Alliance Energy Source Customer Services open 24 hours a day, 7 days a week.
If you have any questions or are experiencing problems with your, furnace, air conditioner, water heater or rooftop please contact Alliance Energy Source Customer Service.

Alliance Durham Region

Our  Contact Phone:


Customer Service and sales: 905 426 8471

Technica Support and Repair: 647 572 6163


Our Email :


Our Offices:


Ajax:203-11 Harwood Ave., S, Ajax



Pickering | Ajax | Whitby | Oshawa | Clarington | Uxbridge | Scugog


Looking for Best HVAC Services:


  • Best Services for Repair and Maintenance

  • Best Equipment and Parts

  • Best Warranty

  • Best Installation


Call Us Today


Furnace Installation

Furnace Repair

Furnace Service

Furnace Maintenance

Energy Saving Tips

Choosing a Right and Energy Efficient Heating For your House




Air Conditioning Installation

Air Conditioning Service

Air Conditioning Repair

Ductless Mini splits

Energy Efficient Tips

Choosing a Right and Energy Efficient Cooling For your House


High-Efficiency Package

24 Month 0% Intrest Equal Payments

Offer Ends Feb 31st

You may be eligible for a government rebate and you may also qualify for utility rebates and incentives when you purchase a Lennox® high-efficiency heating or cooling system.


Ajax Office

Alliance  independent locations are Premier authorized dealers of
heating, air conditioning products in the following areas:


Toronto | Markham | Arura | Newmarket | Vaughan | Stouffville | Richmond Hill | East  Gwillimbury |Pickering | Ajax  | Whitby | Oshawa | Uxbridge| Brock | Clarington | Scugog | Etobicoke | Mississauga | Brampton |  Caledon


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