Looking for Water Heaters?

Click here

Looking for the top gas furnaces?

Click here


Feel warmer for lower fuel costs with our Lennox and York furnaces.



Our Lennox and York air conditioning units provide quality keeps you cool, no matter how hot it gets.



We provide first-class boiler services, including boiler repairs and new boiler installations.



Enjoy bacteria-free warm moisture for soothing with our Lennox and York Humidifiers.



We offer a complete line of digital and programmable thermostats.



Welcome to Alliance Energy Source Alliance Energy Source has started the operation in the early 2000 & over the years it has grown up into one of the most well known & established company providing people with quality products & solutions for heating and Air conditioning services in the GTA. We are your single source for all of your Heating & Air Conditioning needs.

We supply & install almost all types of Furnaces & Air Conditioners manufactured by many different brands. All our Heating & Air conditioning Products are highly energy efficient, which are not only high quality but also save energy which save you dollars.

Why choose us?

Our Technicians are very knowledgeable, courteous, licensed and well trained to help you with all your heating and cooling needs including maintenance, repairs, and installations.

We are an award winning company.

Our main company policy:100% Customer Satisfaction Guarantee.

Punctuality & Professionalism: All of our technicians reach the job site on time & deal with the customer very professionally.

Price Guarantee: We will beat or match any written quote for similar products.

Honesty and Reliability: When you choose us, you will always know exactly what you will get, when you will get it, and how much it will cost. There are absolutely no hidden fees or surprises.

We honor most manufacturers parts warranties.

Senior Discounts

Emergency Service 24/7: Emergency service is available 24 hours a day, 7 days a week.

Expert Services for all HVAC Brands & models

Copyright @ 2015. ALLIANCE ENERGY SOURCE. All Right Reserved
Website Designed and developed by Bizmark Solutions.

Alliance Energy Source