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.

Furnaces

High-efficiency Lennox, Bryant, Goodman & Armstrong.