Top 13 Best HVAC Companies in Toronto for 2025

Toronto’s climate demands reliable heating and cooling all year long — from sub-zero winters to humid summer heat waves. Choosing the right HVAC partner can impact not only comfort, but also long-term energy bills, indoor air quality, and equipment lifespan. In 2025, the best HVAC companies in Toronto are those that combine technical expertise, energy-efficient solutions, and dependable customer support.

Below are 13 of the best HVAC companies in Toronto for 2025, based on reputation, review strength, service range, and specialization. Each listing includes key pros and cons to help you compare options and find the right fit for your home or business.

1. Cozy Comfort Plus Inc.

Best For: Energy-efficient systems & smart home HVAC integration

Pros:

• Leader in high-efficiency heating and cooling systems, including furnaces, air conditioners, and heat pumps.
• Trusted and certified dealer for industry-leading top fireplace and HVAC brandslike Napoleon, Valor, and Lennox.
• Strong experience integrating HVAC with smart thermostats and smart home platforms.
• Handles both residential and property managementwork, making it a solid choice for homeowners and multi-unit buildings.
• Well-established reputation in Toronto, with a focus on quality installations and ongoing support.

Cons:

• Pricing may be higher than basic independent contractors due to premium equipment and service standards.
• High demand can mean longer lead times for peak-season bookings.

2. AFA Clean Energy

Best For: Fast, professional service & comprehensive system support

Pros:

• Excellent reputation for rapid responseand professional workmanship.
• Skilled, certified technicians familiar with a wide range of equipment brands.
• Offers maintenance plans and financing options, making upgrades more affordable.

Cons:

• Service area is limited to the GTA.
• Can book up quickly during extreme weather periods.

3. Tropic Air Heating and Cooling

Best For: Condo HVAC & fireplace services

Pros:

• Over 20 years serving Toronto, with a strong focus on condo and urban HVAC needs.
• Known for up-front pricingand clear communication.
• Specializes in fireplace servicesand thorough system inspections.

Cons:

• Fewer online reviews than some of the city’s largest legacy brands.
• Smaller service scope may not cover very large commercial projects.

4. City Home Comfort

Best For: Emergency response & smooth installation experience

Pros:

• Highly trained technicians with a focus on professional, friendly service.
• Strong reputation for emergency response and fast installs, especially during peak seasons.
• Consistent customer praise for communication, honesty, and follow-through.

Cons:

• Some reports of installers running behind schedule during very busy periods.

5. Laird & Son Heating & Air Conditioning

Best For: Long-standing expertise & indoor air quality

Pros:

• Over 70 years of experiencein Toronto’s HVAC market.
• Excellent diagnostic capabilities; strong ratings across major review platforms.
• Well known for air filtration, duct cleaning, and overall indoor air quality solutions.

Cons:

• Premium brand with higher pricing, particularly for complex or after-hours work.

6. Belyea Bros. Heating & Cooling

Best For: Older homes & hot water systems

Pros:

• Over 100 years in business, with deep expertise in heritage properties and older Toronto homes.
• Highly experienced with boilers, radiators, and hot water heating systems.
• Strong safety credentials and consistently positive reviews.

Cons:

• Longer lead times during busy seasons.
• Premium rates compared with many smaller competitors.

7. Convertible Heating and Air Conditioning

Best For: High-volume installs & full-service heating/cooling

Pros:

• Family-run for over 50 years, with thousands of reviews backing their reputation.
• Known for fast, award-winning serviceand a wide range of HVAC installations and repairs.
• Offers solutions for furnaces, AC, boilers, and more, covering most home comfort needs.

Cons:

• May prioritize larger or urgent jobsduring peak periods.
• Some customers may experience delays when demand is extremely high.

8. Dupont Heating & Air Conditioning Ltd

Best For: 24/7 emergency HVAC support

Pros:

• Decades of experience handling emergency service and urgent repairs.
• Offers flexible, modern payment options, including financing in many cases.
• Provides a broad range of heating and cooling services for homes and small businesses.

Cons:

• Average online rating is slightly lower than the top-tier competitors.
• Some reviews mention less personalized service during very busy periods.

9. Green Heating and Air Inc. – Concord

Best For: Eco-friendly and inclusive HVAC upgrades

Pros:

• Focuses on environmentally conscious solutions, including high-efficiency upgrades.
• Emphasis on inclusive, respectful service and modern system design.
• Very positive recent reviews, especially regarding professionalism and attention to detail.

Cons:

• Higher upfront costsfor green equipment compared to standard systems.
• Smaller team may mean slower schedulingat high-demand times.

10. SunnySide Heating and Air Conditioning

Best For: Well-rounded home comfort services

Pros:

• More than 25 years serving Toronto.
• Reliable for both heating and cooling, with extra options like air quality and water heater services.
• Strong local reviews praising consistency and friendliness.

Cons:

• As a mid-sized operation, response times can stretch during peak heat waves or cold snaps.

11. Advantage Airtech Commercial Ltd

Best For: Commercial, industrial & high-rise projects

Pros:

• Specialists in commercial and industrial HVAC, including complex energy systems.
• Experienced with high-rise and large-scale projectsthat require advanced engineering.
• Strong choice for property managers, developers, and institutional clients.

Cons:

• Not designed for small residential jobs; focus is primarily on commercial/high-rise

12. Cozy Castle HVAC

Best For: Flexible home & small business comfort

Pros:

• Handles both residential and light commercialHVAC needs.
• Emphasis on comfort, energy efficiency, and dependable installation/repair.
• Solid track record in reviews for professional, courteous service.

Cons:

• Lower review volume compared with older legacy brands in the city.

13. Econoair Heating & Cooling Inc.

Best For: Energy-efficient upgrades & rebate-driven projects

Pros:

• Broad service menu covering installation, maintenance, and repairs.
• Strong emphasis on energy-efficient upgradesand helping customers access available rebates.
• Popular among homeowners looking to modernize older systemswith better efficiency.

Cons:

• As a mid-size firm, may not be the fastest option for very large commercial installations.

Choosing the Right HVAC Company in Toronto in 2025

With so many qualified HVAC companies in Toronto, the best choice depends on your property type, budget, and priorities:

• Choose Cozy Comfort Plus Inc., Econoair, or Green Heating and Airif energy efficiency, smart controls, and long-term savings are top priorities.
• Consider Laird & Son, Belyea Bros., or Convertibleif you own an older home, manage multiple properties, or need a long-standing, full-service provider.
• Look at Advantage Airtech Commercial Ltdif you operate a commercial building, high-rise, or industrial site with complex systems.
• For homeowners who value responsive service and clear communication, AFA Clean Energy, City Home Comfort, Tropic Air, SunnySide, and Cozy Castleare strong GTA-based options.

Always compare quotes, warranty coverage, and service availability — not just price — to find the best long-term partner for your heating and cooling needs.

Final Outlook for Toronto’s HVAC Industry in 2025

Toronto’s HVAC industry is rapidly evolving as energy efficiency, smart home integration, and environmental responsibility become central to homeowners’ and businesses’ decisions. Customers are increasingly looking beyond simple repairs and focusing on whole-home comfort solutions, improved air quality, and systems that can adapt to changing energy prices and climate conditions.

For HVAC companies, standing out now depends on more than just technical skill — it requires strong online visibility, credible reviews, and clear communication of value. Partnering with a digital marketing agency like Zigma Internet Marketing, which understands HVAC SEO, local lead generation, and service-area marketing, can help contractors consistently attract high-intent customers and stay competitive in a crowded Toronto market.

Tip: When comparing HVAC companies, always ask about equipment efficiency ratings, available rebates, smart thermostat compatibility, and maintenance plans — these factors can greatly impact your comfort and operating costs over the next 10–15 years.