How to Tell if Your Furnace Needs Repair

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When the cold months approach, the last thing you want is a malfunctioning furnace. Furnace maintenance is vital for the comfort and safety of your home. But how can you tell if your furnace requires repair? 

This article aims to look into the signs indicating it’s time to call the professionals for a furnace repair.


1. Unusual Noises

All furnaces make some noise when operating, but sudden, loud, or unusual sounds can cause concern. If you hear banging, whining, or grinding noises, it’s a clear sign that something is amiss. These sounds indicate a loose belt, ignition problems, or a failing motor.


2. Rising Energy Bills

When your energy bills rise without an increase in usage, your furnace might be the culprit. An inefficient furnace has to work harder, using more energy to produce the same heat. This inefficiency can be due to various reasons, from dirty filters to more severe mechanical issues.


3. Frequent Cycling

Your furnace should cycle on and off to maintain the desired temperature in your home. However, if it’s frequently turning on and off, it might be a sign that it’s not functioning correctly. This frequent cycling can be due to a malfunctioning thermostat, improper airflow, or other internal issues.


4. Inequalities in heating

Some rooms in your home might be colder than others, indicating that your furnace needs to distribute heat evenly. This could be due to issues with the ductwork, a clogged filter, or problems with the furnace’s blower.


5. Yellow Flame

Blue is the colour of a flame that is healthy. If the flame is yellow or flickering, it might indicate that the furnace isn’t burning efficiently. This can signify a potential carbon monoxide leak, a severe health hazard. If you notice a yellow flame, it’s crucial to call for a furnace repair immediately.


6. Age of the Furnace

In general, furnaces last 15 to 20 years. You’re more likely to experience problems if your furnace is approaching or has exceeded this age range. Regular maintenance can extend its lifespan, but older units are generally less efficient and more prone to breakdowns.


7. Water Leaks

Water pooling around your furnace is not a good sign. This could be due to a clogged condensate line or issues with the furnace’s cooling system. It is important to address leaks promptly.


8. Difficulty Starting the Furnace

If your furnace struggles to start or doesn’t stay on, it’s a clear sign that something is wrong. This could be due to various issues, from faulty thermostats to pilot lights or ignition problems.


9. Excessive Dust or Dry Air

A well-functioning furnace should filter and humidify the air in your home. If you notice an increase in dust or the air feels excessively dry, it might be a sign that your furnace isn’t filtering or humidifying effectively.


10. Visible Signs of Rust or Corrosion


If you see rust or corrosion on or around your furnace, it’s a sign that it’s deteriorating. This can lead to inefficiencies and potential breakdowns.


In Conclusion

Furnaces contribute significantly to the comfort and safety of your home. Recognizing the signs of a malfunctioning furnace can help you address issues before they escalate. Many of these problems can be prevented with regular maintenance. Still, if you notice any of the above signs, you must call professionals for a thorough inspection and necessary repairs.


Remember, it’s always better to address potential problems sooner rather than later. By being proactive and seeking furnace repair when needed, you can ensure a warm and cozy home during the cold months.


If you live in the Hamilton or surrounding area (including Ancaster, Burlington, Binbrook or Grimsby) and require any type of repair to your gas furnace, you can trust the experts at Hamilton Home Comfort.