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Top HVAC Heroes in Toronto That Will Help You Beat the Heat and Banish the Cold

We extensively test and research all services we review. Here's why you can trust us.

My brother recently hired an HVAC company to fix his system, and it was a rollercoaster of frustration. 

The technicians seemed inexperienced, the costs kept climbing, and the repairs took weeks to complete. By the time they finally fixed it, he was left with a huge bill and a lot of headaches.

Having seen what he went through, I knew I needed a different approach for my own HVAC installation. So, I turned to my local friends and asked them which HVAC companies they trusted the most. 

In case you need them too, here are the most reliable HVAC technicians in Toronto to bring you comfort all year round!

Factors that may affect the price include the complexity of the job, the size of your system, the time of year, and any additional parts or labor required. 

Service Quality: We evaluated the overall quality of their services, making sure they provide consistent and effective solutions for all HVAC needs.
Technician Expertise: We assessed the training, certification, and experience of the HVAC technicians to ensure they are highly skilled.
Customer Reviews: We analyzed customer feedback and ratings to gauge the satisfaction and reliability of the services.
Response Time: We considered how quickly the HVAC company responds to service requests and emergencies.
Pricing Transparency: We checked for clear and upfront pricing, with no hidden fees or unexpected costs.
Warranty and Guarantees: We looked at the warranties and guarantees offered on both parts and labor to ensure peace of mind.
Range of Services: We assessed the variety of services offered, including installation, repair, maintenance, and emergency services.
Energy Efficiency Solutions: We evaluated the company’s ability to provide energy-efficient HVAC systems and solutions.
Customer Service: We considered the friendliness and helpfulness of the customer service team, ensuring a positive experience from start to finish.

1. Reliance Home Comfort

ADDRESSL3-145 Front St E, Toronto, ON M5A 1E3

(647) 837-2866


Reliance Home Comfort has been a go-to for all things HVAC and plumbing in the GTA, from Downtown Toronto to Scarborough. They’ve been in the business for over 60 years, and we think their experience really shows. 

They cover it all, offering installations, repairs, and maintenance for cooling and heating systems. 

Those interested in central air conditioning can choose from ductless mini-splits, and packaged air conditioners—all from reliable brands like Carrier, Rinnai, and Amana.

Their heating services are also comprehensive—they handle a wide range of furnace issues like ignition problems, malfunctioning thermostats, and blower fan issues. 

They even offer flexible options to rent or buy your new furnace or AC, which is super convenient. 

We also appreciate their emergency assistance.

However, we’ve noticed mixed reviews about their customer service—some folks have reported less-than-stellar interactions, which is something to keep in mind. 


  • Over 60 years of experience
  • Carries reliable central AC brands
  • Repairs a wide range of furnace issues
  • Offers flexible options to rent a furnace or AC
  • Provides emergency assistance


  • Reports of subpar customer service

Fast, reliable, and professional service

“Fast, reliable and professional service provided by Shivon this morning. He quickly identified the issue, replaced the parts and ensured that we are satisfied with the work. GREAT JOB.”

Nagi Messiha, Google Review

Provided a quick response to an emergency situation

“Brandon and team provided a quick response to an emergency situation. All options were discussed and full details provided. The installation went smoothly and in the time frame agreed upon. Excellent experience. Would highly recommend using Reliance.”

Rob Hall, Google Review

2. Laird & Son Heating & Air Conditioning

ADDRESS120 Dynamic Drive #22 Toronto Ontario M1V 5C8

(416) 421-2121


Laird & Son Heating & Air Conditioning is a 4th generation family-owned business that’s been serving the GTA for over 70 years. Their long-standing reputation is built on strong referrals from happy customers, which make up 90% of their business. 

When you book a service with Laird & Son, expect professional technicians in uniform and clearly marked trucks—no mistaking who’s at your door. 

They also carry top-notch brands like Mitsubishi Electric, Granby, Rinnai, and Navien, and are the oldest independent Lennox dealer in Canada. 

We also heard that whether it’s emergency boiler repair, furnace fixes, or air conditioner installations, they’re swift and efficient, always putting the customer first.

And if you’re worried about the cost, they offer flexible payment plans through Financeit, making big purchases more manageable. 

However, there have been occasional reports of rude staff members, so that’s something to keep in mind.


  • 4th generation family-owned business
  • 90% of their business comes from referrals
  • Uniformed technicians in clearly marked trucks
  • Carries top-notch brands
  • Swift and efficient
  • Flexible payment plans


  • Reports of rude staff

The team at Laird and Son was excellent

“The team at Laird and Son was excellent. We are a new customer and will definitely use them again. I sent an email in the evening asking for help solving our no hot water issue from our tankless water heater. I had a response from Michele before 8 am for a service call with Mack who showed up promptly, showed me the issue and solved it on the spot. Great service and fairly priced. Many thanks to them!”

S. Kate Moore, Google Review

Very happy with Laird & Son services

“Very happy with Laird & Son services. Our furnace was making a terrible noise and they were able to send a technician out for diagnostic within a few hours. They kept me updated via text message when someone would arrive (even a picture of who would be arriving). Technician Matt was kind, knowledgeable, and extremely helpful. Professional service with great communication.”

Lisa Mah, Google Review

3. City Home Comfort

ADDRESS710 Kingston Rd, Toronto, Ontario M4E 1R7

(416) 556-8368


City Home Comfort is a family-owned business that has been around since 1981, so we believe they can be relied on to keep your home cozy. 

Their licensed and insured technicians are experts in furnaces, air conditioners, boilers, and water heaters. We also noticed that they offer top-notch products from reputable brands like Panasonic, GREE, Bosch, Rinnai, Trane, and Amana. 

Impressively, they’ve earned them the trust of home builders, property magnates, and countless homeowners over the years. And with their 100% satisfaction guarantee, you can rest easy knowing you’re in good hands.

Unlike other HVAC companies, we’re thrilled that they’re available 24/7, every single day of the year.

Additionally, they offer financing through Financeit, making it easy to pay via monthly installments. 

We did hear about some of their installers arriving late, which we agree is annoying.


  • Open since 1981
  • Offers top-notch products
  • Available 24/7
  • Offers financing through Financeit
  • 100% satisfaction guarantee


  • Reports of late installers

Their technicians are a league above the rest!

“Highly recommend them, don’t waste your time on others. Seamless and exceptional experience with the City Home Comfort team. Their technicians are a league above the rest! (before them, we had a terribly inexperienced & unprofessional technician from another company who was rated super well on homestars come who didn’t help us at all.) City Home Comfort was a refreshing experience, from booking to invoicing & followup. Thank you for speedily fixing our HVAC at a fair cost and for all the support and seamlessness throughout.”

Aditi Dixit, Google Review

Only great things to say about City Home Comfort

“Only great things to say about City Home Comfort. All the staff were friendly and professional. Shawn was very knowledgeable and helpful in choosing the right furnace for my needs. I needed a new furnace on an emergency basis and it was purchased, delivered and installed in an incredibly timely manner. Chris and Chris who did the installation were awesome: very considerate, great work, communication, and tidy! Would definitely recommend.”

Diana, Google Review

4. Bullet Proof Heating & Cooling

ADDRESS641 Bloor St West Upper Level Toronto, ON M6G 1L1

(647) 493-0387


Bullet Proof Heating & Cooling is a local business with a straightforward philosophy: do good work at fair prices, and people will remember. This approach has clearly paid off, as they even won Gold in the 2017 Mountain News Reader’s Choice Awards.

Their team of mostly locals brings years of experience in the HVAC industry.

Here’s how they operate: First, their team will give you a no-obligation, free quote. 

Then, they’ll assess your needs and help you find a solution that fits both your home and budget.

Speaking of solutions, they carry top HVAC brands like Goodman, Amana, American Standard, and Keeprite. You can even get over $6,500 in rebates when you upgrade to a new high-efficiency heating system. 

Financing options are also offered—they’re tailored to your situation, with everyone approved regardless of financial standing or credit history. 

However, some customers have reported late arrivals, which can be pretty inconvenient.


  • Award-winning
  • No-obligation, free quote
  • Assesses your needs to find a solution
  • Carries top HVAC brands
  • Provides rebates
  • Financing options available


  • Inconvenient late arrivals

Thorough, genuine, and fixed my HVAC issue in 2 days

“I had a good experience with Bullet Proof Heating & Cooling; from the initial phone call booking to the on site service and follow up. Han was thorough, genuine and fixed my hvac issue in 2 days. Thank you!”

Lili Chen, Google Review

Very fast and efficient

“Very fast and efficient, and I didn’t have to wait long especially during their busy season I definitely would recommend them.”

tdb tdb, Google Review

5. SunnySide Heating and Air Conditioning

ADDRESS283 Danforth Avenue, Unit # 111, Toronto, ON M4K 1N2

(416) 573-7212


SunnySide Heating and Air Conditioning has been a trusted name in the Toronto area for over 25 years. 

Their HVAC products come from high-quality brands like Keeprite, Navien, Weil McLain, and Bradford White, all backed by warranties for your peace of mind.

Plus, for those looking to keep their systems in top shape, they offer affordable annual inspections and maintenance services. These inspections help identify issues like dirty coils and burned-out contactors before they cause long-term damage. 

As a bonus, they offer same-day service for all repairs and 24/7 emergency repairs, so you’re never left in the cold—or the heat. Their services also come with a one-year repair guarantee, which is a nice touch.

We like that they don’t charge extra for after-hours calls. They even offer flexible financing options, making it easier to budget for necessary updates and repairs.

However, some customers have noted that they can be hard to reach over the phone. 


  • Over 25 years of experience
  • High-quality HVAC brands
  • Annual inspections and maintenance 
  • Same-day and 24/7 emergency repairs
  • One-year repair guarantee
  • No extra charge for after-hours calls
  • Flexible financing option


  • Can be hard to reach via phone

Really happy with the work done from SunnySide

“Really happy with the work done from SunnySide on replacing the water heater and furnace. I appreciate them for educating me on the government rebate program as well as recommending the most efficient furnace and water heater. So much space was freed from removing the old water heater it was hard to believe. Thank you!”

Iris Bogdani, Google Review

Friendly, knowledgeable, and fixed the problem on the spot

“Highly recommend. Noah and Gavin came the same day I called, right on time. They were super nice, friendly and knowledgeable and fixed the problem with my furnace humidifier on the spot. Will be calling them again for any HVAC issues!”

Kathryn Collins, Google Review