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What to Do When Your HVAC Unit Stops Working

When your HVAC system stops working, especially during extreme weather, it can be a stressful experience. While it’s always best to call in professionals, there are some steps you can take to diagnose and fix the issue before reaching out for emergency services. Here’s a guide to help you through the process.

Step 1: Check the Thermostat

Start by checking your thermostat settings. Ensure it is set to the correct mode (heat or cool) and appropriate temperature setting. Sometimes, the thermostat may be off or set incorrectly, causing your HVAC unit not to function.

Step 2: Inspect the Circuit Breaker

Go to your home’s electrical panel and check if any breakers have tripped. If you find a tripped breaker for your HVAC system, reset it by turning it off and back on. If it trips again immediately, it’s best to contact a professional as this indicates a more serious electrical issue.

Step 3: Replace Air Filters

Dirty air filters can restrict airflow and cause your HVAC system to stop working efficiently or even shut down. Locate your air filter, remove it, and check its condition. If it looks dirty or clogged, replace it with a new one.

Step 4: Check the Outdoor Unit

For air conditioning issues, inspect the outdoor unit. Ensure no obstructions such as leaves, debris, or snow around the unit. Clear any blockages and ensure at least a two-foot clearance around it for proper airflow.

Step 5: Inspect the Vents

Make sure all vents in your home are open and unobstructed. Blocked vents can cause uneven heating or cooling and put strain on your HVAC system.

Step 6: Check for Ice Buildup

In the winter, check your outdoor unit for ice buildup. Ice can cause your system to stop working. Turn off the unit and let it thaw completely before turning it back on. If the problem persists, call a professional.

Step 7: Look for Error Codes

Many modern HVAC systems have a digital display that shows error codes when something goes wrong. Refer to your system’s manual to understand these codes and troubleshoot accordingly.

Step 8: Listen for Unusual Noises

Pay attention to any unusual noises coming from your HVAC unit. Strange sounds can indicate mechanical problems that require professional attention.

Step 9: Inspect the Drain Line

Clogged drain lines can cause water damage and make your system stop working. Check the drain line for any blockages and clear them if necessary.

Step 10: Contact Roscoe Brown

If you’ve gone through these steps and your HVAC system is still not working, it’s time to call in the experts. Roscoe Brown offers HVAC repair services to ensure your home stays comfortable and safe. Our experienced technicians are ready to restore your system’s functionality anytime, any day.

By following these steps, you can troubleshoot your HVAC system and potentially fix minor issues on your own. However, for more complex problems or when in doubt, always rely on the professionals at Roscoe Brown to ensure your system is in the best hands.

Is your unit down for the count? Don’t wait—get a quick on-screen quote for a new unit today. We’re here to help you get back to comfort quickly!

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