Welcome to Middlesex Mechanical

We're London's provider of heating and cooling services. Our team specializes in HVAC, gas pipe fittings, duct design, air conditioning repair, furnace repairs, and more. Whether you're a residential property owner, a business, or an industrial company, trust the Middlesex Mechanical team to get the job done.

Our Suppliers

Main Supplier

Backup Suppliers

Furnace & Air Conditioners

Smart Thermostats

Water Heaters

Tankless Water Heaters

Services in London and Surrounding Area

Furnace Servicing

Heating repairs and regular maintenance. Selling and installing the latest furnace models from the top major brands.

Air Conditioning

AC repairs, maintenance, and sales from the top brands in cooling for central or unit air conditioning systems.


Repairs, design, and installation for commercial HVAC systems. We provide a complete package for prompt servicing and repairs that keep your system running.


Installation and maintenance of home heating systems, cooling systems, thermostats, gas fittings, and other pieces that improve home comfort.

Pool Heating

Pool heating installations and repairs to keep your swims comfortable and relaxing!


Keep your heat going strong with new units, repairs, and maintenance all backed by strong warranties.

AC Installation

Do you need a new air conditioning system? Want to replace an aging system? Trust Middlesex Mechanical for the top models and the best installation services.

And More

When it comes to heating and cooling needs, we're there for you. Whatever your needs, call our team today for a free quote.

We serve
London & The Surrounding Areas

Our team works in London, Ontario to service residential, commercial, and industrial clients in the city and its surrounding areas.


Our Values

As a company, we are committed to delivering a superior service without sacrificing the terrific customer service we are known for throughout Middlesex county. The company was founded by owner Chris Smith and has quickly grown to a larger team.

We are fully licenced and certified as a regulated service. Rest assured when you hire Middlesex Mechanical for a job, we will attend the job site with staff who are not only licensed but friendly and helpful.

We encourage our clients to leave honest reviews of their experience on Google and to review those comments when considering retaining us for a job. 

When Middlesex Mechanical attends your home, we promise to treat your property with respect. We clean up after our work and remove our shoes when we enter. We make sure to let our clients know what work we are performing and what it will cost before they are obligated to the service.

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