Toronto & GTA · Since 2010
Comfort you can count on, every season.
Star Alliance Heating & Cooling delivers world-class HVAC service across Toronto and the GTA — from high-efficiency furnaces to tankless water heaters, backed by industry-leading warranties.
Lennox Premier Dealer
BBB A+ Accredited
BBB A+ Accredited
Fully Insured & Certified
Same-Day Emergency
24/7 Response
Replace
Upgrade to an energy-efficient furnace or AC and enjoy factory + utility rebates, plus a 10-year worry-free warranty.
Repair
No heat? AC not cooling? Our rush emergency service trucks come fully stocked to get you running fast.
Maintain
Annual safety & maintenance checks keep your equipment running safely and avoid expensive breakdowns.
Our Products
Premium equipment from brands you trust
Furnaces
High-efficiency Lennox, Bryant, Goodman & Armstrong.
Air Conditioners
Quiet, reliable cooling from top brands.
Water Heaters
Rheem, GSW, and John Wood — tanks of every size.
Gas Boilers
Lennox & Viessmann boiler systems.
Why Star Alliance
Your single source for home & business HVAC
We’re a fully insured, professionally trained, certified, eco-friendly HVAC outfit serving Toronto and the Greater Toronto Area. We carry a full line of hardware from reputable manufacturers including Lennox, Honeywell, York, Trane, and Mitsubishi.
We work closely with every client through a thorough needs-analysis, then recommend the right solution for your home and budget — guaranteed.
10yr
Worry-free warranty
$2,500
Up to in rebates
Heating
Cooling
Water Heating
Maintenance
Ready for a free, no-pressure assessment?
Install now, pay later. Ask about Lennox factory rebates and Enbridge Home Efficiency incentives — up to $2,500 in savings.