Family Owned & Operated Since 1999
Furnace Repair
No Diagnostic Charge
warranty for Repair and parts
Licensed & Insured
Prompt, Professional Service
All Make and Brands
Trustworthy Technicians

Alliance Energy Source is one of the best furnace repair services in Toronto and the territories around. We offer genuine & reliable furnace services to our customers with our trained professionals to ensure your comfort and safety at home.
Keep your home warm all winter long with our selection of the best brand furnaces, our techs will walk with you to figure out the most appropriate heating system type, size and model for your home and office needs. We ensure that it is properly installed so that it can perform to its maximum efficiency and provide many years of reliable heating. Beside the installation and replacement of furnaces, we also deliver outstanding furnace repair and maintenance services in the city. Our HVAC experts offer emergency residential as well as commercial servicing and repairs 24/7.
We also offer annual furnace maintenance plans to ensure our customers are never without heat during cold winters. For more information on a plan that is right for you or to schedule a furnace tune-up, call Alliance Energy Source at 416-259-6767 right away.
Furnace repair services in your area including the GTA, Toronto, North York, Scarborough, Etobicoke and Markham.
Furnace Sales, Installation, Repair & Maintenance Services In Toronto & GTA

The Benefits offered by Forced Air Furnace Systems:
• Up to 50% reduction in natural gas or fuel oil consumption
• Potentially, energy efficient & lower energy bills
• Air is filtered and filtration can easily be upgraded
• Fewer cold and warm air spots in the home
• Better humidity control and indoor air quality when matched with corresponding equipments
• Quieter & safer in operation
• Requires little maintenance, there’s only one unit
• Space saving, more choices of units’ location and elimination of the need for a chimney
• They are simple and reliable, with parts like fans, belts, and motors that can be easily replace


Furnace Repair and Maintenance
How Do I Know if My Furnace Needs Repairs or Maintenance and Who Should I Contact?
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What's need to be done in a Furnace Maintenance?
- Test motor amps Check high limit control (adjust as needed)
- Test ignitor resistance, Test motor amps Check high limit control (adjust as needed
- Replacement of filter provided by the customer while on-site at the time of inspection
- Clean flame sensor/thermocouple
- inspect gas lines and connections at furnace/boiler for leaks
- Check and adjust manifold gas pressure
- Inspect burner ignition system and assembly
- Inspect gas burners
- Check and calibrate thermostat as required
Furnace Maintenance

Things to Check on Your Furnace Before You Call Us
You need to have some visual examination by yourself before call us for furnace repair – it would be helpful for experts when you can provide some self-examination tips.
- Check your control thermostat, make sure it is on HEAT and battery its sufficient (if applies)
- Check your main Furnace power if it has not been turned off by accident.
- Check your discharge venting if covered by snow
- Check your furnace drain (if Applies) to make sure its draining condensation.
Furnace Service Warranty
Our Labor service warranty will cover up to 1 month. And a part warranty applies to Manufacture policy for parts warranties. There is always a hard time for claiming warranty, we are here for you to provide A to Z service. We will take care of all warranty paperwork and submissions. Call us today to have our experts at your place for furnace repair service and any HVAC needs.