Alliance Energy Source is a trusted HVAC company providing professional heating and cooling services throughout the Greater Toronto Area, including Richmond Hill, Toronto and Markham since 1999. Our certified technicians specialize in air conditioner installation, AC repair, furnace installation, furnace repair, and complete HVAC maintenance to keep your home comfortable year‑round.
We proudly install and service high‑efficiency HVAC systems from trusted brands like Lennox. Whether you need same‑day air conditioning service in the summer or furnace tune‑ups in the winter, our experienced team delivers fast, reliable service with honest pricing and exceptional customer care.
Alliance Energy Source is a trusted HVAC company serving Richmond Hill, Toronto, and Markham since 1999. We specialize in AC repair, furnace installation, and complete heating and cooling services across the GTA.
eady for HVAC service or installation?
Call us today: 📞 416‑259‑6767 | 905‑470‑7555
Or request a free quote!
Heating furnace from 99% Efficiency, with 10 years warranty registration, Same day service available, slp99, El297v, Ml296v,.. energy stars with most experience hvac tech for installation.
4168879065
Trusted HVAC Company in Richmond Hill, Toronto & Markham
We proudly provide HVAC services area in:
Richmond Hill
Toronto
Markham
North York
Etobicoke
All part of the Greater Toronto Area, ensuring local expertise wherever you are.
Cooling Air-conditioner up to 25 SEER Lennox r, Same Day Installation available with most experienced techs in GTA, warranty of 10 years with registration for parts.
Why Choose Alliance Energy Source
✔ Family-owned since 1999
✔ Certified HVAC technicians
✔ Authorized Lennox dealer
✔ Fast, reliable service across the GTA
✔ Transparent pricing and guaranteed workmanship
hvac system, experts hvac installation, full Furnace and Ac with Air Cleaners and Humidifier and lots more
Alliance Energy Source is a trusted HVAC company providing professional heating and cooling services in Richmond Hill, Toronto, and Markham. Since 1999, our family-owned business has helped homeowners stay comfortable with reliable furnace repair, air conditioner installation, and complete HVAC maintenance services.
Our experienced technicians install and service high-efficiency heating and cooling systems designed to improve energy efficiency and indoor comfort. We proudly install equipment from Lennox, one of the most trusted HVAC manufacturers in North America.
Whether you need AC repair during the summer or furnace service in the winter, Alliance Energy Source delivers fast and dependable HVAC solutions throughout the Greater Toronto Area. Our team is committed to quality workmanship, honest pricing, and reliable service for every customer.
If you are looking for a professional HVAC company in Richmond Hill, Toronto, or Markham, our technicians are ready to help with installation, repair, and maintenance for all major heating and cooling system
Heating Boilers Up to 96% Gas Boiler, same day installation, 10 years warranty, Free Estimate, Financing Available.
you can trust our hvac technicians team to help you maintain the perfect Air for your family with all your heating and cooling needs, such as furnace repair and installation, Ac replacement, Air conditioning repair and any other heating and cooling needs.
Alliance Energy Source
Tel:416-259-6767
905-470-7555
7370 woodbine Ave
Markham ON
L3p 1A5
Email:alliance.markham@gmail.com
Facebook: Alliance Energy Source
Instagram: allianchvacca
Thanks For Your trust !
Homestars Review
I am super happy with the service that Alliance gave us. Not only lower price than all also delivered a great service and greater follow up response. I would recommend them as they offer the best brands, price and service.
Google Reviews
Very professional team, I am a returning customer, value and service were great Highly recommend alliance energy source for your HVAC service and upgrades."Percy"
Lennox Reviews
They were unbelievable from sales to installation, they delivered what they promised. Installation was amazing and all papers done for rebates. This was a very pleasant project with them."Tom"
