Stay Comfortable All Year Long

StayComfortableAll Year Long

The most reliable choice for heating, air conditioning and gas needs for your home in Greater Toronto Area & surrounding areas

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HVAC & Gas company proudly serving the GTA & surrounding areas

Seeley’s Heating & Cooling is the name you can trust when you are looking for experienced and reliable HVAC contractors!

Our HVAC technicians have the expertise to assist you with everything from high quality installations and maintenance to efficient repairs for your heating and cooling equipment. We make sure that your home is comfortable and that you aren’t overspending on your energy bills year round. 

When you need HVAC services, count on Seeley’s Heating & Cooling to get to you fast and get the job done right the first time!

Get a FREE Estimate

Our technician will come on site, evaluate the work involved and provide you with a detailed estimate. We will be in touch shortly!

What Sets Us Apart

Why Your Neighbours Love Us

Quality Servicing

Our technicians are trained to deliver only high quality servicing so that your investment is protected and your family stays comfortable all year long.

Labour Warranty

For your protection, we have a one year labour warranty for our installation, maintenance and repair services.

We Service All Brands

We service all brands of heaters and air conditioners and we’re licensed to recommend and install the best brands in the industry.

Upfront & Affordable Pricing

Before we complete any work, we provide a free estimate. We make sure there are no unmentioned costs when the work is complete and that our prices are reasonable.

Locally Owned and Operated

We are proudly keeping homes across the Greater Toronto Area and surrounding areas at the perfect temperature all year long.

Customer Care Excellence

Our friendly experts arrive on time, listen to your needs and address all questions. We are dedicated to your satisfaction!

We Offer Comfort You Can Count On

Personalized Service for your home needs & budget

  • Heating
  • Air Conditioning
  • Gas


Homeowners depend on their furnace to keep them warm during the cold winters that we have here in Canada. Our experienced and certified technicians will solve your heating issues in no time, making sure that your energy bills are as low as possible and that your furnace is operational for a long time.

Water Tanks

Water tanks give us the hot water we need to shower, wash our hands, do our laundry, and power our dishwashers. When you don’t have a full supply of hot water, count on the technicians at Seeley’s Heating & Cooling to be there fast.

Air Conditioners

Be prepared for heat waves during the summer months by ensuring that your air conditioner is working properly. Our air conditioning services are second to none, making sure that your home is cool again and that you can go back to normal day to day.

Ductless Air Conditioners

Ductless air conditioners are an efficient and less costly way to keep your home cool. Ensure that your ductless air conditioner is in proper working order to last you through the hot summer days and keep your energy costs as low as possible.

Gas Lines

We rely on gas lines to power many major appliances in our home. Any malfunction within your gas line system can pose a threat to your safety, especially gas leaks. With our experience and expertise, you can rest assured knowing that your safety is in the hands of experts.

Proudly Serving GTA & Surrounding Areas

Homeowners all across the Greater Toronto Area have been trusting us with their HVAC home needs. We provide honest and high quality service at reasonable prices.

See Why Homeowners in GTA choose to work with Seeley's HVAC

5 Star HVAC Company Ready to Help With all of Your Home Needs

We Service All Brands & Models