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Greater Toronto’s Premier Home Services Company

A/C Repair

Air Conditioning Repair & Troubleshooting Toronto

In the event of an A/C breakdown, DeMarco Mechanical does it’s best to get your system back up and running in the shortest time possible. We do our very best to prevent A/C breakdowns so that you are not left unprotected from the summer heat, which is why in addition to repairs, we offer inspections and regular maintenance on all A/C systems.

A/C Repairs & Troubleshooting across Downtown Toronto, North York, Scarborough, Etobicoke, Vaughan, Richmond Hill, Thornhill, Markham, Aurora, Newmarket, King City, Pickering, Stouffville, Whitby, Ajax, Oshawa & more.

Our company is here to guarantee the working condition of your Air Conditioner, rain or shine, and you can expect the highest quality services, the most knowledgeable technicians and the GTA’s most reliable repair service when you hire DeMarco Mechanical.

The licensed A/C professionals at DeMarco will provide you with emergency A/C repair services 24/7, to ensure you’re never left without repairs when you need them most. Our main objective is to restore your air conditioning system to the same level of operation, which is why we pride ourselves on our quick diagnostics, excellent repair skills and same day replacement of parts. When you call our company you can be sure your repairs will be done with the same skill and care that you would give them yourself.

Our Comprehensive AC Repair Services in Toronto

  • Professional, timely and accurate services
  • Up to date tools, parts, and knowledge
  • Wide range of repairs
  • 24/7 emergency response times and dispatch within 2 hours of your call
  • Immediate diagnostics, tune-ups and system checks
  • Professional consultations with our excellent service representatives
  • Competitive pricing
  • Comprehensive heating and cooling service Toronto
  • Service of all major brands like Amana, Goodman, Rheem, Carrier, Lennox and more!
A/C Replacements and Installations

Our teams offer comprehensive repair services in addition to maintenance, installations, and replacements of AC systems. With our highly professional teams, you’ll reap the benefits of the above and more. Here’s what DeMarco Mechanical can offer you today:

A/C Repairs: We offer immediate tune-ups, system checks and diagnostics of the necessary repairs. Everything from part replacement to standard filter replacements as well as quick service from the moment you call.

A/C Replacements/Installations: If you need an air conditioning system replaced and installed, we are the best in the business. We install all systems, ductless and otherwise in buildings both commercial and residential.

A/C Maintenance: Regular tune-ups and cleaning of your ducts and air filters. We clean exterior cabinets, condensing coils, evaporator coils, test operating refrigerant pressures, test and measure temperature rise, fan speed and offer filter replacements. We offer Amana AC repair, Goodman AC repair, Rheem AC Repair, Daikan AC, Carrier AC repair and more!

A/C Inspections: We offer full inspections of systems, inspecting electrical components, wiring, compressors, blower wheels, ductwork, service valves, condenser fans, and blades.

Licensed AC Professionals at your Service 24/7

DeMarco Mechanical offers a wide range of repairs, and will quickly help you diagnose whatever issues you may be encountering with your system. In addition, we stock a variety of AC units, ductless and not, with products from Goodman, Amana, Lennox, Trane, Keep Right, Ducane, Rheem, York and Carrier. Our company guarantees up to date equipment, fully stocked repair parts, professional services and quick response times. We also offer 24/7 emergency response and will have a dispatch to you within 2 hours of your call.


If you encounter a faulty, failing or dying air conditioning unit, we always recommend calling us ASAP for a diagnostic. The following symptoms are generally indicative of problems requiring repair, or full replacement: refrigerant leaks, unusual noises or odours, thermostat malfunctions, clogged or dirty filters and a general failure to cool the area. We also stock and install many major brands of AC units such as Lennox AC. If you encounter any of these problems, give us a call as soon as possible. We prevent major problems and fix any faults with comprehensive ac repair and service.

air conditioning unit

15 years of Experience with Air Conditioning

Our company is invested in 100% customer satisfaction with our services, which is why we strive to be the best, most trustworthy Mechanical repair company in the GTA. Having served the area for over 15 years, DeMarco Mechanical is the best name in repairs. We provide repairs, general maintenance, inspections, replacements of parts and full replacements of A/C systems. There is no job too big or too small for our company, and we always take the time to ensure complete customer satisfaction in every aspect of our job.

Each repair is done with the highest quality parts which match your equipment, and offer a 30-day warranty on every repair or part used. Our highly trained professionals will ensure that the job is done correctly the first time. Our company also believes in creating a good relationship with our customers, which is why we offer multi equipment discounts, service contracts and highly competitive rates throughout the entire GTA. We offer AC repair, heater and air conditioner service, general HVAC contracting in Markham, North York, Toronto, Thornhill, Vaughan, Scarborough and further!

Call us today to schedule an appointment! We are 10/10 rated by HomeStars & Google.