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The cost of an air conditioner in Ontario falls between $200 to upwards of $7,000, depending on the type, size, and installation requirements. Central air conditioning tends to cost more ($5,000 to $16,000+), while portable and window units are cheaper ($130 to $1200) but less powerful. Learn more about air conditioner cost, installation, and what to expect for your home cooling needs.
Climate change and global warming have made Ontario summers increasingly hot and humid. In fact, we’re seeing new temperature records almost every year, with longer and more intense heatwaves.
For Ontario residents, having a reliable air conditioning system isn’t just a matter of comfort; it’s a safety non-negotiable. Now here’s the not-so-cool part: air conditioner costs can vary widely. Your home’s size, existing ductwork, and the type of AC you choose all play a role in the actual price.
In this article, we’ll break down the factors that affect air conditioner costs, including typical system prices, installation fees, and running costs to consider.
Air Conditioning System Cost
When getting a new AC system, one of the biggest expenses you’ll face is the cost of the AC unit itself. Prices vary based on the type of system, its cooling capacity, energy efficiency rating (known as SEER), and brand.
Here’s a breakdown of the average cost of air conditioner units by type:
| Average AC Unit Cost | ||
|---|---|---|
| Types of AC | Air Conditioner Price | Best For |
| Central Air Conditioner | $2,500 to $5,000+ | Whole-home cooling with ductwork |
| Ductless Mini-Split | $2,000 to $4,000 | Homes without ducts, zoning specific rooms |
| Portable AC Unit | $300 to $700 | Temporary or small room cooling |
| Window Air Conditioner | $200 to $800 | Single rooms or apartments |
| Evaporative Coolers | $3,000 to $5,000 | Eco-conscious homes |

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How Much Does Air Conditioner Installation Cost?
Air conditioner installation costs an average of $1,000 (excluding other factors like electrical upgrades, unit cost, etc.) However, costs vary significantly based on the AC system type and complexity.
For instance, installing a portable or window air conditioner is relatively easy. Provided your home has appropriate electrical outlets and window space, you may be able to install it yourself or with minimal help. So there’s little to no extra air conditioner cost to consider.
However, a ductless and central air conditioning system is a different story. They have both indoor and outdoor components that must be properly connected and tested for safe and efficient operation. This means they require professional installation.
Evaporative coolers also require a more involved setup. They often need direct access to a water supply and proper ventilation to work effectively.
Depending on your home’s layout, you may also need to factor in electrical upgrades, ductwork modifications, and permits. These extra steps can add significantly to your overall air conditioner installation cost.
Additional Factors Affecting the Cost of Air Conditioner
When getting a new air conditioner, cost considerations also include several behind-the-scenes factors that can double your initial budget estimate. Here’s a look at additional air conditioner costs in Ontario:
| Average Air Conditioner Cost (Installation) | ||
|---|---|---|
| Cost Factor | Potential Cost (Estimated) | Notes |
| Electrical Upgrades | $200 to $1,000+ | Required if your panel can’t handle new AC load. Older homes often need major service upgrades. |
| New Ductwork Install | $35 to $55 per square foot (labour + materials) | Necessary if your home doesn’t already have ductwork or needs a full system replacement. |
| Ductwork Modifications | $5,000 to $15,000+ (for larger homes) | Covers sealing, resizing, or adjusting existing ducts for better airflow and efficiency. |
| Permits | ~$100 (depends on city/municipality and fees required) | Ontario municipalities may require electrical, building, or HVAC permits for heating, ventilation, and air conditioning system installs/upgrades. Check with your local municipality or HVAC provider for specific requirements. |
| Removal of Old AC Unit | ~$100 to $200 | Includes safe removal and disposal of your old system, if replacing an existing unit. Some service providers will pay you to may offer a rebate or pay you per unit when they pick it up. |
| Pro tip: Before investing in a new system, get a professional assessment. Sometimes a repair can extend your current AC’s life by 5-10 years at a fraction of the cost of replacing air conditioner. |
What Does an Air Conditioner Cost to Run?
The cost of running an air conditioner generally falls between $100 to $250 per month. Actual figures will vary based on the electricity rates in your area, your AC system’s energy efficiency, and your family’s usage patterns. In Southern Ontario, time-of-use rates and summer humidity levels often drive up energy use, especially during peak hours.
Proper installation and regular maintenance can help keep your system running efficiently and prevent spikes in your energy bill.

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In Summary
Air conditioner costs in Ontario vary widely depending on the type of unit, home size, installation complexity, and efficiency rating. Here are the key takeaways:
- Unit prices range from $200 to $7,000+, with ductless and central air systems on the higher end.
- Installation costs can add another $1,000 to $10,000+, especially if ductwork or electrical upgrades are needed.
- Running costs typically fall between $100 to $250 per month in summer.
- Home size matters: a 1,500 sq ft home may need a 2-ton unit (cooling capacity), while a 2,000 sq ft home may require 3.5 tons or more.
- Choosing a high-efficiency system and ensuring proper installation can lower long-term costs.
Always consult with a licensed HVAC professional like LG Home Comfort to get an accurate quote tailored to your home’s needs!
Get Professional AC Installation from Licensed Technicians
With how much an air conditioner costs, professional installation isn’t something you want to cut corners on. A licensed HVAC technician ensures your system is installed safely, efficiently, and up to Ontario’s building codes.
As Ontario’s most trusted HVAC company, we take care of everything from installation to repair to maintenance. Our certified technicians are trained to deliver long-term comfort, energy savings, and peace of mind.
Get the performance you paid for with professional installation from LG Home Comfort. Contact us today!
FAQs About Air Conditioner Cost
Prepare to add labour fees and costs for any required upgrades, such as ductwork, electrical work, or permit fees.
If your home already has compatible infrastructure, your replacement may fall on the lower end of the spectrum.
Installation adds $1,000 to $3,000+, depending on complexity.
$7,500 to $15,000+ (unit + installation). You’ll typically need a
2-ton unit ($4,000 to $5,000+), though cost varies based on efficiency, brand, and required home upgrades.
which costs around $4,750 to $6,500+. Total costs, including installation,
range from $9,000 to $18,000+, depending on energy efficiency, ductwork, and electrical upgrades.
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