When January temperatures hit their coldest in Edmonton, your furnace becomes one of the most important systems in your home or business. Unfortunately, winter is also when furnaces are most likely to show signs of trouble. Small issues can quickly turn into costly repairs, or worse, a full system breakdown, if left unaddressed.
At Academy Mechanical Services Inc., we help Edmonton homeowners and businesses stay warm all winter long. Below are some of the most common furnace problems we see during peak heating season and what you can do to avoid them.
Dirty or Clogged Furnace Filters
The problem:
A dirty air filter restricts airflow, forcing your furnace to work harder than it should. This can lead to uneven heating, higher energy bills, and increased wear on internal components.
How to avoid it:
•Replace or clean your furnace filter every 1–3 months during winter
•Homes with pets or high dust levels may need more frequent changes
•A clean filter improves airflow, efficiency, and indoor air quality
Uneven Heating Throughout Your Home
The problem:
• An overheating furnace may shut down repeatedly, often due to airflow restrictions, clogged filters, or blocked vents. Overheating can damage the system if left unchecked.
How to avoid it:
• Change furnace filters regularly to maintain proper airflow
• Avoid closing too many interior doors, which can restrict airflow
• Keep supply and return vents open and unobstructed
Furnace Overheating
The problem:
Banging, rattling, squealing, or humming noises are not normal and usually indicate loose parts, belt issues, or ignition problems.
How to avoid it:
• Change air filters regularly
• Keep vents and registers unobstructed
• Schedule professional inspections to prevent overheating issues
Furnace Blower Issues
The problem:
If your furnace blower isn’t running properly, air may not circulate efficiently, making your heating system work harder and wear out faster.
How to avoid it:
• Keep vents and returns clear
• Listen for unusual sounds from the blower
• Have a technician inspect and lubricate the blower annually
Furnace Won’t Turn on or Stops Working Suddenly
The problem:
This is every homeowner’s winter nightmare, especially during an Edmonton cold snap. Causes can range from thermostat issues to ignition failure or worn-out components.
How to avoid it:
•Schedule annual furnace maintenance, ideally before it gets too cold
•Address minor issues promptly instead of waiting for a breakdown
•Keep your system well-maintained to extend its lifespan and reliability
Prevent Problems Before They Start
The best way to avoid furnace issues is regular professional maintenance. A routine inspection can catch small problems early, improve efficiency, and ensure your furnace is ready to handle Alberta’s harsh winter conditions.
If your furnace is making noises, heating unevenly, or hasn’t been serviced recently, Academy Mechanical Services Inc. is here to help. We are a proudly Canadian, family-owned business serving Edmonton and area since 1990.
Contact us today to schedule furnace maintenance or repairs at www.academymechanical.com.
