Best Furnace Repair Services in Oshawa, ON
Northfield Mechanical repairs gas furnaces of every make across Oshawa, seven days a week from 8:00 am to 8:00 pm.
Oshawa is the eastern end of our Durham Region run, so booking early in the day helps.
The price is quoted before work starts and the diagnostic is free when it leads to a repair.
Call 416 417 1799 or see our heating and cooling services .
Booking an Oshawa Call
Oshawa is the furthest point east that we cover, so the advice here is practical rather than promotional.
Call early in the day, particularly in a cold snap, and the office will tell you honestly what time it can hold rather than booking a window it cannot reach.
Bookings made the day before are easier again.
Plan Your Furnace Repair Visit
Service Area:
Oshawa and surrounding
Durham Region communities
Service Hours:
Seven days a week
8:00 am to 8:00 pm
Booking Advice:
Call early or book the
day before for more
appointment options.
Older Housing, Older Furnaces
Oshawa has a large stock of older housing, including homes built for the auto industry during the middle of the last century. Many still have conventional atmospheric furnaces venting into masonry chimneys.
Chimney Draft Problems
Conventional chimney vented furnaces can develop draft problems, particularly when chimney liners begin to deteriorate.
Heat Exchanger Concerns
Older heat exchangers need professional inspection rather than being assumed sound.
Blower Motor Failures
Blower motors can wear with age and affect airflow throughout the home.
Capacitor Problems
Worn capacitors can prevent furnace motors from starting or running correctly.
Igniter and Flame Sensor Faults
Igniters and flame sensors can fail or become dirty, causing ignition and shutdown problems.
Limit Switch Shutdowns
Limit switches may trip when the duct system cannot move enough air for the furnace.
Condensing Furnace Faults
Newer homes in northern Oshawa often have condensing furnaces with condensate drainage and venting problems.
Draft, Venting and Older Chimneys
Conventional furnaces rely on a chimney to carry combustion products out of the house. In older Oshawa properties, that chimney is often the oldest part of the system.
Deteriorating Chimney Liners
Chimney liners can deteriorate with age and interfere with proper venting of combustion gases.
Blocked or Oversized Flues
Blockages and flues sized for larger appliances can cause draft problems in older homes.
Visible Warning Signs
Spillage at the draft hood, soot, burners that fail in certain wind conditions, and corrosion can indicate venting problems.
Important Chimney Safety Consideration
Venting problems can become especially important when a high efficiency furnace replaces a conventional furnace and leaves a water heater venting into the original chimney.
The chimney may then be too large for the water heater alone, potentially creating unsafe draft conditions.
Have chimney and venting problems inspected by a qualified technician. If a carbon monoxide alarm sounds, leave the building immediately and call emergency services from outside.
Repair or Replace in an Older Oshawa Home
The right choice depends on the furnace age, the cost of repairs and the overall condition of the system.
Under Ten Years Old
A furnace under ten years old with a single failed part is generally worth repairing.
Over Fifteen Years Old
If a furnace is over fifteen years old, needs an expensive repair and has poor efficiency, replacement may make more sense.
Cracked Heat Exchanger
A cracked heat exchanger requires the furnace to be taken out of service because of the carbon monoxide risk.
What You Get
Northfield Mechanical provides furnace repairs and installation services with clear pricing and qualified technicians.
All work is performed by TSSA certified technicians.
The diagnostic is free when it leads to a repair, and the repair price is agreed before work starts.
Pricing and Warranty Coverage
Diagnostic:
Free when it leads
to a repair.
Repair Warranty:
Two year warranty.
Installation Parts Warranty:
10 year warranty on
manufacturer parts.
Book Furnace Repair in Oshawa
Call 416 417 1799 or book an appointment online for professional furnace repair and heating services in Oshawa.
We also cover Whitby and Ajax , and handle air conditioning in Oshawa in the summer.
