Family Owned & Operated Since 1999

                                                      Heating & Cooling                                           


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Alliance Energy Source has started a heating and cooling business in Toronto area since 1999, and it is growing rapidly until today with few different locations in GTA as of Lennox and york dealer. with more than 11,000 clients.( Gallery)

We have Lennox product with all kind of heating and cooling products to satisfy your home hvac needs. We install world class hvac systems.



We are proud to be Lennox premier Authorized Dealer for more than 20 years. Nothing can be comparable to this great products and amazing customer solutions. A Lennox full residential line of hvac equipment (Furnace Models, AC Models) has provided us best tools to offer best hvac product. Heat Pump


Fast And Reliable

We are here for any heating and cooling needs at your home, you are a call away from being hvac problem free

Experienced Tech

We always proud and unique about our licensed technician, more than 60 yreas combined experianced and hvac care


We are considered as one of the fair pricing hvac company which our reviews are available to read and trust


with more than 12000 new installation and service, customer satisfaction its our priority to make sure you geyour job dont


 call for detail 


 call for detail 

As of  York  certified Dealer for more than 20 years in GTA, York heating and cooling products and all indoor accessories are one of best and reliable Furnace and Ac you can ask for your home comfort.  furnace Models

Outdoor unit adopts inverter compressor, efficiency is up to 20SEER & 10.5HSPF.Adopt Gree two-stage compression EVI technology, small performance decline at extremely hot or cold area.Compatible with most standard 24V thermostat in the market.

Financing available

HVAC Financing is one of our best tools to provide an easy solution for home owners to pay for their hvac replacement. From 24 to 120 months of financing is available for qualified home owners. we apply through 3rd part such as Snap Home Financial, U.E.I or Financit.


we are committed to provide the best service.
Alliance have been providing professional Heating and Cooling services to homeowners. We will be more than happy to hear about your experiance with us. Homestars, Google Review, Trust pilot Review, Lennox Review 

hvac technician

Our fully licensed and experienced technician.
They are the best hvac tech that can be found, as of family business we care more than all. we have thousands of hvac story with our tech combined of 40 years of experience and visiting costumer hvac in their home. we are registered and fully authorized


Alliance Energy source has been well recognized by local and reginal community for its hvac expertise. Alliance has involved in social networking such as Facebook to help every individual or family in heating and cooling needs. We provide on line training on YouTube, you can find us here in, Instagram,


Alliance Energy Source Is A Single Source For All Your HVAC Needs

Alliance HVAC installs brand new high-efficiency Furnace and air condition or service and repair existing air conditioning to keep you and your family relax. When you need air conditioning service, you can trust an Alliance Energy Source technician to arrive on time and provide you with professional, friendly, and quality service. With more than 40 years of combined experience, we guarantee you will be 100% satisfied with our air conditioning service. 


We are proud to be Lennox premier Authorized Dealer for more than 20 years. Nothing can be comparable to this great products and amazing customer solutions. A Lennox full residential line of hvac equipment (Furnace Models, AC Models) has provided us best tools to offer best hvac product. Heat Pump