24/7 Emergency HVAC Service · Toronto & the GTA
Heating & Cooling Service You Can Count On, Day or Night
Q9HVAC installs, repairs and maintains furnaces, air conditioners, heat pumps and water heaters for homes and businesses across the Greater Toronto Area. Call or text any time and get a clear quote before any work starts.
- TSSA-Registered Contractor
- Licensed Gas Technician
- Open 24 Hours, 7 Days
No heat? No cooling? We answer the phone 24 hours a day.
What we do
Complete heating and cooling services
From a furnace that will not start to a full system replacement, one call covers it. We work on all makes and models.
Furnaces
High-efficiency gas furnace installation, repairs for no-heat calls, short cycling and strange noises, and seasonal tune-ups.
Air Conditioning
Central air conditioner installation, repair and maintenance so your home or business stays cool all summer.
Heat Pumps
Cold-climate heat pump installation and repair for year-round heating and cooling from one system.
Water Heaters
Tank and tankless water heater installation, repair and replacement, including gas line and venting work.
Gas Lines
Gas line installation and hook-ups for furnaces, stoves, dryers, BBQs, fireplaces and pool heaters.
Commercial HVAC
Installation, repair and maintenance of rooftop units and heating and cooling systems for shops, offices and restaurants.
Why Q9HVAC
Service built around you
Professional work, quality service, and your comfort as the priority. Here is what you can expect when you call.
Fast response
Heating and cooling problems do not wait for business hours, and neither do we. Call or text any time, day or night.
Licensed and registered
Work is done by a licensed gas technician, and Q9HVAC is a TSSA-registered contractor.
All makes and models
We diagnose and repair furnaces, air conditioners, heat pumps and water heaters from every major brand.
Customers come first
You get a clear explanation, a quote before work starts and a clean work area when we leave.
Recent work
A look at our installations
Real jobs from homes across the GTA.
How it works
Three simple steps to a comfortable home
Call or text us
Tell us what is happening. We answer 24 hours a day and book the earliest visit that works for you.
We diagnose and quote
We find the cause, explain your options in plain language and give you a quote before any work starts.
We fix it properly
We complete the repair or installation, test the system and make sure everything is running before we leave.
Service area
Serving Toronto and the GTA
We provide heating, cooling, water heater and gas line service across the Greater Toronto Area.
- Toronto
- Markham
- Vaughan
- Richmond Hill
- Aurora
- Newmarket
- East Gwillimbury
- Whitchurch-Stouffville
- Mississauga
- Brampton
- Caledon
- Oakville
- Burlington
- Milton
- Halton Hills
- Pickering
- Ajax
- Whitby
- Oshawa
Reviews
See what customers say about Q9HVAC
We ask every customer for honest feedback. Read our reviews on Google, or share your own experience.
Need heating or cooling help today?
Call or text (437) 239-8512. We are open 24 hours a day, 7 days a week.