Air conditioner

Alliance HVAC install brand new high efficiency air condition or service and repair existing air conditioning to keep you and your family cool.

When you need air conditioning service-FAST, you can trust an Alliance Energy Source technician to arrive on time and provide you with professional, friendly, and quality service. With 20 years of experience, we guarantee you will be 100% satisfied with our air conditioning service. whether you are interested in a new cooling system, require  AC service, or simply want to sign up for routine maintenance, whenever you need our support, we are ready to serve you.


Alliance HVAC offers Services to over 20 Communities and territories throughout GTA.

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New Air Condition Installation, repair

Furnace Installation

Furnace Repair

Furnace Service

Furnace Maintenance

Energy Saving Tips

Choosing a Right and Energy Efficient Heating For your House



New Air Condition Installation, service

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


no interest financing

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.




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


Ask Alliance Energy Source Customer Services if you have any question.

Alliance Durham Region: 905 426 8471

Alliance York Region: 905 470 7555

Alliance Peel Region:   416-259-6767


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