Best HVAC Contractors Toronto - Top HVAC Technicians and Companies
**Quick answer:** There is no single best HVAC contractor in Toronto. The best one for you is a business registered with TSSA for gas work, with a certified gas technician and an air conditioning certificate for any AC or heat pump job. In 2026, a Toronto furnace replacement costs about **$4,000 to $7,000**, central air costs **$3,500 to $7,500**, and technicians bill **$90 to $150 per hour**. Get at least three written quotes before you hire.
## Who are the best HVAC contractors in Toronto?
The best HVAC contractor is the one that holds the right Ontario credentials, gives a clear written quote and can start when you need them. Rankings can't tell you that. Your system, your home and your timing decide it.
HVAC stands for heating, ventilation and air conditioning. An HVAC contractor installs, repairs and maintains furnaces, boilers, central air conditioners, heat pumps and ductwork. A good one also sizes the system to your home and handles the permits.
Search interest shows when homeowners need help. Searches for HVAC contractors in Toronto peak in July and December. That is when systems fail under heavy load. Book tune-ups in spring and fall to avoid the rush.
## How do you choose an HVAC contractor in Toronto?
Check five things before you hire. Each one takes a few minutes and protects your home and your wallet.
1. **TSSA registration for gas work.** Any business that installs or services a gas furnace, boiler or gas appliance in Ontario must be registered with the Technical Standards and Safety Authority (TSSA). TSSA publishes a public contractor lookup.
2. **A certified gas technician on site.** The person who touches your gas line must hold a G2 or G1 gas technician certificate. A G3 technician may only work under supervision.
3. **An air conditioning certificate for AC and heat pump work.** Refrigeration and air conditioning work falls under compulsory trade certification in Ontario. Look for a 313A certificate, or 313D for residential air conditioning. Skilled Trades Ontario lets you confirm a certificate.
4. **Insurance and WSIB coverage.** Ask for proof of liability insurance and a WSIB clearance. Without them, you can be liable for an injury on your property.
5. **A written quote with details.** The quote should name the equipment model, the scope of work, the permit, the warranty and the total. Ask whether the contractor did a heat-loss calculation to size the system. Guessing by square footage leads to oversized units that short-cycle.
Then compare the quotes line by line. Our guide on **[what to ask and look for when hiring an HVAC contractor](https://urbantasker.com/blog/hiring-hvac-contractor-technician-what-to-ask-look-for)** will walk you through each step.
## What credentials do HVAC technicians need in Ontario?
The credential depends on the job. Gas work, refrigerant work and electrical work each have their own rules.
| Type of work | What Ontario requires | Where to confirm |
|---|---|---|
| Gas furnace, boiler or gas appliance | TSSA-registered contractor, and a G2 or G1 gas technician (G3 only under supervision) | TSSA public contractor lookup |
| Central AC, heat pump or refrigerant work | 313A or 313D certificate of qualification | Skilled Trades Ontario |
| New electrical circuit (for example, a heat pump) | Electrical contractor authorized by the Electrical Safety Authority (ESA) | ESA contractor lookup |
| Business basics | Liability insurance and WSIB coverage | Ask for the certificates |
Ask the contractor to confirm in writing that the technician sent to your home holds the right certificate. A registered company is only half the picture. The person on site must be certified too.
Not sure how to check? Our guide on how to check a plumber's credentials in Ontario covers the same steps for plumbing work.
## How much do HVAC services cost in Toronto in 2026?
A Toronto furnace replacement costs about $4,000 to $7,000 installed. Central air costs $3,500 to $7,500. Replacing both together runs roughly $8,000 to $15,000. Technicians bill $90 to $150 per hour.
### HVAC Replacement Cost
| HVAC service | Typical Toronto cost (CAD) |
|---|---|
| High-efficiency gas furnace replacement | $4,000 – $7,000 |
| Central air conditioner installation | $3,500 – $7,500 |
| Furnace and central AC together | $8,000 – $15,000 |
| Air-source heat pump (central) | $5,500 – $12,000 |
| Ductless mini-split | $5,000 – $12,000 |
| Geothermal heat pump | $20,000 – $35,000+ |
| Technician hourly rate | $90 – $150 per hour |
| Diagnostic or call-out fee | $80 – $195 |
| Annual tune-up | $100 – $250 |
### HVAC Repair Cost
Common repairs give you a sense of scale.
| Common repair | Typical cost (CAD) |
|---|---|
| AC capacitor replacement | $150 – $450 |
| AC condenser fan motor | $400 – $900 |
| Furnace heat exchanger | $1,500 – $3,500 (often triggers a replacement) |
Emergency and after-hours calls cost more, often 1.5 to 2 times the standard rate. A planned swap in spring or fall costs less than a January breakdown. Condos and older homes add time for access, ductwork and venting.
The prices mentioned above are approximate and for general guidance only. Actual costs may vary based on project size, site conditions, materials, location, and individual contractor rates. We recommend getting multiple quotes for an accurate estimate.
For deeper numbers, read our guides on the **[cost of a new furnace in Ontario](https://urbantasker.com/blog/what-is-cost-of-new-furnace-in-ontario-canada)** and heat pump vs furnace.
**Note:** Prices in this guide come from published Toronto price guides and installer rate cards. All prices are in Canadian dollars and exclude tax. Prices are estimates for general guidance only and are not a quote. Actual costs vary with project size, site conditions, materials, location and contractor rates. UrbanTasker does not guarantee any price listed here. Get multiple written quotes before you decide.
## Which HVAC companies serve Toronto?
These companies serve Toronto and the Greater Toronto Area. They are listed alphabetically, not ranked. This is a starting point, not an endorsement. Confirm each company's TSSA registration and your technician's certificates before you hire.
| Company | Notes |
|---|---|
| Aire One Heating & Cooling | Heating and cooling service |
| AccuServ Heating and Air Conditioning | Heating and air conditioning service |
| Air Makers Inc. | Heating and cooling, known across the GTA |
| City Home Comfort | Heating and cooling service |
| Cozy World Inc. | Furnace and AC installation, Toronto-based |
| Dupont Heating & Air Conditioning Ltd. | Heating and air conditioning service |
| Enercare Home Services | Large provider; offers equipment rentals and service plans |
| High Efficiency Cooling & Heating Inc. | Heating and cooling service |
| Laird & Son Heating and Air Conditioning | Heating and air conditioning service |
| Smile HVAC | Heating and cooling service |
Do you run an HVAC business in Toronto? Contact us to be considered for this list.
**Disclaimer**: UrbanTasker does not endorse any contractor or service provider listed here. You are solely responsible for background, license, and insurance verification and all due diligence. UrbanTasker is not liable for any damages, losses, or disputes arising between you and a service provider. For details, see our **[Terms and Conditions](https://urbantasker.com/page/terms).**
## What HVAC rebates are available in Ontario in 2026?
Ontario's Home Renovation Savings Program pays up to **$7,500** for a cold climate air-source heat pump. The amount depends on the size of the heat pump. The unit must appear on Natural Resources Canada's qualified products list.
| Upgrade | Rebate |
|---|---|
| Cold climate air-source heat pump | Up to $7,500 |
| Ground-source heat pump | Up to $12,000 |
| Smart thermostat | $100 |
| Heat pump water heater (bundled stream) | $500 |
The program is run by Save on Energy and Enbridge Gas. The bundled stream starts with a home energy assessment and requires two or more upgrades. The Canada Greener Homes Loan stopped taking applications on October 1, 2025.
Rebate rules change often. Check **[Save on Energy](https://saveonenergy.ca/homerenovationsavings)** and confirm eligibility before you sign a contract, not after. Ask each contractor whether they handle rebate paperwork.
## Should you repair or replace your furnace or AC?
Replace if the repair costs more than half of a new installed system, or if the unit is near the end of its life. Furnaces typically last 15 to 20 years. Central air conditioners last 12 to 15 years.
- **Age:** Furnaces past 15 years and ACs past 12 years deserve a replacement quote.
- **Repair stack:** Two repairs in two seasons point to a failing system.
- **Rising bills:** Higher energy bills with the same usage mean lost efficiency.
- **Safety:** A cracked heat exchanger or a carbon monoxide alarm means call a technician now.
Read our guides on when to replace a furnace and how long an AC unit lasts in Canada.
## How does hiring an HVAC contractor through UrbanTasker work?
You post your task once and compare quotes from local HVAC contractors. It is free to post. You see offers side by side, chat with contractors and choose the one that fits.
1. **Post your HVAC task.** Describe the job and add photos of your unit.
2. **Get multiple quotes.** Contractors respond with prices and availability.
3. **Compare and chat.** Check profiles, ask questions and confirm credentials yourself.
4. **Hire and book.** Choose the contractor and agree on the scope in writing.
Skip the call-around. Post your HVAC task on UrbanTasker and get free quotes from local contractors.
## How can you keep your HVAC system running longer?
Regular maintenance cuts breakdowns and extends system life. Book a furnace tune-up in the fall and an AC tune-up in the spring. Change furnace filters every one to three months. Keep the outdoor AC unit clear of snow, leaves and debris.
A smart thermostat can also trim heating and cooling costs. Use our HVAC maintenance checklist for homeowners to stay on schedule.
## The bottom line
Pick an HVAC contractor on credentials, a clear written quote and availability, not on a ranking. Plan for about $4,000 to $7,000 for a furnace and $3,500 to $7,500 for central air. Check Ontario rebates before you sign. Get at least three quotes for the same scope.
Ready to compare? **[Post your HVAC task on UrbanTasker](https://urbantasker.com/tasks/create)** and get free quotes from local contractors.