Air Conditioning Promo Offer! Save $500!
$500 Off of New Units – Offer Valid Until April 21st

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Family owned HVAC company based in Uxbridge with over 20 years of experience. Specializing in all areas of heating and cooling to put your family’s comfort first.
Check out our residential maintenance packages to keep your HVAC system running smoothly all year long.
Get the best HVAC tips from our expert technicians and learn more about our Uxbridge Community.
$500 Off of New Units – Offer Valid Until April 21st
Read more about out air conditioning sales & service here
Marx Mechanical Contracting in Uxbridge, Ontario is a team of fully-certified HVAC professionals, ready to tackle anything from the most complex and large scale construction projects to the smallest of repair jobs throughout the Durham Region. We are fuelled by a commitment to excellence and go the extra mile to make sure clients are completely satisfied with our HVAC work. Getting started with us is hassle-free, just follow these 3 simple steps:
We are here to help!
Prescheduled Annual Visit
System Inspections
Electrical Wiring & Components
Condensate Lines & Collector Box
Burner
Heat Exchanger
Blower Assembly
Inducer Motor
Pressure Switches
Venting Connections & Terminations
Flame Sensor & Ignitor
System Tests
Combustion Analysis (Flue & Supply Air)
Gas Pressure (Inlet & Manifold)
Motor Voltage & Amp Draw
Temperature Rise
System Cleaning
Blower Wheel
Burner Assembly
Condensate Piping
Prescheduled Annual Visit
System Inspections
Furnace Blower Assembly
Evaporator Drain Piping
Condenser Coil
Electrical Wiring & Components
Condenser Fan Motor
Refrigerant Piping & Valves
Compressor
System Tests
Motor/Compressor Voltage & Amp Draw
Refrigerant Pressures
Measure Superheat/Subcooling to ensure refrigerant charge
Delta T
System Cleaning
Condenser Coil
Condensate Drain Piping
Prescheduled Annual Visit and Full System Cleaning.
All Annual Checks in the Marx Arctic Package
All Annual Checks in the Marx Tropic Package
Being a family-owned business means we are able to connect with our clients and understand what they need. We know our clients are not looking for a sales person, they are looking for a trustworthy service provider and this is what we guarantee.
We understand how frustrating it can be when you have invested money in a system that is not working properly. Your HVAC system could be unreliable and leading to safety concerns and comfort issues. Our Marx team is there for you 24/7, give us a call and we will help you!
We know your time is valuable so when you book an appointment with us, we will commit and be there on time. We put our clients first and make sure your comfort is a priority to us so we’ll always show a sense of urgency.
Hiring someone without the proper credentials can lead to safety issues and choosing the wrong system for your home. That’s why our team of technicians is fully licensed in HVAC systems so you can be certain that you are not spending thousands of dollars on an unreliable service.
Our team has over 20 years of experience in heating and cooling systems. We have installed and serviced well over 7000 units as well as heated and cooled over 5M square feet of space. From condos and homes to cottages and office space, we have serviced all size spaces.
The Marx Promise is a service that balances cost, efficiency, and reliability, so you can have peace of mind while living comfortably in your home. That’s our comfort guarantee.
“If you’re looking for a reliable, professional, quality job at a great price then I would strongly recommend Marx Mechanical. Their level of service was second to none from the time they came out to quote to the moment they left site (even offering after service advice and guidance). No hidden charges, just great service and workmanship.”
“With the threat of the Covid virus, new furnaces were not being installed. We were considered an emergency. I had a new furnace installed the very next day! They took all the precautions to make us feel safe. They were professional and the price was right! I would recommend Marx if you want quick efficient professional service.”
“One of the best contractors I’ve ever dealt with. Was very professional, work was completed promptly, and they worked with excellent care not to damage my home.”
We are fueled by a commitment to excellence and go the extra mile to
make sure clients are completely satisfied with our work.