Toronto, ON

    Best HVAC Contractors in Toronto

    Finding reputable HVAC contractors in Toronto is essential for keeping your home comfortable through the city’s unpredictable seasons. Whether it’s sweltering summers or frigid winters, reliable heating, ventilation, and air conditioning services ensure your indoor environment stays just right. Toronto homeowners have a wide range of options, but choosing the right technician can make all the difference in energy efficiency, long-term savings, and peace of mind. From emergency repairs to routine maintenance and new installations, skilled professionals in the GTA handle every aspect of climate control. If you’re looking to upgrade your system or need urgent assistance, knowing what to look for in a local HVAC company can save time and prevent costly mistakes. Here’s what to consider when searching for the best in the city.

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    Best HVAC Contractors in Toronto

    Discover 7 trusted Best HVAC Contractors in Toronto with an average rating of 4.8 stars. 7 businesses rated 4.5+ stars.

    7+

    Verified Businesses

    4.8

    Average Rating

    7

    Top Rated (4.5+)

    1.
    Mersey Heating and Air Conditioning

    Mersey Heating and Air Conditioning

    4.8 (3401 reviews)

    Mersey Heating and Air Conditioning, located at 1960 Ellesmere Rd Unit 6 in Scarborough, has been serving the Greater Toronto Area for decades with trusted expertise in residential and commercial HVAC solutions. Specializing in installation, repair, and maintenance of furnaces, air conditioners, and water heaters, Mersey is known for its prompt service, certified technicians, and commitment to customer satisfaction. As a locally operated business, Mersey stands out for its tailored solutions, transparent pricing, and dedication to keeping the community comfortable year-round, earning a reputation as one of Scarborough’s most reliable HVAC providers.

    Key Strengths

    Scarborough SpecialistsCertified TechniciansTransparent PricingTailored Solutions
    1960 Ellesmere Rd Unit 6, Scarborough, ON M1P 3C2, CanadaDirections
    (416) 752-8351
    Hours:
    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
    2.
    Reliance Heating, Air Conditioning & Plumbing

    Reliance Heating, Air Conditioning & Plumbing

    4.7 (1649 reviews)

    Reliance Heating, Air Conditioning & Plumbing, located at 145 Front St E Suite L3 in Toronto, is a trusted provider of home comfort solutions for the Greater Toronto Area. Specializing in installation, repair, and maintenance of heating, cooling, and plumbing systems, Reliance delivers prompt and professional service tailored to the needs of local homeowners. With a reputation built on reliability and transparent pricing, the company stands out for its 24/7 emergency support and experienced, certified technicians. Reliance is committed to customer satisfaction and has become a go-to partner for efficient, worry-free home comfort in Toronto.

    Key Strengths

    24/7 SupportTransparent PricingCertified TechniciansToronto Specialists
    145 Front St E Suite L3, Toronto, ON M5A 1E3, CanadaDirections
    (888) 431-3111
    Hours:
    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
    3.
    Laird & Son Heating & Air Conditioning

    Laird & Son Heating & Air Conditioning

    4.8 (918 reviews)

    Laird & Son Heating & Air Conditioning, located at 120 Dynamic Dr #22 in Toronto, is a trusted family-owned business serving the GTA since 1948. Specializing in furnace, boiler, and air conditioning installation, repair, and maintenance, they are renowned for prompt, reliable service and honest advice. As Toronto’s oldest independent HVAC company, Laird & Son combines decades of expertise with a strong commitment to customer satisfaction, offering 24/7 emergency support. Their professionalism and dedication to quality workmanship have made them a go-to choice for generations of Toronto homeowners.

    Key Strengths

    Since 1948Family-Owned24/7 SupportOldest Independent
    120 Dynamic Dr #22, Toronto, ON M1V 5C8, CanadaDirections
    (647) 251-8630
    Hours:
    Monday: 8:00 AM – 8:00 PM
    Tuesday: 8:00 AM – 8:00 PM
    Wednesday: 8:00 AM – 8:00 PM
    Thursday: 8:00 AM – 8:00 PM
    Friday: 8:00 AM – 8:00 PM
    Saturday: 8:00 AM – 8:00 PM
    Sunday: 8:00 AM – 8:00 PM
    4.
    City Home Comfort

    City Home Comfort

    4.8 (630 reviews)

    City Home Comfort, located at 710 Kingston Rd in Toronto, is your trusted local expert for heating, cooling, and indoor air quality solutions. Proudly serving the GTA, their experienced team specializes in installation, repair, and maintenance of furnaces, air conditioners, boilers, and water heaters. City Home Comfort is renowned for prompt, reliable service and a commitment to energy-efficient solutions tailored to each home. As a family-owned business, they prioritize transparent advice, fair pricing, and lasting customer relationships, setting them apart as a preferred choice for comfort and peace of mind in Toronto communities.

    Key Strengths

    Energy-EfficientFamily-OwnedTransparent PricingToronto Focused
    710 Kingston Rd, Toronto, ON M4E 1R7, CanadaDirections
    (416) 556-8368
    Hours:
    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
    5.
    Climax Heating & Air Conditioning

    Climax Heating & Air Conditioning

    4.9 (521 reviews)

    Climax Heating & Air Conditioning, located at 588 Gordon Baker Rd #586 in North York, ON, is dedicated to delivering reliable, energy-efficient heating and cooling solutions to homeowners and businesses across the Greater Toronto Area. With a reputation for prompt service and expert installation, Climax specializes in furnace, air conditioning, and HVAC system maintenance and repair. Their certified technicians are committed to customer satisfaction, offering honest advice and tailored solutions. Known for their professionalism and thorough workmanship, Climax Heating & Air Conditioning stands out as a trusted local choice for year-round indoor comfort.

    Key Strengths

    Energy-Efficient SolutionsPrompt ServiceCertified TechniciansTailored Advice
    588 Gordon Baker Rd #586, North York, ON M2H 3B4, CanadaDirections
    (416) 499-8039
    Hours:
    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
    6.
    Empower Home Comfort

    Empower Home Comfort

    4.8 (514 reviews)

    Empower Home Comfort, located at 3080 Yonge St suite #6060 in Toronto, is dedicated to ensuring year-round comfort for Toronto homeowners. Specializing in HVAC solutions, the company offers expert installation, maintenance, and repair services for furnaces, air conditioners, and indoor air quality systems. With a commitment to energy efficiency and customer satisfaction, Empower Home Comfort stands out for its tailored solutions and responsive support. Proudly serving the local community, the business is known for reliable workmanship and transparent service, making it a trusted partner for home comfort needs across Toronto.

    Key Strengths

    Toronto-FocusedEnergy EfficientTailored SolutionsTransparent Service
    3080 Yonge St suite #6060, Toronto, ON M5M 1A2, CanadaDirections
    (647) 696-7487
    Hours:
    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
    7.
    AccuServ Heating and Air Conditioning

    AccuServ Heating and Air Conditioning

    4.9 (422 reviews)

    AccuServ Heating and Air Conditioning, located at 1167 Woodbine Ave in East York, ON, is a trusted name for residential and commercial HVAC services. Specializing in heating, cooling, and indoor air quality solutions, AccuServ is known for its prompt, professional service and transparent pricing. With a team of licensed technicians, the company offers expert installation, repair, and maintenance of furnaces, air conditioners, and boilers. AccuServ stands out for its commitment to customer satisfaction, energy-efficient solutions, and deep roots in the local community, making it a go-to choice for reliable comfort year-round.

    Key Strengths

    Transparent PricingEnergy-Efficient SolutionsLicensed TechniciansLocal Expertise
    1167 Woodbine Ave, East York, ON M4C 4C6, CanadaDirections
    (416) 269-2228
    Hours:
    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

    Specialized Services

    Home Renovation Services

    Complete home renovation services from planning to completion in Toronto and area.

    • Kitchen renovations
    • Bathroom remodeling
    • Basement finishing
    • Whole home renovations

    Commercial Construction

    Professional commercial construction and renovation services for Toronto businesses.

    • Office renovations
    • Retail buildouts
    • Restaurant construction
    • Industrial projects

    Toronto Coverage: All businesses listed serve Toronto and surrounding areas including Mississauga, Brampton, Markham, and Vaughan.

    Toronto's Best Rated's ratings for products and services are determined exclusively by our staff's reviews. We urge readers to carefully examine all available information before making any decisions. This ensures they can make informed choices based on their individual preferences and needs.

    Frequently Asked Questions (15)

    What factors influence the pricing of HVAC contractor services in Toronto?

    Pricing for HVAC contractor services in Toronto is influenced by several factors, including the type and complexity of the work required, equipment brands and models, the age and accessibility of existing systems, and the scope of labor involved. Emergency repairs, specialized installations, and high-efficiency upgrades may incur additional costs. Some contractors also factor in travel time, after-hours services, and disposal of old equipment. It’s common for reputable contractors to provide detailed estimates following an on-site assessment, so customers can understand the breakdown of charges before proceeding with the project.

    How can someone determine which Toronto HVAC contractor is best suited for their specific needs?

    Choosing the right HVAC contractor involves researching company credentials, reading recent customer reviews, and confirming licenses and insurance. It's helpful to ask about experience with specific systems, such as central air conditioning or heat pumps, and to request references from previous clients. Comparing multiple quotes can provide insight into fair pricing and available services. Customers should also consider communication style, availability for follow-up service, and any warranties offered on labor or equipment before making a final decision.

    What services are typically provided by HVAC contractors in Toronto?

    HVAC contractors in Toronto generally offer a range of services, including installation, repair, and maintenance of heating, ventilation, and air conditioning systems. This can cover furnaces, air conditioners, heat pumps, ductless mini-splits, boilers, and ventilation units such as HRVs and ERVs. Many contractors also provide air quality solutions, like humidifiers, dehumidifiers, and filtration systems. Seasonal system check-ups, thermostat installation, and emergency repair services are commonly available as well.

    When is the best time to schedule HVAC installation or maintenance in Toronto?

    The ideal time to schedule HVAC installation or maintenance in Toronto is during the spring or fall, when demand tends to be lower. Booking in these off-peak seasons often results in faster service and greater appointment availability. For urgent repairs, reputable contractors typically offer emergency services year-round. Planning ahead for routine maintenance can help prevent system failures during extreme weather, ensuring optimal comfort and efficiency throughout the year.

    What are some signs of quality workmanship when hiring an HVAC contractor in Toronto?

    Indicators of quality workmanship include clear and transparent communication, thorough on-site assessments, and detailed written estimates. A reputable HVAC contractor will explain options, answer questions, and offer solutions tailored to the home’s specific needs. Quality contractors use industry-standard installation practices, maintain a clean work area, and test systems for proper operation. Additionally, they provide warranties on both equipment and labor, and are responsive to follow-up requests or concerns.

    Are there any local considerations unique to Toronto when hiring an HVAC contractor?

    Toronto’s climate, with its cold winters and warm, humid summers, requires HVAC systems that are both reliable and energy efficient. Local building codes and by-laws may influence equipment selection and installation practices. Additionally, some rebates and incentives are available through provincial or city programs for upgrading to high-efficiency systems. Homeowners should seek contractors familiar with Toronto’s specific requirements and experienced in navigating local permit or inspection processes.

    How should homeowners prepare their property before an HVAC contractor arrives?

    Before the arrival of an HVAC contractor, homeowners should clear the area around equipment to provide easy access for inspection or installation. Moving furniture, securing pets, and ensuring the workspace is well-lit and free from obstructions can help expedite the process. If possible, have documentation about the current system, such as manuals or service records, available for review. Proper preparation helps ensure a smoother, more efficient visit and can minimize disruptions.

    What are some common challenges Toronto residents face when working with HVAC contractors?

    Common challenges include scheduling delays during peak seasons, unexpected costs arising from hidden system issues, and miscommunication over the scope of work. Some homeowners may encounter difficulties obtaining parts for older equipment or face longer wait times for specialized repairs. Ensuring clear agreements and choosing experienced, well-reviewed contractors can help minimize these issues. It’s also important to confirm warranty terms and clarify expectations upfront.

    Do HVAC contractors in Toronto require any specific certifications or licenses?

    Yes, HVAC contractors in Toronto must hold appropriate provincial licenses, such as a Technical Standards and Safety Authority (TSSA) certification for working on gas appliances. Many technicians also possess Red Seal or other trade qualifications demonstrating industry expertise. Valid liability insurance and workplace safety certifications are important for customer protection. Homeowners should always verify a contractor’s credentials before hiring to ensure compliance with local regulations and industry best practices.

    How do Toronto’s seasonal weather changes affect HVAC system maintenance and installation?

    Toronto’s distinct seasonal shifts place unique demands on HVAC systems. Cold winters require reliable heating, while humid summers call for efficient cooling and dehumidification. Regular maintenance before each season helps systems run smoothly and prevents breakdowns during temperature extremes. Extreme weather can also impact scheduling, as demand spikes during heatwaves or cold snaps. Planning maintenance in advance of these seasons allows homeowners to avoid long wait times and ensures systems are ready when needed most.

    What are the different types of HVAC contractors available in Toronto?

    HVAC contractors in Toronto may specialize in residential, commercial, or industrial systems. Some focus on installation and system upgrades, while others offer ongoing maintenance or emergency repairs. There are also contractors who specialize in specific technologies, such as ductless mini-splits, geothermal systems, or advanced air purification solutions. Customers should select a contractor whose expertise matches the type of service and system required for their property.

    What should customers expect during a typical HVAC service visit in Toronto?

    During a standard HVAC service visit, technicians will inspect the system, test safety controls, check for leaks, and clean or replace filters as needed. They may also measure airflow, calibrate thermostats, and review overall system performance. For installations, the process often includes removing old equipment, installing new units, and ensuring all connections meet code requirements. The technician should communicate findings, answer questions, and provide a summary of any recommended repairs or maintenance steps.

    What are some red flags to watch out for when hiring an HVAC contractor in Toronto?

    Potential red flags include vague or incomplete estimates, lack of proper licensing or insurance, and reluctance to provide references. High-pressure sales tactics, unusually low pricing, or requests for large upfront payments should also be approached with caution. Reputable contractors will willingly share credentials, explain the scope of work, and provide clear, written agreements. Consistently negative online reviews or unresolved complaints may indicate poor service quality or reliability issues.

    What long-term considerations should be kept in mind when selecting an HVAC system for a Toronto home?

    Long-term considerations include the energy efficiency of the system, suitability for Toronto’s climate, and expected lifespan of the equipment. Homeowners should assess the availability of replacement parts, warranty coverage, and the reputation of the manufacturer. Planning for regular maintenance and considering possible future upgrades, such as smart thermostats or air quality enhancements, can also add value. Upfront investments in higher-efficiency systems may result in lower operating costs and greater comfort over time.

    What are some recent trends or innovations in the HVAC industry that Toronto homeowners might benefit from?

    Recent innovations in the HVAC industry include smart thermostats with remote access, energy-efficient heat pumps capable of both heating and cooling, and advanced air filtration systems that target allergens and airborne pollutants. Ductless mini-split systems are gaining popularity for their flexibility and efficiency. Some contractors also offer zoned climate control and integration with home automation platforms. Toronto homeowners may benefit from exploring available rebates for upgrading to eco-friendly systems and technologies that improve indoor air quality and comfort.

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