Fast, Reliable AC Repair in Markham
Certified technicians, upfront pricing, and same-day service you can count on.
AC Repair Markham โ Reliable, Fast & Locally Trusted HVAC Services
When summer temperatures soar in Markham, you rely on your air conditioning unit to keep your home or business cool, comfortable, and safe. If your AC isnโt performing as it should, City Energy is your go-to provider for professional, dependable, and affordable AC repair in Markham. We are proud to offer air conditioning solutions that prioritize performance, indoor air quality, and long-term energy savings.
With over 25 years of experience in HVAC Repair, our certified and expert technicians are available 24/7 to provide emergency repairs and fast response times throughout Markham, ON. Whether your system is blowing hot air, leaking, making strange noises, or not turning on at all, weโre just one call away from getting your system back up and running.

Common Air Conditioning Issues We Fix
Inadequate Cooling
If your air conditioning unit is running but not cooling effectively, the problem could stem from low refrigerant levels, a failing compressor, or blocked airflow. Our HVAC Experts perform a comprehensive diagnostic to determine the root cause and apply efficient solutions to restore full cooling functionality. We aim to improve not just temperature control, but also your indoor air quality and system reliability.
Strange Noises or Odors
Grinding, banging, buzzing, or musty odors indicate underlying issues that could lead to costly repairs if ignored. These signs might point to loose parts, mold, or motor malfunctions. Our friendly team inspects every component, ensures clean replacements, and resolves the issue efficiently. Maintaining a quiet, odor-free system is part of our commitment to excellence in customer service.
Electrical Failures
From tripped breakers to thermostat failures, electrical issues can quickly render your system non-functional. Our expert technicians have extensive experience with diagnosing and correcting these problems. We ensure safety and performance throughout the entire process, delivering exceptional service you can trust.
Leaking or Moisture Problems
Moisture buildup, frozen coils, or clogged drains can cause major damage. We promptly detect and resolve leaks at their source. Protecting your system and your property from water damage is a key aspect of our excellent service, helping avoid future emergency repairs and ensuring peak air quality indoors.
Poor Airflow
Weak or inconsistent airflow can result from issues with ductwork, clogged filters, or failing blower motors. Our HVAC service technicians address each component, boosting system output and improving indoor air quality in every room.
AC Repair Services We Offer in Markham
At City Energy, we offer a full spectrum of AC repair and HVAC services to address the diverse needs of both residential and commercial clients in Markham. Whether youโre facing minor discomfort or a major breakdown, our expert team of HVAC service technicians delivers top-quality service that prioritizes customer satisfaction and long-term performance.
Residential and Commercial HVAC Services in Markham
We provide tailored air conditioning solutions for every kind of property:
For Homeowners:
1. Air conditioner repair and regular maintenance
2. Central and ductless air conditioners servicing
3. Pre-season inspections and tune-ups
4. Smart thermostat setup and zoning optimization
5. 24-hour emergency availability
For Businesses:
1. Rooftop unit servicing and repairs
2. Commercial system diagnostics and upgrades
3. Filter change programs to boost air quality
4. Scheduled HVAC repair and seasonal prep
5. Maintenance contracts for system longevity
AC Maintenance Services to Avoid Repairs
Preventive care is the key to avoiding costly repairs. Our regular maintenance program helps you stay ahead of potential problems and maximize system efficiency.
Our Maintenance Checklist Includes:
1. Checking refrigerant levels
2. Coil cleaning (evaporator and condenser)
3. Filter replacement for better air quality
4. Full ductwork and airflow inspection
5. Thermostat calibration and system tuning
6. Motor lubrication and control testing
7. Electrical connection checks for safety
These tune-ups donโt just protect your systemโthey improve energy efficiency, extend unit life, and promote cleaner, healthier indoor air quality. We believe every homeowner and business deserves efficient solutions backed by dependable care.
Beyond AC Repairs: Our Full HVAC Services in Markham
City Energy is your all-in-one provider for air conditioning solutions and more:
1. Furnace repair and installation for winter comfort
2. Tankless water heater services for endless hot water
3. Gas piping installation for appliances and BBQs
4. Full HVAC Installation with energy-efficient equipment
5. Pre-season inspections for readiness and reliability
Each service is delivered by our HVAC service technicians, trained to meet your needs with precision and care.
We offer 24/7 Emergency Service to all our customers.
Why Choose City Energy for AC Repair in Markham?
Choosing the right HVAC Experts can make all the difference when your cooling system breaks down. At City Energy, we stand out with a proven track record of excellence in customer service, offering unmatched skills, quick diagnostics, and efficient solutions tailored to your unique needs. Here’s why homeowners and businesses across Markham trust us for all their cooling needs:
24/7 Emergency HVAC Service
When your air conditioner breaks down unexpectedly, you need help fast. Thatโs why City Energy offers 24/7 emergency service for AC repair in Markham, ensuring youโre never left in the heat. Our friendly team of HVAC professionals is always on callโday or night, weekends, and holidaysโto restore your comfort.
We understand that breakdowns can happen at the worst times, which is why we provide 24-hour emergency responses across all Markham neighborhoods. Whether itโs a complete AC failure or minor leaks and noises, our team arrives promptly with the tools and expertise needed to resolve most issues in a single visit. Donโt waitโcall us for exceptional service that prioritizes your comfort and client satisfaction.
Certified and Experienced Technicians
Our team includes HVAC service technicians who are fully certified, licensed, and trained in handling all makes and models of air conditioning units. With decades of hands-on experience in air conditioner repair, weโve dealt with everything from refrigerant issues to costly repairs involving electrical faults or compressor failures.
We continuously train to stay current with the latest industry standards and equipment, enabling us to offer expert service across all types of systemsโfrom traditional central ACs to ductless air conditioners. Whether for your home or office, our expert team guarantees safe, accurate, and lasting repairs that enhance your system’s performance and air quality.
High-Quality Parts and Repairs
We use only the highest-grade replacement parts for all air conditioner repair jobs. Whether we’re fixing refrigerant lines, calibrating thermostats, or replacing fan motors, you can count on excellent service and lasting results.
Every repair meets strict industry standards, using parts that are compatible with your system to extend its lifespan and efficiency. Our dedication to using top-tier materials ensures improved cooling performance, reduced risk of costly repairs, and better indoor air quality over time.
Regular Maintenance to Prevent Breakdowns
Prevention is always better than a cure. In addition to repairs, we offer regular maintenance services to help you avoid unexpected breakdowns. Scheduled tune-ups and inspections improve your system’s reliability, extend its life, and enhance air quality throughout your space.
Routine checks allow our HVAC service technicians to spot potential issues before they turn into emergencies, saving you time, money, and discomfort in the long run. This proactive approach is a key part of delivering excellence in customer service and ensuring your year-round comfort.
Locally Owned and Operated Business
City Energy is proud to be a locally owned and operated HVAC company right here in Markham. Our deep understanding of the local climate, homes, and businesses allows us to provide faster response times and more relevant advice.
Being part of the community means we treat every customer like a neighbor. We care about your comfort, and weโre here to build lasting relationships through client satisfaction, professionalism, and community values. When you choose City Energy, you’re supporting a local business that delivers exceptional service every time.
No one wants to wait for days to get their air conditioner fixed. City Energy offers same-day service to restore comfort quickly. Our local technicians are dispatched fast and come fully equipped to handle most repairs on-site.
Whether your system is leaking, making noise, or not cooling effectively, we provide efficient service designed to resolve issues within hours. Because air conditioning is not a luxuryโit’s a necessity during Ontario’s hot summers. With us, you’ll always receive top-quality service delivered with urgency and care.
At City Energy, we believe that great service begins with transparency. When you call us for AC repair in Markham, youโll receive an honest, upfront estimate with no hidden charges. We take the time to walk you through the entire process, explain your repair options, and help you make informed decisions.
Our rates reflect competitive prices designed to deliver the best value. Whether it’s a simple fix or a more complex job, our pricing is fair, and we stick to our word, earning your trust with every interaction.
Top HVAC Technicians in Markham
We offer 24/7 Emergency Service to all our customers across Markham. Count on City Energyโs expert technicians for prompt, reliable AC repair done right the first time! Our advanced diagnostic tools ensure we quickly identify and resolve your air conditioning problems, keeping your home or business cool and comfortable.
Contact CITY ENERGY Experts Today!
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Frequently Asked Questions
How do I know if I need AC repair in Markham?
If your air conditioning unit is blowing warm air, making strange noises, leaking, or driving up your energy bills, itโs a clear indication that you need professional air conditioner repair. Other signs include weak airflow, foul odors, and uneven cooling throughout your home or office. These issues can negatively impact your indoor air quality and lead to costly repairs if not addressed early.
Our HVAC service technicians are trained to spot problems fast and deliver efficient service using industry-best practices. At City Energy, we prioritize client satisfaction through quick diagnosis, top-quality service, and durable fixes that restore comfort and energy efficiency.
How fast can you respond to an emergency AC repair in Markham?
We understand how critical it is to stay cool during the summer. Thatโs why we provide 24-hour emergency and 24/7 emergency service for air conditioner repair throughout Markham. Whether itโs the weekend, a holiday, or late at night, our friendly team is on standby to respond within hours of your call.
Our expert technicians arrive fully equipped to handle emergency repairs on-site. In most cases, we complete the entire process during the first visit, ensuring minimal downtime and maximum comfort. Itโs just one of the ways we deliver excellence in customer service every step of the way.
Do you service all types of air conditioning systems?
Absolutely. Our HVAC service technicians are experienced in repairing a wide variety of systems, including central air conditioners, rooftop commercial units, and ductless air conditioners. We specialize in air conditioning solutions that fit your specific setupโwhether it’s a modern ductless system or a traditional unit.
As HVAC Experts, we handle all major brands such as Lennox, Carrier, Goodman, York, Mitsubishi, and Trane. No matter your model, weโll provide expert service that restores peak performance and improves your air quality.
Whatโs the cost of AC repair in Markham?
The price varies depending on the issue, parts involved, and the type of air conditioning unit. At City Energy, we focus on transparent, fair pricing. We offer competitive prices and affordable prices without compromising on quality. Every job includes a detailed, upfront estimate with no hidden fees.
We also provide options for regular maintenance plans that help you avoid costly repairs and save money long term. Our goal is to offer efficient solutions with outstanding value, backed by our commitment to customer satisfaction.
Can you repair my air conditioner the same day?
Yes, we can! We offer same-day air conditioner repair appointments in Markham. Our expert team arrives promptly with fully stocked service vans, allowing us to fix most problems during the initial visit. This ensures efficient service and gets your system back up and running without delay.
Whether you’re dealing with refrigerant leaks, fan issues, or faulty thermostats, our HVAC service technicians deliver exceptional service you can rely on. We’re here to restore comfort and maintain client satisfaction at every touchpoint.
Do you offer maintenance plans to prevent future AC issues?
Definitely. We strongly recommend regular maintenance to keep your system operating efficiently and to extend its lifespan. Our preventive care programs are designed to minimize the chance of sudden failures and preserve your indoor air quality year-round.
Our AC maintenance packages include:
1. Seasonal tune-ups and safety checks
2. Filter cleaning and replacements
3. Refrigerant level inspections
4. Ductwork and airflow evaluations
5. Full system diagnostics by expert technicians
These services improve energy performance, enhance comfort, and provide peace of mind. Itโs all part of our mission to deliver excellent service, superior value, and long-term customer satisfaction across Markham.