Furnace Troubleshooting in New Westminster

Furnace Troubleshooting in New Westminster

As winter sets in across New Westminster, the demand for a reliable and efficient furnace becomes paramount for maintaining home comfort. However, even the best furnaces can encounter issues that may hinder their performance. ROMA Heating and Cooling provides expert furnace troubleshooting services in New Westminster to help you identify and resolve common furnace problems efficiently. This comprehensive guide will cover detailed troubleshooting steps for common furnace issues, ensuring your home stays warm and safe throughout the colder months.

Understanding Furnace Basics

Before diving into troubleshooting, it’s important to understand the basic operation of your furnace. This knowledge will help you diagnose issues more effectively.

Key Components of a Furnace

  • Thermostat: Controls the temperature and activates the furnace to start heating when needed.
  • Ignition System: Modern furnaces use electronic ignitions, which can be either a hot surface ignition or intermittent pilot.
  • Burners: Mix fuel with air and burn it to produce heat.
  • Heat Exchanger: Transfers heat from the burners to the air circulated throughout your home.
  • Blower Motor: Drives the fan that circulates air through the ducts.
  • Flue or Vent: Allows gaseous by-products to exit to the outside.

Common Furnace Problems and Troubleshooting

1. Furnace Does Not Produce Heat

Potential Causes:

  • Incorrect thermostat settings.
  • Power issues (tripped circuit breaker or blown fuse).
  • Ignition or pilot failure.

Troubleshooting Steps:

  1. Check the Thermostat: Ensure it’s set to “heat” and the temperature setting is appropriate.
  2. Inspect Electrical Panels: Reset any tripped circuit breakers or replace blown fuses.
  3. Examine the Ignition System: In cases of ignition failure, professional service may be required.

2. Furnace Does Not Produce Enough Heat

Potential Causes:

  • Dirty air filters.
  • Improperly adjusted gas burners.
  • Inadequate airflow.

Troubleshooting Steps:

  1. Replace or Clean Air Filters: This should be done every 1-3 months during the heating season.
  2. Check Airflow: Ensure registers are open and unblocked.
  3. Adjust Burner Flames: This should be done by a professional to ensure proper and efficient burning.

3. Frequent Cycling or Overheating

Potential Causes:

  • Overheating due to restricted airflow.
  • Faulty thermostat or blower motor.
  • High limit switch problems.

Troubleshooting Steps:

  1. Check Filters and Airflow: Replace the air filter and make sure all vents are free of obstructions.
  2. Inspect the Thermostat: It might need recalibration or replacement if it’s not functioning properly.
  3. Evaluate the Blower Motor: Listen for unusual noises or check for overheating.

4. Unusual Furnace Noises

Potential Causes:

  • Loose parts.
  • Maladjusted burners.
  • Issues with the blower motor or inducer.

Troubleshooting Steps:

  1. Tighten Loose Panels: Check access panels and tighten any loose screws.
  2. Inspect the Blower Motor and Fan: Ensure they are not obstructed and are running smoothly.
  3. Check for Dirt on Burners: Dirty burners can produce a rumbling noise.

5. Furnace Blower Runs Continuously

Potential Causes:

  • Faulty fan limit switch.
  • Incorrect thermostat settings.

Troubleshooting Steps:

  1. Check Thermostat Settings: Make sure the fan setting is on “Auto” rather than “On”.
  2. Inspect the Fan Limit Switch: If it’s faulty, it may require replacement.

When to Call ROMA Heating and Cooling

While some troubleshooting can be handled by homeowners, there are situations when it’s best to call in professionals:

  • Gas Leaks: If you smell gas, turn off the furnace immediately and call ROMA Heating and Cooling.
  • Continuous Ignition Failures: Repeated issues with the ignition system are best handled by experts.
  • Complex Mechanical Issues: Problems involving internal components like the heat exchanger or motor should be serviced by qualified technicians.

Why Choose ROMA Heating and Cooling?

  • Experienced Technicians: Our team is highly trained and experienced in handling a wide range of furnace issues.
  • Prompt and Reliable Service: We understand the urgency of furnace problems and provide quick, reliable solutions.
  • Customer Satisfaction: We are committed to ensuring your heating system is repaired to your full satisfaction.


Furnace troubleshooting in New Westminster is crucial for maintaining a comfortable and safe home environment. With this guide, ROMA Heating and Cooling aims to empower you with the knowledge to identify common furnace issues. However, for any complex problems or if you’re unsure of a solution, don’t hesitate to contact us at (604)704-0300 or via email at info@Romaheating.ca. We are here to ensure your furnace operates efficiently and safely throughout the winter months.

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