Trusted across Ontario
HVAC Services in Ontario Heating, Cooling & Heat Pumps.
Professional HVAC and electrical services across Toronto and the GTA — including Vaughan, Markham, Mississauga, Brampton, Oakville and more. Heat pump installation, furnace repair, AC service and energy-efficient upgrades with rebate programs available.
- Years serving Ontario
- 10+
- Happy households
- 2,500+
- Emergency response
- 24/7
Licensed & insured
TSSA & ESA certified
24/7 emergency
No comfort can wait
Top-rated service
Trusted across the GTA
Workmanship guarantee
Done right the first time
Ontario rebate programs
Save thousands on home upgrades
Four active rebate programs for Ontario homeowners and renters. Tap one to learn more.
Oil to Heat Pump Affordability (OHPA)
Replace oil heating with a FREE electric heat pump.
Energy Affordability Program (EAP)
Free cold-climate heat pump + appliances for income-eligible homes.
Home Winterproofing Program (HWP)
Free insulation, draft proofing & energy assessment from Enbridge Gas.
Home Renovation Savings
Cash back on heat pumps, attic insulation & smart thermostats — no assessment required.
What we do
Complete home comfort, under one roof
Heating, cooling, indoor air quality and electrical — handled by certified specialists who treat your home like their own.
Service Areas Across the GTA
We provide HVAC services in Toronto, Vaughan, Markham, and across the GTA, helping homeowners with heat pump installation, furnace repair, and air conditioning service. Our team also serves Mississauga, Brampton, Oakville and Burlington with the same fast, reliable response.
- Toronto
- Vaughan
- Markham
- Richmond Hill
- North York
- Scarborough
- Etobicoke
- Mississauga
- Brampton
- Newmarket
- Aurora
- Oakville
- Burlington
NRCan rebate
Switch from oil to a heat pump — at no cost.
Income-qualified Ontario homeowners can replace oil heating with a free electric heat pump through the NRCan Oil to Heat Pump Affordability Program. We handle the paperwork end-to-end.
Book our service
Tell us what you need.
Submit the form and a real person will get back to you within one business day. For emergencies, call us anytime.
- Free, no-obligation quotes
- Upfront pricing — no surprises
- Financing & rebate help available
- 100% workmanship guarantee
Request a quote
Average response: under 1 business day.
HVAC Services Near You
Looking for HVAC services near you? Ontario Air Services operates throughout Toronto and the GTA, including Vaughan, Markham, Richmond Hill, North York, Scarborough, Mississauga, Brampton, Newmarket, Aurora, Oakville, and Burlington. Explore our most-requested local pages: heat pump installation in Toronto, furnace repair in Toronto, AC repair in Toronto, and the full heat pump rebate Ontario guide. Contact our team for fast and reliable service in your area.