
FURNACE REPAIR BARRIE
Furnace Repair Barrie: 5 Common Furnace Problems & How to Fix Them
A properly functioning furnace is essential for keeping your home warm during Barrie’s harsh winters. However, furnaces can develop issues over time, leading to discomfort and even costly repairs. If your heating system isn’t working as expected, knowing the common furnace problems and their fixes can save you time and money. In this guide, we’ll discuss five frequent furnace issues and when to call a professional for furnace repair in Barrie.
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1. Furnace Blowing Cold Air
When your furnace is blowing cold air instead of warm, it can quickly become a major problem, especially during the winter months in Barrie. There are several potential causes:
Common Causes:
- Thermostat Settings: Ensure that the thermostat is set to “heat” and the fan is on “auto” rather than “on.”
- Dirty Air Filters: A clogged air filter can restrict airflow, causing overheating and forcing the system to shut down.
- Pilot Light or Ignition Issues: If your furnace uses a pilot light, it may have gone out. For newer models with electronic ignition, a faulty sensor may prevent proper heating.
How to Fix It:
- Check and replace the air filter if it’s dirty.
- Ensure the thermostat is set correctly.
- If the pilot light is out, follow the manufacturer’s instructions to relight it.
- If none of these solutions work, call a heating repair expert in Barrie to diagnose the issue.
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2. Thermostat Not Responding
A non-responsive thermostat can make it seem like your furnace isn’t working at all. This problem is often easy to fix, but if left unresolved, it can prevent your home from heating properly.
Common Causes:
- Dead Batteries: If your thermostat is battery-powered, check if the batteries need replacement.
- Loose Wiring or Connection Issues: If the wiring inside the thermostat is faulty, it may not communicate with the furnace.
- Programming Errors: If your thermostat is programmable, check that the correct settings are applied.
How to Fix It:
- Replace the thermostat batteries and restart the system.
- Inspect the wiring (if comfortable doing so) or call an HVAC professional.
- Reset the thermostat by turning it off and on.
- If your thermostat is outdated, consider upgrading to a smart thermostat for better control.
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3. Pilot Light Keeps Going Out
A pilot light that won’t stay lit is a sign of an underlying issue that needs attention.
Common Causes:
- Dirty Pilot Orifice: Dirt and debris can clog the pilot orifice, preventing a steady flame.
- Faulty Thermocouple: The thermocouple is a safety device that shuts off the gas if it doesn’t detect a flame. If it’s malfunctioning, it may incorrectly shut off the gas supply.
- Drafts: Strong drafts near the furnace can blow out the pilot light.
How to Fix It:
- Clean the pilot orifice using compressed air or a small brush.
- Inspect the thermocouple and replace it if necessary.
- Check for drafts and seal any openings near the furnace.
- If the pilot light still won’t stay lit, contact a furnace repair specialist in Barrie to inspect the system.
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4. Furnace Making Loud Noises
Unusual noises coming from your furnace can indicate mechanical problems that need immediate attention.
Common Sounds & Their Causes:
- Banging or Popping: Caused by delayed ignition or expanding air ducts.
- Squealing: Indicates a worn-out blower belt or motor bearings that need lubrication.
- Rattling: Loose panels or broken internal components.
- Clicking: Faulty flame sensor or ignition issues.
How to Fix It:
- Tighten loose panels and screws to stop rattling noises.
- Replace the blower belt if it’s frayed or worn.
- Lubricate the blower motor bearings if needed.
- If you hear banging noises, call a professional as it could indicate gas buildup, which is dangerous.
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5. Short Cycling (Turning On & Off Frequently)
If your furnace is constantly turning on and off, it could lead to higher energy bills and reduced efficiency.
Common Causes:
- Clogged Air Filters: Restricted airflow can cause overheating, leading to short cycling.
- Faulty Thermostat: A malfunctioning thermostat may misread temperatures and shut the furnace off prematurely.
- Overheating: Internal safety mechanisms may be shutting down the system due to overheating.
How to Fix It:
- Replace dirty air filters regularly.
- Check and recalibrate the thermostat.
- Ensure vents and air registers are open and not blocked.
- If the problem persists, a heating repair technician in Barrie can diagnose and fix the issue.

FURNACE REPAIR BARRIE
When to Call a Professional for Furnace Repair in Barrie
While some furnace issues can be resolved with DIY fixes, others require the expertise of a certified HVAC technician. Here are signs that you should call a professional:
- Your furnace isn’t producing any heat despite troubleshooting.
- There is a burning smell or unusual odors coming from the unit.
- You hear persistent loud or unusual noises.
- Your energy bills have significantly increased without explanation.
- The furnace is over 15 years old and experiencing frequent issues.
If you’re facing furnace troubles, don’t wait until it’s too late! Contact Air Source Home Comfort for expert furnace repair in Barrie.
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FAQs About Furnace Repair in Barrie
This could be due to a faulty thermostat, clogged air filter, or pilot light issues. Check these components before calling a technician.
It’s recommended to replace the furnace filter every 1-3 months, depending on usage and the type of filter you use.
Costs vary depending on the issue but can range from $150 for minor fixes to over $500 for major repairs.
Regular maintenance, including filter replacements, annual inspections, and keeping the unit clean, can help prevent most furnace issues.
If your furnace is more than 15 years old and needs frequent repairs, replacing it might be more cost-effective in the long run.
Maintaining your furnace is crucial for ensuring a warm and comfortable home in Barrie’s cold climate. By addressing common furnace issues early and scheduling regular maintenance, you can avoid costly breakdowns and extend the life of your heating system. If you’re experiencing furnace troubles, reach out to Air Source Home Comfort for professional furnace repair in Barrie today!