How Much Does AC Repair Cost?

The average AC repair cost ranges from CAD 100 to CAD 4,500, with many homeowners paying between CAD 150 and CAD 600 for common repairs. Major repairs, such as evaporator coil or ductwork replacement, can range from CAD 1,000 to CAD 4,500, while minor repairs like air filter or capacitor replacement often cost under CAD 400. The final cost depends on the type of repair, the parts required, the labour involved, and whether the issue is a simple fix or a more complex system problem.

• Air Filter Replacement
  Replacing the air filter costs CAD 10 to CAD 50, making it the least expensive repair in this section. A standard air filter costs less than a higher-filtration option, and this low-cost service often helps maintain airflow in the AC unit before a larger repair develops.
• Capacitor Replacement
  Capacitor replacement costs CAD 100 to CAD 400. This is a common AC repair because capacitors fail over time, especially in older systems, and the final repair cost depends on the part type and the labour charged for diagnosis and installation.
• Thermostat Repair or Replacement
  Repair costs for basic thermostat models generally range between CAD 75 and CAD 125, whereas smart thermostats or complex systems can cost CAD 300 or more to repair. In many cases, it is more cost-effective to replace the thermostat, which can cost up to CAD 300, if it is over 10 years old, as older units tend to be less reliable and less energy-efficient.
• Refrigerant Recharge
  Recharging the refrigerant costs CAD 150 to CAD 500. The total depends on the type of refrigerant, the amount required, and whether the system also has a refrigerant leak that needs repair before the recharge can solve the cooling problem.
• Fan Motor Replacement
  Replacing a fan motor costs between CAD 200 and CAD 900. The price varies based on the motor type, the AC unit design, and the amount of labour the HVAC technician needs to remove and install the failed component.
• Blower Motor Repair
  The cost of a blower motor repair ranges from CAD 300 to CAD 900. This repair sits in the mid-range because the blower motor circulates indoor air, and costs rise when the motor is severely worn or the repair becomes a full replacement.
• Evaporator Coil Repair or Replacement
  Repairing or replacing an evaporator coil costs CAD 1,000 to CAD 4,500. This is one of the most costly non-compressor AC repairs because the evaporator coil is a major indoor component, and the work often includes more labour, more parts, and added refrigerant service.
• Ductwork Repair
  Fixing ductwork generally costs between CAD 1,000 and CAD 3,000. The total repair cost depends on the extent of ductwork damage, the area’s accessibility, and whether the contractor needs to seal, patch, or replace sections of the air distribution system.
• Drain Line Clearing
  Clearing a drain line costs CAD 100 to CAD 500. While less expensive than major component replacements, costs can rise if the clog has caused water backup or recurring drainage problems, or if it requires an extended diagnostic visit.

The table below summarizes the typical low, average, and high costs for common AC repairs:

Central AC repair costs CAD 150 to CAD 1,500, with most homeowners paying CAD 300 to CAD 900, depending on the component, labour time, and system complexity. Fixing a central AC unit costs more than a window or portable AC because it includes larger components, integrated ductwork, and a more complex airflow system. Minor repairs, such as capacitor replacement or thermostat fixes, stay in the lower range, while major repairs, such as evaporator coil or blower motor work, increase the total repair cost.

Central air conditioning systems require more labour because HVAC technicians must access both the indoor and outdoor units, and ductwork issues can further increase service call costs. Repair costs often approach replacement when the AC unit is over 10 years old or uses outdated refrigerant such as R-22, making replacement a more cost-effective decision.

Portable AC repair costs CAD 150 to CAD 400, with most repairs falling between CAD 150 and CAD 350, depending on the issue and parts required. Portable AC units are more cost-effective to replace than repair when they are older or when repair costs exceed 50% of the unit price. With new units costing between CAD 300 and CAD 700, replacement is often the more practical option.

Repairing a portable AC unit generally costs less than fixing a central AC system because it is compact and lacks ductwork and other large components. Common issues, such as a clogged air filter, a faulty thermostat, or minor refrigerant problems, tend to fall within the lower range, while compressor or electrical issues can significantly increase repair costs.

Compare the system type, failed component, parts availability, refrigerant, access and service timing. Ask whether the diagnostic charge is separate and whether the quote includes return visits, testing and disposal. Peak-season availability and urgent-service charges must be confirmed with the contractor.

7 key factors that influence AC repair cost:

• Type of AC Unit
  Central AC units cost more to repair than mini-splits or portable AC units due to larger components and ductwork, with typical repair costs of CAD 150-CAD 1,500 for central systems, CAD 200-CAD 800 for mini-splits, and CAD 150-CAD 400 for portable or window units.
• Severity and Type of Repair
  Minor repairs, such as air filter or capacitor replacement, remain low-cost (CAD 100-CAD 400), while major repairs, such as compressor or evaporator coil replacement, can range from CAD 1,000 to CAD 4,500.
• Age of the Unit
  AC units over 10 years old cost more to repair due to wear-related failures and harder-to-source parts, with OEM parts for discontinued models adding to the expense,  raising repair costs to CAD 500-CAD 1,500 depending on the issue.
• Cost and Availability of Replacement Parts
  OEM or hard-to-find parts increase AC repair costs, especially for discontinued models. For example, systems using R-22 refrigerant are more expensive to service due to scarcity.
• Labour Rates
  HVAC labour ranges from CAD 80-CAD 150 per hour, with urban rates higher than rural rates, and diagnostic fees are separate, together accounting for roughly 40-50% of total AC repair costs.
• Type of Refrigerant
  R-22 systems are significantly more expensive to recharge than R-410A units, and transitioning to R-454B can further increase total service cost due to system retrofits, component adjustments, and limited refrigerant availability
• Service Timing
  AC repair costs can rise by up to 40% during the peak summer season, while off-season scheduling in spring or fall may reduce costs, and weekend or holiday service adds a CAD 50-250 surcharge.

Emergency AC repair costs CAD 100-CAD 300 above standard rates, and covers after-hours, weekend, or holiday service. These situations qualify as emergencies because they occur outside normal business hours and often involve urgent system failures that affect comfort or safety.

Costs are driven by surcharges and limited technician availability, with typical premiums ranging from CAD 40 to CAD 80 per hour, or 25-50% above standard service rates. Paying for emergency service is usually worth it when a system fails during extreme heat, risks indoor overheating, or creates water damage, while planning routine maintenance can reduce the need for costly emergency calls.

Repairing an AC compressor costs CAD 800 to CAD 2,300 while replacing costs CAD 1,200 to CAD 3,500, with labour accounting for roughly 40-50% of the total and parts making up the remainder, making it the most expensive component in the system. The compressor is essential for circulating refrigerant and enabling cooling, so a failure often compromises the entire unit, sometimes prompting homeowners to replace the AC.

The following sections provide a closer look at repair and replacement costs, signs of failure, and when replacing the entire system is the better option.

Replacing an AC compressor costs CAD 1,200 to CAD 3,500, depending on the complexity of the installation. The final cost increases as system size grows, since larger units require higher-capacity compressors and more labour for installation. Costs also vary by brand and warranty coverage, as warranty-backed replacements reduce parts costs, while out-of-warranty or premium systems raise the total price. In most cases, both system specifications and labour effort together determine where the repair falls within the overall cost range.

The table below shows the AC compressor replacement cost breakdown:

Replacing the entire AC unit is recommended when the compressor fails, especially if repair costs exceed 50% of a new system’s cost, if the unit is over 10 years old, or to ensure better energy efficiency and avoid repeated breakdowns, which can cost CAD 1,200 to CAD 3,500. For example, if a new system costs CAD 6,000, spending more than CAD 3,000 on compressor repair is usually not cost-effective.

Older units are more prone to repeated breakdowns and reduced efficiency, making replacement the better long-term investment. It is still best to get quotes for both repair and replacement to confirm the most cost-effective option.

AC refrigerant recharge costs range from CAD 250 to CAD 1,000+, depending on the refrigerant type and the amount your system requires. Older or scarce refrigerants like R-22 are more expensive, while modern options such as R-410A and emerging R-454B are more affordable and increasingly available. Recharging without first fixing leaks can waste money and reduce system efficiency, making proper diagnosis an essential step before service.

• R-22 (Freon) Recharge Cost
  Recharging an AC system with R-22 refrigerant costs between CAD 400 and CAD 1,000 or more. The high cost is driven by limited availability, as R-22 has been phased out under EPA regulations. This refrigerant applies to units manufactured before 2010, and the scarcity significantly increases the price compared with newer refrigerants like R-410A or R-454B.
• R-410A Recharge Cost
  Refilling an AC system with R‑410A refrigerant costs about CAD 250 to CAD 900. This refrigerant is the standard for units manufactured from 2010 to the mid‑2020s and is more affordable and more widely available than R‑22, making it the most common choice for modern AC units.
• R-454B Recharge Cost
  The cost to recharge an AC system with R‑454B ranges from CAD 300 to CAD 500 and serves as the emerging replacement for R‑410A. This refrigerant is gradually being phased in for newer AC units, and early adoption keeps prices slightly higher than the more established R‑410A. As R‑454B becomes more widely used, costs are expected to stabilize.

For a quick look at how recharge costs vary by refrigerant, see the table below:

AC refrigerant leak repair costs CAD 200 to CAD 1,500+, depending on leak location, severity, and repair method. Fixing an AC refrigerant leak costs more than a simple recharge because the service includes leak detection, sealing or replacing the damaged line, and then recharging the system. Minor leaks that can be sealed stay in the lower range, while severe leaks that require line replacement or component repair increase the total cost.

Leak repair cost is separate from refrigerant recharge, and both are usually required to restore proper system function. Ignoring the leak and only refilling the refrigerant leads to repeated service calls and higher long-term repair costs, as the AC system will continue to lose refrigerant.

AC service and tune-ups cost CAD 75 to CAD 350 per visit, while annual maintenance or HVAC service contracts can cost up to CAD 500 per year, often covering multiple visits, minor repairs, priority scheduling, and warranty compliance. A tune-up generally includes coil cleaning, refrigerant checks, air filter inspection, electrical connections, thermostat calibration, and drain line flushing to maintain system performance and detect early issues.

• What Does an AC Tune-Up Include?
  An AC tune-up includes coil cleaning, refrigerant level check, air filter inspection, electrical connection check, thermostat calibration, and drain line flushing. These routine checks help HVAC technicians detect early issues and maintain proper system performance.
• Annual Maintenance Plan vs. One-Time Service Call Cost
  One-time AC tune-ups cost CAD 100 to CAD 200, while an annual maintenance plan ranges from CAD 150 to CAD 500 per year and often covers two visits, priority scheduling, and minor repairs. Over multiple visits, the annual plan usually reduces the cost per visit compared with separate service calls.
• HVAC Service Contract Cost
  An HVAC service contract costs CAD 150 to CAD 500 annually and usually includes bi-annual inspections, priority scheduling, and discounted repair services. Some manufacturers require proof of regular maintenance to keep the warranty valid, which makes service contracts a cost-effective option

Local labour, parts supply, travel and access affect repair costs across Canada. City-wide averages are less useful than comparable quotations for the same diagnosed fault. For a Toronto project, obtain an itemized local scope rather than applying another region’s price.

AC repair in Toronto costs CAD 200 to CAD 1,000+, depending on the type and severity of the issue. Higher costs in Toronto are driven by urban labour rates, which range from CAD 100 to CAD 160 per hour, strong summer demand, and the requirement for TSSA-certified HVAC technicians.

Minor repairs, like capacitor or air filter replacements, fall at the lower end, while major component repairs, such as compressor or evaporator coil repairs, push costs toward the upper end. Booking service in spring can help avoid peak-season surcharges and ensure faster availability.

AC repair in Calgary generally costs CAD 100 to CAD 1000+, depending on the type and severity of the issue. Costs are influenced by concentrated seasonal demand during the short but hot summers and local labour rates, which range from CAD 90 to CAD 140 per hour.

Repairs, such as air filter or capacitor replacement, fall at the lower end, while major repairs, like compressor or evaporator coil replacement, increase costs toward the higher end. Scheduling service in the off-season, such as spring or fall, can help reduce costs and improve technician availability.

AC repair in Ottawa costs CAD 200 to CAD 3,000+, depending on the type and severity of the issue. Costs are influenced by Ottawa’s hot, humid summers, which drive higher seasonal demand, and by local labour rates of CAD 85-145 per hour.

Capacitor or air filter replacements fall at the lower end, while major component repairs, such as compressor or evaporator coil repairs, push costs toward the upper end. In high-demand markets like Ottawa, a maintenance contract can provide priority service and help manage repair expenses.

The best ways to reduce AC repair costs are to schedule regular maintenance, replace air filters every 1-3 months, and promptly fix minor issues such as unusual noises or reduced cooling. Booking service in the off-season lowers labour and emergency surcharges, while an annual maintenance plan provides priority service and reduces per-visit costs. Comparing multiple quotes ensures fair pricing from licensed HVAC professionals, and upgrading older or frequently failing units can cut long-term repair expenses while improving energy efficiency.

7 Best Ways to Reduce AC Repair Costs are:

• Schedule Regular MaintenanceRoutine AC tune-ups help HVAC technicians detect minor issues early, such as clogged filters or low refrigerant levels, before they lead to costly major repairs.
• Replace Air Filters RegularlyChanging the air filter every 1-3 months maintains airflow and reduces strain on the AC unit, which lowers the risk of component failure.
• Fix Minor Issues EarlyAddressing small problems, such as unusual noise or reduced cooling performance, prevents them from escalating into expensive repairs, such as compressor failure.
• Book a Service During the Off-SeasonScheduling AC service in spring or fall reduces labour costs and avoids peak-summer pricing and emergency surcharges.
• Use an Annual Maintenance PlanMaintenance plans reduce the cost per visit and include priority service, helping avoid high emergency repair costs.
• Compare Multiple QuotesGetting 2-3 quotes from licensed HVAC professionals ensures accurate pricing and helps identify transparent service providers.
• Upgrade Outdated Systems When NeededReplacing an older AC unit that requires frequent repairs reduces long-term repair costs and improves energy efficiency.

The article’s broad replacement example is CAD $3,000–$10,000+, but system types and installation scopes vary. Confirm equipment, removal, connections, controls, start-up, permits where required and taxes. Compare replacement with the cost and expected benefit of repairing the diagnosed fault.

Replacing a central AC system costs CAD 3,000 to CAD 12,000, depending on unit size, SEER rating, and installation complexity. Equipment accounts for the majority of the cost, while labour, including installation, ductwork modifications, and permit fees (250 to 400), accounts for the remainder. Higher SEER-rated units increase upfront costs but provide long-term energy savings and improved efficiency. Homeowners should consider both installation and permit costs when budgeting for a full central AC replacement.

The cost to replace a mini-split system ranges from CAD 3,000 to CAD 8,000, depending on the number of zones, the brand, and whether it includes inverter technology. Unlike central AC, mini-splits do not require ductwork, which helps offset installation costs. Single-zone units fall at the lower end of the range, while multi-zone systems increase overall cost. Overall, mini-splits are generally more affordable than central AC systems for similar cooling capacity and offer flexible installation options.

Replacing a window AC unit costs CAD 150 to CAD 700, and portable AC units range from CAD 300 to CAD 700. DIY installation of window units lowers labour costs, while portable units require minimal setup. Due to low unit prices, repairs exceeding 50% of the cost are usually uneconomical, making replacement more practical. Minor repairs, such as filter or component replacements, stay under CAD 150, while major fixes approach the threshold at which buying a new unit is recommended.

Installing both a furnace and an AC at the same time costs between CAD 8,000 and CAD 20,000, depending on the system size, efficiency, and installation complexity. Bundling the two saves on labour, ensures matched warranties, and may qualify for Canadian federal or provincial rebates. Installing mismatched systems can reduce efficiency and risk voiding manufacturer warranties. Shared installation also minimizes disruption and overall project time, making combined replacement the most cost-effective and reliable approach for homeowners upgrading both heating and cooling systems.

Deciding whether to repair or replace your AC system depends on the situation, with repairing suitable for minor issues or newer units and replacement recommended if the unit is over 10 years old or repair costs exceed 50% of a new system’s price. Using structured decision tools helps homeowners make informed choices that balance immediate expenses with long-term savings and comfort.

• The CAD 5,000 Rule for AC Repair vs. Replace
  Multiply the unit’s age by the repair cost to estimate whether replacement is more economical. For instance, a 12-year-old AC with a CAD 300 repair totals CAD 3,600, favouring repair, while a 15-year-old unit with a CAD 400 repair totals CAD 6,000, suggesting replacement is the better option.
• Signs It Makes More Sense to Replace Than Repair
  Replacement is recommended if the AC is over 10 years old, repair costs exceed 50% of a new unit’s price, the system requires R-22 refrigerant, the SEER rating falls below current efficiency standards, or frequent breakdowns have occurred in the past two years. Recognizing these signs early can prevent repeated repair expenses.

Request comparable written scopes showing diagnosis, parts, labour, exclusions and warranty. Confirm that the contractor holds the qualifications required for the work involved. A gas qualification alone does not establish every refrigeration, electrical or installation qualification.