:

Phone: (866) 742-7669



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