Family Owned & Operated Since 1999

                                                      Heating & Cooling                                           


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     N O T H I N G             C   A   N              S    T    O    P              U      S,                  I      N                H            V          A          C


$6500 Gov Rebate On Approved Heat Pumps 

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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 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




As of   York 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


Havc 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.

Certified york dealers is supported by The Master Group, the largest independent distributor in the field of HVAC in Canada. york distinguished itself for its extensive inventory, exceptional customer service and technical expertise.


we are committed to provide the best service and your satisfaction is guaranteed
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 


We are a fully factory authorized Lennox premier dealer with more than 100,000 hurs residential and commercial experience in heating and cooling industries. We participate in factory training. Our expert techs are professionally trained and fully licensed. 


Starting January 2023, homeowners in Ontario have access to the Canada Greener Homes Grant via the HER+ program. It is open for all eligible Ontarians regardless of their heating fuel type.


Most of all manufactures offer 10 years limited warranty with product warranty registration. Alliance energy will be registering  your products, please follow the link.


Alliance Energy source has protected its clients interest by fully being  insured and licensed with required Gov licenses to operate an Heating and Cooling services.  


Try to save every corner you losing energy. But Attic insulation with unlivable Rebate, its not just a corner. By increasing your attic insulation to R50 value, you will save min  25% of your heat and cool lost.



Best products and services.
Alliance offers best product lines such as Lennox, York and Goodman which are well established names. also the main advantage is to serve you with best licensed, insured hvac technicians 


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



Award-winning service.
We have been voted as one of top 3 heating and cooling company in Markham, Scarborough and Toronto . Lennox award wining of 2013, 2014, 2015, 2018, 2021, 2201. Our best service and knowledge will combined to create the hvac as an art.



customers are our new family
We love to have long client_relations with our hvac customers and home owners. To serve them with their heating and cooling needs anytime as their need. We always make sure your hvac project its done with your full satisfactions. (review )



lennox Furnace

Alliance is an authorized dealer 
Every Lennox Premier Dealer is trained to deliver a level of comfort and service that exceeds customer expectations. Because Lennox Premier Dealers understand that actions speak louder than words, instead of just talking quality, they practice it through listening and responding to your comfort needs.



We Participating in HRAI programs, annual factory, HRAI and other supplier training and educational courses. we are not missing any opportunity to learn more about hvac and new technology with all benefits to offer our client best solutions for their heating and cooling needs. 



With More than 100 thousand hurs of training and experience on Furnace, Ac, Heat Pump, Water Heater, Boilers and accessories. We are really proud to serve you for your healty climate and hvac needs. Let us to take care of all your home hvac needs. such as Furnace, Ac, humidifier, Air Cleaner, HRV, Water Heater, Hepa Filter, Thermostat.


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Water Heater 

Alliance energy source is the first choice for your water heater rentals. Whenever you lease a water heater through us, you are now part of service free water heater rental program. With our 24 hours maintenance and service, you will be getting worry-free hot water. The parts and labor are under 10 years warranty with no excuse. (Tankless)



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.