AC Repair & Installation
Diagnostic, repair, and replacement of central air conditioning units. Same-day service available for emergencies.
What Our Customers Say
★★★★★"Such an easy and helpful process had a broken AC unit. Brief phone call to get some details and was on site next day to do a diagnostic and fixed the same visit. Very professional and reliable, would recommend."
★★★★★"I needed to install a new furnace in my house, Cool Flow hvac showed up and they did an excellent job. They showed me their plan executed it well and now my new ac unit is up and running!"
★★★★★"From day 1 they came in and diagnosed the problem. Set an appointment for the next day install of a furnace. More than fair price, installation process was purely professional. I would definitely call them for all my furnace and air conditioning requirement. Strongly recommend Cool Flow HVAC!"
Heating & Cooling Services
From emergency repairs to full installations, we keep Toronto comfortable year-round.
Furnace Repair & Installation
Full furnace diagnostics, repairs, and new installations. We work with all major brands and fuel types.
Ductwork & Ventilation
Duct cleaning, sealing, and new ductwork installation for improved airflow and energy efficiency.
Emergency HVAC Service
24/7 emergency call-outs across Toronto. No extra after-hours markup — just fast, reliable service when you need it most.
Thermostat & Controls
Smart thermostat installation, wiring, and programming. Upgrade to programmable controls for better efficiency.
Maintenance & Tune-Ups
Seasonal HVAC maintenance plans to keep your system running efficiently and catch issues before they become emergencies.
Our Work
Always Open
24 hours a day, 7 days a week
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
Toronto, ON M4V 1L5 Call (437) 602-8455
Need Service Now?
We answer the phone 24/7. No voicemail loops, no call centres — just a real person who can get a truck to you.
Call NowGet a Free Estimate
Tell us what you need and we'll get back to you within the hour — usually sooner.