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AC Repair

Air Conditioner Repair in Uxbridge

Fast and Effective AC Solutions for Customers in Pickering, Newmarket, Oshawa, Ajax, and the Surrounding Ontario Communities

At Marx Mechanical Heating and Cooling, we know how important a cool, comfortable home is during Ontario’s warm summer months. That’s why we’re dedicated to providing fast, reliable, and hassle-free air conditioner repair services you can count on. 

Whether your AC is blowing warm air, making strange noises, or simply not working as it should, our team of experienced professionals is here to get things back on track quickly so you can enjoy a refreshing and worry-free indoor environment. With free estimates, financing options, and secure warranties, we make finding the right solutions to your unique issues easy.

Why Isn’t Your Air Conditioner Working?

There are many reasons why your air conditioner might not be working as expected, and understanding these common issues can help you identify and address the problem more effectively.

Common causes of AC trouble include: 

  • Dirty or clogged air filters. Over time, air filters can become clogged with dirt, dust, and debris, restricting airflow and making it harder for your AC to cool your home efficiently. Replacing your filters regularly can prevent this issue. 
  • Refrigerant leaks. If your system is low on refrigerant, it may struggle to cool properly. Leaks can reduce efficiency and pose safety risks, so they should be addressed by a professional as quickly as possible. 
  • Frozen evaporator coils. These coils rely on proper airflow to function correctly. If airflow is blocked or refrigerant levels are low, the coils can freeze and stop the AC from cooling your home. 
  • A malfunctioning thermostat. Sometimes, the issue isn’t with the AC itself but with the thermostat. If it’s calibrated incorrectly or has dead batteries, it can prevent the system from operating as intended. 
  • Electrical or wiring issues. Faulty wiring, blown fuses, or tripped breakers can disrupt the power supply to your air conditioner, causing it to shut down unexpectedly or fail to start altogether. 

Knowing the common culprits can help you take the first steps toward restoring your air conditioner’s functionality. If you’re unsure about the cause or need professional help, our knowledgeable technicians are always here to provide expert repairs and advice.

Request a free estimate from our Uxbridge AC repair team today by calling (289) 301-0414 or by contacting Marx Mechanical Heating and Cooling online – we answer our phones 24/7!

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Areas We serve

Providing service to Uxbridge, Ontario and other surrounding areas.

  • Ajax
  • Aurora
  • Georgina
  • Newmarket
  • Oshawa
  • Pickering
  • Richmond Hill
  • Whitby
  • Whitchurch-Stouffville

Should You Repair or Replace Your Broken Air Conditioner?

Deciding whether to repair or replace your broken air conditioner often depends on a few key factors, including its age, the extent of the damage, and the cost of repairs. If your air conditioner is relatively new and the issue is minor, such as a worn-out part or a clogged filter, a repair is often the best option. Repairs are typically more cost-effective and can quickly get your system back up and running. A professional inspection can help assess the problem and ensure an accurate, reliable fix.

On the other hand, replacement may be the smarter choice if your air conditioner is over 10-15 years old or if the cost of repairs is approaching or surpassing the price of a new unit. Older systems are often less energy-efficient, meaning a new unit could save you money on your energy bills over time. Plus, newer models come equipped with advanced features that can improve comfort and convenience in your home. Our team can guide you through the process, helping you make the best decision for your needs and budget.

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Make Marx Your First Choice Read Some of Our Five Star Reviews

    "Exceptional service!"

    Their team displayed extensive knowledge, answering all my questions thoroughly. The installation process was smooth and efficient, with a focus on precision and quality. The customer service was outstanding! They exceeded my expectations.

    Adam H.
    "So pleased to have chosen Marx Mechanical!"

    From the initial phone call, to the visit to the showroom, to the install, to the subsequent follow up of such, all the staff (including owner) could not have been more accommodating and more knowledgeable.

    Karen H.
    "Great team, great products, great experience."

    The systems are exceptional. I wouldn't change a thing about the experience and I would highly recommend Jason and his team at Marx Mechanical for any such work. Solid pros, excellent experience from start to finish!

    Daniel B.
    "Excellent HVAC company to work with!"

    They took time to work with us to get the best furnace/heat pump to replace our 20-year-old furnace. They've checked in with us regularly, and while we haven't had any issues, we know that they would go above and beyond to fix anything!

    Val R.
    "The team at Marx Mechanical did an amazing job with my install."

    They answered all of my questions, gave honest advice, and put in the extra effort to fit my new Daikin air handler into the very limited space that was available.

    Dennis P.
    "My experience was outstanding!"

    Each member of the team went out of their way to ensure I was well taken care of. In a world where everyone wants to cut costs by outsourcing and automating, Marx demonstrates the value of personal touch and putting the needs of their clients first.

    Blake M.
    "Every step was smooth and competently handled."

    We contracted Marx to replace our aging oil furnace with a high-efficiency heat pump. They arrived, promptly and prepared, on the agreed-upon installation date, protected walls and floors, worked diligently, and cleaned up afterward. Very professional!

    Jabette B.
    "Marx Mechanical staff are courteous and professional!"

    My furnace suddenly died and Marx Mechanical staff rearranged their schedule to be here the next day to replace my furnace (in a snowstorm). All my questions were answered and they even helped me set up the Daikin app on my phone.

    Karen B.
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When AC Issues Become HVAC Emergencies

Certain issues with your air conditioning system should not be ignored, as they could qualify as an HVAC emergency. Acting quickly can help prevent further damage to your system and maintain comfort in your home, especially during extreme weather. 

Call Marx Mechanical Heating and Cooling and request emergency assistance if you’re dealing with: 

  • Complete system failure. If your air conditioner has stopped working entirely and won’t turn on, especially during very hot or cold weather, it’s important to seek immediate assistance. 
  • Unusual or loud noises. Grinding, banging, or screeching sounds often indicate serious mechanical issues that need to be addressed right away to avoid further damage. 
  • Unpleasant odors. Foul smells coming from your vents could mean mould, burning components, or other hazardous conditions within the system. 
  • Leaking or excessive moisture. Water pooling around your AC unit or signs of refrigerant leaks could damage your home and pose health risks. 
  • Warm air blowing out. If your air conditioning is blowing warm air despite being set to cool, this could indicate a serious issue with your compressor or refrigerant levels. 

If you notice any of these signs, don’t wait to get help. Our professional team at Marx Mechanical Heating and Cooling is available to provide expert emergency HVAC services and restore comfort to your home.

Request same-day or emergency air conditioning repairs in Uxbridge, Pickering, Newmarket, Oshawa, Ajax, or any of the surrounding Ontario neighbourhoods by calling Marx Mechanical Heating and Cooling at (289) 301-0414!

What Makes Us Different? Benefits of Working with Our Expert Team

  • Local Values - Exceptional Service
    Being family-owned and operated means more than just business to us—it’s about building lasting relationships. We’re proud to serve our community with care, integrity, and quality you can trust.
  • Year-Round Comfort With Our Memberships
    Our membership plans are designed to keep your systems running smoothly all year long. Enjoy exclusive perks like priority service, discounted repairs, and regular maintenance.
  • 20+ Years of Combined Experience
    With decades of industry experience, Marx Mechanical Heating and Cooling delivers expert HVAC solutions with precision, reliability, and quality service.
  • Transparent, Upfront Pricing
    We strive for honesty and clarify in our services. We provide upfront pricing with no hidden fees—just straightforward, fair quotes from an HVAC company you can trust.
  • Join the Marx Comfort Club
    Year-round comfort is only a click away! Our membership plans offer priority service, discounted repairs, and more!
    Learn More