Toronto’s climate demands reliable heating and cooling all year round. From icy winters to humid summers, finding a trusted HVAC company in Toronto can make all the difference in home comfort, energy efficiency, and system longevity.
Here’s a curated list of the top 10 HVAC companies in Toronto for 2025, based on verified customer reviews, reputation, service innovation, and overall reliability. These companies specialize in furnace installation, air conditioning repair, heat pump upgrades, and energy-efficient solutions for homes and businesses.
1. Cozy Comfort Plus
Rating: 5.0 (Google Reviews 300+)
Contact: (416) 780-9760
Website: https://cozycomfortplus.com
Pros:
30+ years of experience serving Toronto and the GTA.
Authorized dealer for top fireplace and HVAC brands like Napoleon, Valor, and Lennox.
Specializes in furnaces, air conditioners, heat pumps, fireplaces, and smart thermostats.
Certified and insured team offering residential and commercial HVAC solutions.
Known for transparent pricing, exceptional craftsmanship, and after-sales support.
Cons:
Premium-quality installations may come at a slightly higher upfront cost.
High seasonal demand—advance booking recommended during peak winter/summer months.
Why It’s #1 in 2025:
Cozy Comfort Plus continues to lead Toronto’s HVAC market with a balance of innovation and integrity. Their focus on energy-efficient systems and customer-first service has earned them repeat business from homeowners, property managers, and commercial clients alike. In 2025, they’ve expanded their services to include smart home HVAC integrations for maximum comfort and savings.
2. Convertible Heating and Air Conditioning
Rating: 5.0 (85+)
(800) 423-0969
Pros:
Over 50 years of trusted service in Toronto.
Highly reviewed for emergency response and technical reliability.
Full range of services including furnaces, boilers, AC, ductwork, and tankless water heaters.
Cons:
High demand during peak seasons; follow-up technician availability may vary.
Why It’s Still a Top Choice:
A family-run business known for consistency, transparency, and craftsmanship — perfect for families wanting dependable local expertise.
3. Cozy World Inc.
Rating: 5.0 (161+)
+1 416-635-1000
Pros:
Strong reputation for custom energy-efficient installations.
Fully certified (TSSA, ESA) and known for safety and professionalism.
Excellent customer satisfaction rate and responsive team.
Cons:
Smaller team; may require advance scheduling.
What’s New in 2025:
Cozy World remains a go-to brand for high-efficiency HVAC systems and is seeing rapid growth thanks to its focus on tailored comfort solutions.
4. Tropic Air Heating & Cooling
Rating: 4.8 (33+)
+1 416-492-7633
Pros:
20+ years of experience in condos and residential HVAC.
Upfront pricing and 12-point inspection standard with every service.
Specializes in fast condo HVAC replacement and repairs.
Cons:
Limited commercial service offerings.
Why It’s Popular in 2025:
Tropic Air’s fast, flexible condo solutions make it a top pick for urban homeowners across Toronto’s growing vertical housing market.
5. Reliance Home Comfort
Reputation: Established national provider
Pros:
24/7 emergency support and nationwide technician network.
Offers HVAC, plumbing, water heaters, and smart home bundles.
Extensive service guarantees and flexible payment options.
Cons:
Varying technician expertise; service may feel corporate.
Best For:
Homeowners seeking convenience, one-stop solutions, and financing flexibility.
6. Laird & Son Heating & Air Conditioning
Rating: 4.8 (927+)
+1 416-421-2121
Pros:
One of Toronto’s oldest HVAC brands with a reputation for precision and courtesy.
Full-service provider: installation, maintenance, and repair.
Emphasis on long-term customer relationships.
Cons:
Slightly higher price point for premium service quality.
2025 Insight:
Laird & Son continues to blend tradition with technology—offering new smart thermostat and zoning system integrations.
7. Green Breeze HVAC Inc.
Rating: 4.4 (7+)
+1 289-277-1518
Pros:
Specialists in eco-friendly HVAC and energy efficiency upgrades.
Modern equipment, renewable energy focus, and commercial services available.
Cons:
Smaller brand with a shorter history in Toronto.
Why It’s Growing:
As homeowners prioritize sustainability, Green Breeze is becoming a top choice for green retrofits and low-carbon heating systems.
8. AtlasCare Heating & Cooling
Rating: 4.8 (6,100+)
+1 647-905-0482
Pros:
Trusted for both residential and commercial HVAC and air quality.
Well-trained technicians and consistent service.
Focused on whole-home comfort systems.
Cons:
Higher pricing compared to independents.
Why It Stands Out:
With a strong Toronto legacy, AtlasCare remains a reliable full-service provider for larger projects and premium systems.
9. For Saving Home Service Inc.
Rating: 4.9 (19+)
+1 647-249-7952
Pros:
TSSA-certified technicians, emergency services, and regular maintenance.
Known for transparent pricing and reliability.
Cons:
Scheduling delays possible during high-demand months.
What’s New:
For Saving has strengthened its customer loyalty programs and rebates for 2025.
10. Smile HVAC
Rating: 5.0 (1,249+)
+1 437-777-4555
Pros:
Commercial HVAC leader with engineering and plumbing expertise.
Ideal for large-scale and multi-property management clients.
Quick dispatch and enterprise-level project handling.
Cons:
Primarily focused on commercial work; fewer residential offerings.
Why It’s Trusted:
Known for reliability, Smile HVAC’s professional systems approach makes it a top-tier option for businesses in the GTA.
Choosing the Right HVAC Partner in 2025
When comparing Toronto HVAC companies, consider:
Home vs. Business Needs – Choose Cozy Comfort Plus or AtlasCare for residential comfort; Smile HVAC for commercial scale.
Energy Efficiency – Green Breeze and Cozy World specialize in sustainable systems.
Service Speed – Convertible and Tropic Air excel in fast repairs and emergency service.
Comprehensive Care – Reliance and Cozy Comfort Plus offer bundled comfort solutions for peace of mind.
With new government rebates for high-efficiency systems and rising demand for smart thermostats, 2025 is the ideal year to upgrade your HVAC system with a trusted Toronto provider.
Final Outlook for Toronto’s HVAC Industry
Toronto’s HVAC market is evolving rapidly as more homeowners prioritize energy efficiency, smart home integration, and long-term maintenance reliability over one-time repairs. The most successful HVAC providers in 2025 are those combining advanced heating and cooling technology with proactive seasonal care and transparent customer support — not just emergency service.
At the same time, local competition is growing — and visibility is everything. Partnering with one of the top digital marketing agencies for HCAV companies in Toronto can significantly improve online authority and customer acquisition. HVAC companies looking to stay ahead in this digital-first economy can benefit greatly from working with specialized partners like Zigma Internet Marketing, who help boost search rankings, generate qualified leads, and convert online traffic into real service appointments.
? Tip: When choosing an HVAC provider, always look for licensed installers who offer smart thermostat compatibility, rebate guidance, and proactive year-round service plans.
