Affordable Heating and Cooling Repair, Installation and Services for Toronto, Ontario

When you’re a customer of Laird & Son, you become our reason for doing what we do.

Ensuring your Comfort and Safety

Heating and Air Conditioning TorontoFor over 60 years, Laird and Son Heating and Air Conditioning has been there to take care of our customers across the GTA, serving the Downtown Toronto region, Markham, Scarborough, Richmond Hill, Brampton, and Mississauga. If you are outside of our heating and air conditioning service area, please call and we will do our best to help!

For over three generations, Laird & Son has stayed true to its founding principle: making sure that every customer is completely satisfied.

24 Hour Emergency Service

Laird & Son Heating and Air Conditioning TorontoWe are a family owned and operated company – one of the most experienced HVAC companies in Toronto. Laird & Son is the oldest independent Lennox dealer in Canada and we operate on values that place the customer first by providing prompt 24 hour emergency service for furnace installation and heating repair, boiler repair, air conditioner installation and service, and tankless water heater repair.

Laird & Son Fuels Ltd. can provide service on oil furnaces, new tank installations as well as automatic fuel delivery. We take pride in carrying the best equipment for fair prices. Our reputation precedes us with 90% of our business resulting from referrals and existing customers. We love to do a great job, see our customers smile, and then hear the neighbours call us the friendliest heating contractors in the locale or comment about our prompt air conditioning service.

Contact us anytime and speak with a specialist that can assist you on all heating and cooling concerns. We’ll make sure that can enjoy a comfortable and energy-efficient home throughout the year. We also offer repair and maintenance services for ductless air conditioner systems.

Licensing & Training

Laird & Son Heating and Air Conditioning TorontoHomeowners need protection from accidents and hazards. Equipment needs protection from improper installation. Laird & Son provides the best training and licensing, compliant with codes, bylaws and workplace safety.

Our company is TSSA registered, Metro licensed, and owner Neil Laird is an HRAI member. His company is WSIB compliant and has $5,000,000 liability insurance, and holds his employees accountable for behaviour and cleanliness. Drop sheets are used on all jobs and plastic shoe covers on boots to keep your carpets clean and floors safe.

Laird & Son Heating and Cooling Toronto

Safety & Protection

All service technicians and installers wear uniforms. All of our trucks are boldly lettered. There is no mistaking who is knocking on your door. When sub-contractors are used for work such as removals and chimney liners, they are TSSA compliant (meaning they have proper licences and insurance coverage). You are protected from accident liability when dealing with Laird and Son.

Laird & Son Heating and Cooling Toronto


Laird and Son has spent decades building relationships with organizations and we are proud to be affiliated with the following:

Laird and Son

Oldest Independent Lennox Dealer in Canada

Laird and SonOur team of specialists can provide all your heating and air conditioning needs in Toronto. We service and install boilers and radiant heat, service and install gas furnaces and air conditioners, install full duct systems, service and install attic air conditioning systems (high velocity and low velocity). We install gas, electric and oil fired water heaters, tankless water heaters and combination boilers that provide hydronic heating and domestic hot water with one unit.

Laird & Son Fuels Ltd. still delivers oil and services oil burners. We convert oil heated homes to gas and specialize in servicing older homes. We provide service to new homes and are experts in conditioning renovations and additions.

SNAP Financial Services

SnapReally, it’s no problem. At Laird and Son Heating and Air conditioning we have financing available through SNAP financial services. What sets us apart from other HVAC contractors is that you can finance your new furnace, AC, or complete system at reasonable interest rates with no down payment.

Monthly payments are lowered with 12 year terms that allow you to pay down or pay off the loan at any time with no penalty.

Call Laird and Son Heating and Air Conditioning

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