Commercial & Industrial HVAC Throughout The Greater Toronto Area

Who We Are

Mueller Mechanical is a family-owned and operated business serving the Greater Toronto Area. We handle all commercial and industrial HVAC (heating, cooling and air handler unit) projects from furnaces and air conditioners to extensive rooftop units and make up air units in the Greater Toronto region.

24/7 Emergency Service

Creative HVAC Solutions

We provide innovative ideas to solve your unique HVAC needs. We will constantly think outside the box to bring solutions to your challenges. With over 56 years of collective experience, there is a lot we can get done. We just do it, and do it right!

HVAC in Toronto (GTA)

We service Toronto and all of Southern Ontario including Vaughan, Richmond Hill, Markham, Thornhill, Brampton, Mississauga, Etobicoke, Oakville, Hamilton, Niagara Falls, St. Catharines, Collingwood, Stayner, Blue Mountain, Midland, Penetanguishene, Orillia, Barrie, Caledon, Orangeville and Newmarket.

Right Price

We here at Mueller Mechanical are all certified mechanics. We are capable of sales, service and installation of old HVAC units right up to the latest equipment and technology. We eliminate subcontractors and pass the savings on to you.

Will do Attitude

We embrace one simple thought; there is nothing we won’t do to satisfy our customers. Quality is number one. Our Will-Do attitude gets you results. We don’t give “Excuses.”

Our Word

We never break a promise or leave a job unfinished. This just doesn’t happen here.

Make-up Air Units, etc.

Packaged Rooftop Units

Radiant Tube Heaters


Ductless Air Conditioners


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