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January 2, 2025

Troubleshooting Furnace Issues: When To Call for Repairs

Author of Article
Blue Ribbon

Most homeowners will face common furnace issues at some point. Fortunately, you can often troubleshoot these problems before calling a professional. 

This guide covers everything you need to know about diagnosing furnace issues, including when to seek repairs, why your heater may break down, and more.

Is Your System Not Working? Solutions You Can Try To Fix It

While no one wants to deal with a faulty heating system, you shouldn’t immediately panic if yours malfunctions. Use the following furnace repair guide to try and restore your heat on your own. If these measures don’t do the trick, then you’ll know when to call furnace repair technicians.

1. Check Your Thermostat

When your furnace isn’t working, there are several possible solutions to consider. One simple way to check if the heater is functioning properly is by adjusting your thermostat settings. The thermostat might not be set to “Heat,” or it could be set to a temperature too low for you to notice.

In some cases, the thermostat may not work. Replace the batteries to see if this helps. 

2. Confirm Your Heater’s Power Source Works

If you ask a professional about furnace troubleshooting, they’ll likely suggest a tripped circuit breaker as a common cause for a lack of heat. Check your home’s breaker box to see if the circuit breaker for your furnace has been switched off. Keep an eye on any power issues with your HVAC system, as they could indicate the need for professional repairs.

3. Change the HVAC Air Filter

You’ll likely experience several furnace malfunction signs if you fail to change the air filter, including:

  • Restricted airflow
  • Short cycling
  • Higher energy bills
  • Poor indoor air quality

Replace dirty filters to help troubleshoot your underperforming heater.

4. Clear the Space Around the Air Intake Vent

Your outdoor air intake vent can clog with leaves and other debris. This prevents fresh air from entering the unit and may affect its overall function. Make sure this vent remains unobstructed while you operate your heating system.

5. Inspect the Pilot Light

Gas units begin the heating cycle with a flame known as the pilot light. One of the most common issues centers around pilot light ignition. Check to see if your pilot light turns on or if it struggles to ignite. 

If your pilot light isn’t working properly, turn off the gas supply and clean the ignition tip with a soft bristle brush. Reignite the pilot light and monitor the flame. If it still fails to ignite or has a pale yellow color, you need a professional to perform repairs. 

When To Call a Professional

Reach out to an expert if:

  • You’ve tried standard troubleshooting and nothing’s worked.
  • You notice the smell of gas.
  • You’ve noticed loud banging noises coming from your system.

Schedule Repair Services With Blue Ribbon Cooling & Heating

Blue Ribbon Cooling & Heating is here to help you with all your furnace issues, from troubleshooting to knowing when it’s time for repairs. Our expert team is dedicated to keeping your home warm and comfortable all season long.

Is your furnace in need of repair? Contact us today at (512) 308-3515!